:root {
  color-scheme: dark;
  --ink: #f6f8fb;
  --muted: #a9b4c3;
  --night: #070b10;
  --night-2: #101924;
  --panel: #ffffff;
  --paper: #f4f7fb;
  --text: #111827;
  --soft: #657184;
  --line: #dce3ec;
  --blue: #2f7bd7;
  --blue-2: #69a8ff;
  --lime: #b8ff4d;
  --green: #168a5b;
  --gold: #f5c451;
  --red: #d95c4f;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  font-family:
    "Bahnschrift", "Segoe UI Variable", "Inter", ui-sans-serif, system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
}

body:not(.is-authenticated):not(.is-admin) .app-nav,
body:not(.is-authenticated) .app-class-header,
body:not(.is-authenticated) .arena-section,
body:not(.is-authenticated) .leaderboard-section,
body:not(.is-admin) .admin-section,
body:not(.is-authenticated) footer {
  display: none;
}

body.is-admin .hero,
body.is-authenticated .hero {
  display: none;
}

body.is-admin .home-tabs,
body.is-authenticated .home-tabs {
  display: none;
}

body.is-authenticated:not(.view-table) .leaderboard-section,
body:not(.view-admin) .admin-section,
body.view-admin .app-class-header,
body.view-admin .arena-section,
body.view-admin .leaderboard-section,
body.is-authenticated.view-table .arena-section {
  display: none;
}

body.is-admin .app-nav {
  display: flex;
}

body.is-admin .app-nav a:not(.admin-nav-link) {
  display: none;
}

body.is-admin .topbar {
  justify-content: flex-end;
}

body:not(.is-admin) .admin-nav-link {
  display: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 12px clamp(18px, 4vw, 58px);
  color: white;
  background: rgba(5, 9, 14, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

body.is-authenticated .topbar {
  justify-content: flex-end;
}

nav {
  display: flex;
  align-items: center;
}

nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: #d7dfeb;
  font-size: 0.95rem;
}

nav a {
  border-radius: 8px;
  padding: 10px 14px;
  color: #cfd8e5;
  font-weight: 950;
}

.app-nav a.is-active {
  background: linear-gradient(135deg, var(--lime), #42d77b);
  color: #07100c;
  box-shadow: 0 10px 24px rgba(184, 255, 77, 0.18);
}

.home-tabs {
  margin-inline: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.08);
}

.home-tabs button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 14px;
  background: transparent;
  color: #d7dfeb;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.home-tabs button.is-active {
  background: linear-gradient(135deg, var(--lime), #42d77b);
  color: #07100c;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  align-items: center;
  justify-items: center;
  padding: 92px clamp(18px, 5vw, 72px) 44px;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 72% 58%, rgba(184, 255, 77, 0.2), transparent 26%),
    linear-gradient(110deg, rgba(4, 8, 13, 0.98) 0%, rgba(7, 11, 16, 0.86) 44%, rgba(7, 11, 16, 0.34) 100%);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 8, 13, 0.98) 0%, rgba(5, 8, 13, 0.72) 42%, rgba(5, 8, 13, 0.2) 100%),
    linear-gradient(0deg, rgba(5, 8, 13, 0.88) 0%, transparent 48%);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.04);
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  width: min(560px, 100%);
  max-width: 760px;
  text-align: center;
}

.hero-logo {
  width: min(520px, 88vw);
  max-height: 250px;
  object-fit: contain;
  object-position: center;
  margin: 0 0 18px;
  border-radius: 8px;
  filter:
    drop-shadow(0 0 18px rgba(47, 123, 215, 0.78))
    drop-shadow(0 0 42px rgba(105, 168, 255, 0.32));
  box-shadow: none;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(3.3rem, 9vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: 0;
  font-family:
    "Arial Black", "Bahnschrift", "Segoe UI Variable Display", Impact,
    sans-serif;
  text-transform: uppercase;
  text-shadow:
    0 0 16px rgba(184, 255, 77, 0.35),
    0 0 44px rgba(47, 123, 215, 0.34);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 20px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.hero-join {
  display: none;
  width: min(430px, 100%);
  gap: 12px;
  margin-top: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 14px;
  background: rgba(8, 13, 20, 0.74);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
}

.hero-join.is-active {
  display: grid;
}

.teacher-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.teacher-count-stepper {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  gap: 8px;
  align-items: center;
  border-radius: 8px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.teacher-count-stepper button {
  width: 44px;
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  background: #111827;
  color: var(--lime);
  font: inherit;
  font-size: 1.15rem;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.teacher-count-stepper input {
  min-height: 46px;
  text-align: center;
  font-weight: 950;
}

.generated-link {
  display: none;
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.08);
  color: #d9e2ef;
  text-align: left;
}

.generated-link:not(:empty) {
  display: grid;
  gap: 6px;
}

.generated-link span {
  color: var(--lime);
  font-weight: 950;
}

.generated-link a {
  color: white;
  overflow-wrap: anywhere;
}

.link-copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.link-copy-row input {
  min-height: 46px;
  font-size: 0.92rem;
}

.qr-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
}

.qr-card img {
  width: 118px;
  height: 118px;
  border-radius: 8px;
  padding: 8px;
  background: white;
}

.qr-card p {
  margin: 0;
  color: #d9e2ef;
  line-height: 1.45;
}

.hero-join label {
  color: #d9e2ef;
  text-align: left;
}

.hero-join input {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.95);
}

.hero-join input[name="classLink"] {
  font-size: 0.92rem;
}

.hero-join .join-message {
  min-height: 20px;
  text-align: center;
}

.avatar-studio {
  display: grid;
  grid-template-columns: minmax(160px, 190px) 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(184, 255, 77, 0.28);
  border-radius: 20px;
  padding: 18px;
  background:
    radial-gradient(circle at 18% 12%, rgba(184, 255, 77, 0.2), transparent 32%),
    radial-gradient(circle at 88% 6%, rgba(84, 168, 255, 0.14), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.045));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.07),
    0 24px 56px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.image-avatar-studio {
  grid-template-columns: minmax(230px, 270px) 1fr;
  border-radius: 26px;
  padding: 22px;
  gap: 20px;
  background:
    radial-gradient(circle at 17% 17%, rgba(184, 255, 77, 0.24), transparent 35%),
    radial-gradient(circle at 86% 9%, rgba(84, 168, 255, 0.2), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
  box-shadow:
    inset 0 0 0 1px rgba(184, 255, 77, 0.22),
    0 34px 74px rgba(0, 0, 0, 0.3);
}

.image-avatar-preview {
  width: 250px;
  height: 250px;
  border-radius: 30px;
  display: grid;
  place-items: end center;
  background:
    radial-gradient(circle at 52% 12%, rgba(255, 255, 255, 0.32), transparent 22%),
    radial-gradient(circle at 18% 82%, rgba(184, 255, 77, 0.32), transparent 38%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.18), rgba(47, 123, 215, 0.18) 42%, rgba(10, 16, 28, 0.98));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    inset 0 -44px 60px rgba(0, 0, 0, 0.18),
    0 0 42px rgba(184, 255, 77, 0.22),
    0 34px 70px rgba(0, 0, 0, 0.38);
}

.image-avatar-preview img {
  width: 128%;
  height: 128%;
  object-fit: contain;
  object-position: center bottom;
  filter:
    drop-shadow(0 26px 28px rgba(0, 0, 0, 0.38))
    drop-shadow(0 0 22px rgba(184, 255, 77, 0.18));
  transform: translateY(18px);
}

.image-avatar-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(94px, 1fr));
  gap: 12px;
}

.image-avatar-grid label {
  display: block;
}

.image-avatar-grid input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.image-avatar-grid b {
  position: relative;
  display: grid;
  min-height: 142px;
  overflow: hidden;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  padding: 0;
  background:
    radial-gradient(circle at 52% 10%, rgba(255, 255, 255, 0.26), transparent 25%),
    radial-gradient(circle at 30% 78%, rgba(184, 255, 77, 0.16), transparent 38%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.065));
  cursor: pointer;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 -28px 34px rgba(0, 0, 0, 0.14),
    0 18px 34px rgba(0, 0, 0, 0.18);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  backdrop-filter: blur(12px);
}

.image-avatar-grid b::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.26), transparent 33%, rgba(184, 255, 77, 0.08));
  opacity: 0.75;
  pointer-events: none;
}

.image-avatar-grid b:hover {
  transform: translateY(-5px) scale(1.045);
  border-color: rgba(184, 255, 77, 0.52);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 -28px 34px rgba(0, 0, 0, 0.12),
    0 20px 40px rgba(0, 0, 0, 0.2),
    0 0 24px rgba(184, 255, 77, 0.14);
}

.image-avatar-grid img {
  position: relative;
  z-index: 1;
  width: 128%;
  height: 136px;
  object-fit: contain;
  object-position: center bottom;
  transform: translateY(12px);
  filter: drop-shadow(0 18px 16px rgba(0, 0, 0, 0.32));
}

.image-avatar-grid small {
  display: none;
}

.image-avatar-grid input:checked + b {
  border-color: rgba(184, 255, 77, 0.96);
  background:
    radial-gradient(circle at 50% 8%, rgba(184, 255, 77, 0.3), transparent 56%),
    linear-gradient(135deg, rgba(184, 255, 77, 0.2), rgba(255, 255, 255, 0.08));
  box-shadow:
    0 0 0 3px rgba(184, 255, 77, 0.13),
    0 0 28px rgba(184, 255, 77, 0.32),
    0 18px 34px rgba(184, 255, 77, 0.15);
}

.image-avatar-grid input:checked + b::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(184, 255, 77, 0.62);
  border-radius: 18px;
  box-shadow:
    inset 0 0 16px rgba(184, 255, 77, 0.1),
    0 0 24px rgba(184, 255, 77, 0.22);
  pointer-events: none;
}

.image-player-avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 15%, rgba(255, 255, 255, 0.22), transparent 28%),
    #111827;
}

.image-player-avatar img {
  width: 116%;
  height: 116%;
  object-fit: contain;
  object-position: center bottom;
  transform: translateY(4px);
}

.image-avatar-studio {
  grid-template-columns: minmax(150px, 180px) 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 16% 20%, rgba(184, 255, 77, 0.22), transparent 34%),
    radial-gradient(circle at 86% 15%, rgba(47, 123, 215, 0.24), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.045));
}

.image-avatar-preview {
  width: 168px;
  height: 168px;
  place-items: center;
  border-radius: 28px;
}

.hero-class-pass {
  border-radius: 8px;
  padding: 11px 12px;
  background: rgba(184, 255, 77, 0.12);
  color: var(--lime);
  font-weight: 900;
}

.hero-join.is-locked {
  opacity: 0.86;
}

.hero-join.is-locked .hero-class-pass {
  background: rgba(255, 255, 255, 0.1);
  color: #d9e2ef;
}

.button.primary {
  background: linear-gradient(135deg, var(--lime), #42d77b);
  color: #07100c;
  box-shadow: 0 16px 34px rgba(184, 255, 77, 0.22);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

section:not(.hero) {
  padding: clamp(44px, 7vw, 86px) clamp(18px, 4vw, 56px);
}

.app-class-header {
  padding: clamp(82px, 9vw, 112px) clamp(18px, 4vw, 56px) 0;
  background: #f8fafc;
}

.app-class-header + .arena-section,
.app-class-header + .arena-section + .leaderboard-section {
  padding-top: clamp(28px, 4vw, 42px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 24px;
}

.section-heading h2,
.points-panel h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(2.1rem, 4.6vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: 0;
  font-family:
    "Arial Black", "Bahnschrift", "Segoe UI Variable Display", Impact,
    sans-serif;
  text-transform: uppercase;
}

.compact h2,
.points-panel h2 {
  font-size: 2.15rem;
}

.join-section {
  background:
    linear-gradient(135deg, rgba(47, 123, 215, 0.1), rgba(184, 255, 77, 0.12)),
    var(--paper);
}

.leaderboard-section {
  background: #e9eef5;
}

.leaderboard-section .eyebrow {
  color: var(--blue);
}

.leaderboard-section .section-heading h2 {
  max-width: none;
  font-family:
    "Bahnschrift", "Segoe UI Variable Display", "Arial Black", sans-serif;
  font-style: italic;
  font-weight: 950;
  text-transform: none;
  letter-spacing: 0;
  color: #111827;
  text-shadow: 0 12px 28px rgba(47, 123, 215, 0.14);
  white-space: nowrap;
}

.join-card,
.panel,
.teacher-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(17, 24, 39, 0.08);
}

.join-card {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 16px;
  max-width: 1040px;
  padding: 22px;
}

.access-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(300px, 1.05fr);
  gap: 18px;
  max-width: 1180px;
}

.access-grid .join-card {
  grid-template-columns: 1fr;
  align-items: stretch;
  max-width: none;
}

.card-title {
  display: grid;
  gap: 6px;
}

.card-title h3,
.panel-toolbar h3,
.live-panel h3,
.points-panel h3,
.class-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.3rem;
}

.mini-label {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.private-link {
  display: none;
  min-height: 74px;
  border: 1px solid rgba(47, 123, 215, 0.28);
  border-radius: 8px;
  padding: 13px;
  background: #eef6ff;
  color: var(--text);
}

.private-link:not(:empty) {
  display: grid;
  gap: 6px;
}

.private-link span,
.class-pass {
  font-weight: 900;
}

.private-link a {
  color: var(--blue);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.student-join-card.is-locked {
  opacity: 0.68;
}

.student-join-card.is-locked input,
.student-join-card.is-locked button {
  pointer-events: none;
}

.class-pass {
  border-radius: 8px;
  padding: 14px;
  background: #111827;
  color: var(--lime);
}

label {
  display: grid;
  gap: 8px;
  color: #344052;
  font-weight: 900;
}

input {
  width: 100%;
  min-height: 50px;
  border: 1px solid #c9d3df;
  border-radius: 8px;
  padding: 0 14px;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  background: white;
}

input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
}

.teacher-panel input[name="studentCount"] {
  text-align: center;
  font-weight: 950;
}

input:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(47, 123, 215, 0.18);
}

.hint,
.join-message {
  grid-column: 1 / -1;
  margin: 0;
}

.hint,
.teacher-grid p,
footer,
.teacher-note p,
.match-date {
  color: var(--soft);
}

.join-message {
  min-height: 24px;
  color: var(--green);
  font-weight: 900;
}

.workspace,
.arena-layout,
.leaderboard-layout {
  display: grid;
}

.workspace {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
  background: #f8fafc;
}

.arena-section {
  background: #f8fafc;
}

.class-hero-card {
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid rgba(184, 255, 77, 0.32);
  border-radius: 8px;
  padding: clamp(20px, 3.2vw, 34px);
  background:
    radial-gradient(circle at 18% 20%, rgba(184, 255, 77, 0.18), transparent 30%),
    linear-gradient(135deg, #09111f, #132033 62%, #102319);
  box-shadow:
    0 24px 58px rgba(17, 24, 39, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.class-hero-card::before {
  content: "";
  position: absolute;
  inset: auto 26px 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--lime), var(--blue), transparent);
  opacity: 0.86;
}

.class-hero-card::after {
  content: none;
}

.class-hero-card h2 {
  position: relative;
  z-index: 1;
  max-width: min(100%, 22ch);
  margin: 0;
  color: white;
  font-size: clamp(2rem, 4.6vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
  text-shadow:
    0 0 26px rgba(184, 255, 77, 0.22),
    0 10px 28px rgba(0, 0, 0, 0.22);
}

.arena-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.arena-head .section-heading {
  margin-bottom: 0;
}

.arena-head .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border-radius: 8px;
  padding: 0 14px;
  background: #111827;
  color: var(--lime);
}

.arena-status {
  border: 1px solid rgba(184, 255, 77, 0.46);
  border-radius: 8px;
  padding: 12px 14px;
  background: #111827;
  color: var(--lime);
  font-weight: 900;
}

.arena-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
}

.side-stack {
  display: grid;
  align-content: start;
  gap: 18px;
}

.panel {
  padding: clamp(18px, 3vw, 28px);
}

.match-list,
.grouped-matches,
.leaderboard,
.points-panel ul {
  display: grid;
  gap: 12px;
}

.panel-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.group-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(112px, 1fr));
  gap: 8px;
  width: 100%;
}

.group-tabs button {
  min-height: 38px;
  border: 1px solid #cfd9e5;
  border-radius: 8px;
  padding: 0 13px;
  background: white;
  color: #344052;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  text-align: center;
}

.group-tabs button.is-active {
  border-color: #111827;
  background: #111827;
  color: var(--lime);
}

.group-title {
  color: #111827;
  font-weight: 950;
  font-size: 1.05rem;
}

.match-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(170px, auto);
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid #dfe6ee;
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #f6f9fc);
}

.match-card.live {
  border-color: rgba(184, 255, 77, 0.75);
  box-shadow: inset 4px 0 0 var(--lime);
}

.match-card.done {
  box-shadow: inset 4px 0 0 var(--blue);
}

.match-main {
  display: grid;
  gap: 12px;
}

.match-meta,
.match-teams,
.pick-box,
.live-row {
  display: flex;
  align-items: center;
}

.sync-note {
  margin: 8px 0 16px;
  color: var(--soft);
  font-size: 0.94rem;
}

.match-meta {
  justify-content: space-between;
  gap: 10px;
  color: var(--soft);
  font-size: 0.9rem;
}

.match-teams {
  gap: 14px;
  font-size: 1.08rem;
}

.match-teams span {
  border-radius: 8px;
  padding: 7px 12px;
  background: #111827;
  color: white;
  font-weight: 950;
}

.match-date {
  font-size: 0.9rem;
}

.status-pill {
  border-radius: 999px;
  padding: 6px 10px;
  background: #e9eef5;
  color: #111827;
  font-size: 0.78rem;
}

.match-card.live .status-pill {
  background: rgba(184, 255, 77, 0.24);
  color: #315000;
}

.pick-box {
  justify-content: flex-end;
  gap: 12px;
}

.pick-box > span {
  color: var(--soft);
  font-size: 0.82rem;
  font-weight: 900;
}

.score-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.score-inputs input {
  width: 60px;
  text-align: center;
  font-weight: 900;
}

.score-inputs input:disabled {
  opacity: 0.7;
  background: #eef2f7;
  cursor: not-allowed;
}

.live-row {
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #dfe6ee;
  border-radius: 8px;
  padding: 13px;
  background: #f8fafc;
}

.live-row div {
  display: grid;
  gap: 4px;
}

.live-row span {
  color: var(--soft);
  font-size: 0.88rem;
}

.live-row b {
  white-space: nowrap;
  color: var(--blue);
  font-size: 1.1rem;
}

.points-panel ul {
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.points-panel li {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(47, 123, 215, 0.16);
  border-radius: 8px;
  padding: 14px;
  background:
    linear-gradient(135deg, #ffffff, #f2f8ff);
  line-height: 1.45;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.05);
}

.points-panel li span {
  display: grid;
  gap: 4px;
  color: #475569;
}

.points-panel li b {
  color: #111827;
  font-size: 1.02rem;
}

.points-panel strong,
.step,
.rank {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: #111827;
  color: var(--lime);
}

.points-panel strong {
  width: 46px;
  height: 46px;
  font-size: 1.2rem;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.14);
}

.teacher-note {
  margin-top: 22px;
  border-left: 4px solid var(--blue);
  padding-left: 14px;
}

.teacher-note:empty {
  display: none;
}

.teacher-note span {
  font-weight: 900;
}

.teacher-note p {
  margin: 6px 0 0;
  line-height: 1.55;
}

.leaderboard {
  max-width: 1060px;
  gap: 18px;
}

.leaderboard-layout {
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.leader-row {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 104px minmax(180px, 1fr) 82px 136px;
  align-items: center;
  gap: 18px;
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: white;
}

.leader-row::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--lime), var(--blue));
  opacity: 0.7;
}

.leaderboard-hype {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 4px;
}

.leaderboard-hype article {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(184, 255, 77, 0.22);
  border-radius: 8px;
  padding: 16px;
  background:
    radial-gradient(circle at 85% 0%, rgba(184, 255, 77, 0.22), transparent 35%),
    linear-gradient(135deg, #111827, #1d2b3f);
  color: white;
  box-shadow: 0 16px 34px rgba(17, 24, 39, 0.14);
}

.leaderboard-hype article:nth-child(1) {
  border-color: rgba(184, 255, 77, 0.34);
  background:
    radial-gradient(circle at 88% 8%, rgba(184, 255, 77, 0.26), transparent 36%),
    linear-gradient(135deg, #111827, #21371f);
}

.leaderboard-hype article:nth-child(2) {
  border-color: rgba(47, 123, 215, 0.38);
  background:
    radial-gradient(circle at 88% 8%, rgba(47, 123, 215, 0.28), transparent 36%),
    linear-gradient(135deg, #111827, #172945);
}

.leaderboard-hype article:nth-child(3) {
  border-color: rgba(243, 189, 62, 0.38);
  background:
    radial-gradient(circle at 88% 8%, rgba(243, 189, 62, 0.24), transparent 36%),
    linear-gradient(135deg, #111827, #3a2a17);
}

.leaderboard-hype span {
  color: var(--lime);
  font-size: 0.75rem;
  font-weight: 950;
  text-transform: uppercase;
}

.leaderboard-hype strong {
  display: block;
  margin-top: 7px;
  font-size: clamp(1.25rem, 2.4vw, 1.9rem);
  line-height: 1;
}

.leaderboard-hype small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 800;
}

.leaderboard-podium {
  display: grid;
  grid-template-columns: 1.46fr 1.02fr 0.74fr;
  align-items: end;
  gap: 12px;
  margin-bottom: 8px;
}

.podium-card {
  position: relative;
  display: grid;
  gap: 8px;
  overflow: hidden;
  min-height: 154px;
  border-radius: 8px;
  padding: 18px;
  color: white;
  background:
    radial-gradient(circle at 25% 0%, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(135deg, #111827, #1c2a3d);
  box-shadow:
    0 24px 54px rgba(17, 24, 39, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.podium-card::before {
  content: "";
  position: absolute;
  inset: 12px 12px auto auto;
  width: 72px;
  height: 72px;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 58%);
  filter: blur(2px);
}

.podium-card::after {
  content: "";
  position: absolute;
  inset: auto -26px -42px;
  height: 94px;
  background: radial-gradient(circle, rgba(184, 255, 77, 0.28), transparent 64%);
}

.podium-1 {
  min-height: 222px;
  background:
    radial-gradient(circle at 28% 10%, rgba(255, 255, 255, 0.24), transparent 34%),
    linear-gradient(135deg, #f3bd3e, #111827 60%, #14251a);
}

.podium-2 {
  min-height: 178px;
  background:
    radial-gradient(circle at 28% 10%, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(135deg, #aeb9c7, #111827 66%);
}

.podium-3 {
  min-height: 106px;
  background:
    radial-gradient(circle at 28% 10%, rgba(255, 255, 255, 0.2), transparent 34%),
    linear-gradient(135deg, #c77d4c, #111827 66%);
}

.podium-rank {
  width: fit-content;
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.16);
  color: white;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.podium-card strong {
  position: relative;
  z-index: 1;
  font-size: clamp(1.35rem, 3vw, 2.35rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.podium-1 strong {
  font-size: clamp(1.75rem, 3.8vw, 3rem);
}

.podium-2 strong {
  font-size: clamp(1.35rem, 2.8vw, 2.35rem);
}

.podium-3 strong {
  font-size: clamp(0.96rem, 1.8vw, 1.42rem);
}

.podium-card b {
  position: relative;
  z-index: 1;
  color: var(--lime);
  font-size: 1.05rem;
}

.podium-card small {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 850;
}

.leaderboard-table {
  display: grid;
  gap: 12px;
}

.leader-player {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.leader-player strong {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 1.12rem;
  overflow-wrap: anywhere;
}

.player-avatar {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 8px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    0 8px 16px rgba(17, 24, 39, 0.1);
}

.leader-player small {
  color: #64748b;
  font-size: 0.82rem;
  font-weight: 850;
}

.leader-points {
  justify-self: end;
  border-radius: 8px;
  padding: 9px 11px;
  background: #eef6ff;
  color: var(--blue);
  font-weight: 900;
}

.leader-row.rank-1,
.leader-row.rank-2,
.leader-row.rank-3 {
  min-height: 82px;
  color: white;
  border: 0;
  box-shadow:
    0 22px 44px rgba(17, 24, 39, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.leader-row.rank-1 {
  background:
    linear-gradient(135deg, rgba(245, 196, 81, 0.98), rgba(25, 32, 43, 0.98)),
    #111827;
}

.leader-row.rank-2 {
  background:
    linear-gradient(135deg, rgba(129, 150, 172, 0.98), rgba(25, 32, 43, 0.98)),
    #111827;
}

.leader-row.rank-3 {
  background:
    linear-gradient(135deg, rgba(197, 122, 67, 0.98), rgba(25, 32, 43, 0.98)),
    #111827;
}

.leader-row.rank-1 .rank,
.leader-row.rank-2 .rank,
.leader-row.rank-3 .rank {
  width: auto;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.16);
  color: white;
}

.leader-row.rank-1 .leader-player strong,
.leader-row.rank-2 .leader-player strong,
.leader-row.rank-3 .leader-player strong {
  font-size: 1.28rem;
}

.leader-row.rank-1 .leader-player small,
.leader-row.rank-2 .leader-player small,
.leader-row.rank-3 .leader-player small {
  color: rgba(255, 255, 255, 0.76);
}

.leader-row.rank-1 .leader-points,
.leader-row.rank-2 .leader-points,
.leader-row.rank-3 .leader-points {
  background: rgba(255, 255, 255, 0.14);
  color: white;
}

.leader-row.current-player {
  border-color: rgba(184, 255, 77, 0.9);
  box-shadow: inset 4px 0 0 var(--lime);
}

.class-card p {
  margin: 12px 0 0;
  color: var(--soft);
  line-height: 1.55;
}

.grouped-matches {
  grid-template-columns: 1fr;
  align-items: start;
}

.group-card {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 249, 252, 0.96)),
    #ffffff;
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.08);
  scroll-margin-top: 96px;
}

.group-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 8px;
  padding: 12px;
  background: #0f172a;
  color: white;
}

.group-card-header > div > span:first-child {
  display: block;
  font-weight: 950;
  text-transform: uppercase;
}

.group-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
}

.group-match-list {
  display: grid;
  gap: 10px;
}

.group-card .match-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 14px;
  overflow: hidden;
  border: 1px solid #dfe6ee;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.99), rgba(247, 250, 252, 0.94)),
    #ffffff;
}

.group-card .match-card.live {
  border-color: rgba(184, 255, 77, 0.88);
  box-shadow: 0 12px 28px rgba(184, 255, 77, 0.14);
}

.group-card .match-card[class*="points-"] {
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.08);
}

.group-card .match-card.done {
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.08);
}

.group-card .match-card.locked {
  border-color: rgba(217, 92, 79, 0.6);
}

.match-lock-message {
  margin: 14px auto 0;
  max-width: max-content;
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(217, 92, 79, 0.12);
  color: #9d2f28;
  font-weight: 900;
  opacity: 0.88;
  box-shadow: inset 0 0 0 1px rgba(217, 92, 79, 0.22);
}

.match-lock-message.is-visible {
  animation: lockPulse 0.45s ease both;
}

@keyframes lockPulse {
  0% {
    transform: scale(0.96);
  }
  55% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}

.group-card .match-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  color: var(--soft);
  font-size: 0.82rem;
}

.match-kickoff {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.match-kickoff strong,
.group-card .match-meta strong {
  color: #111827;
}

.group-card .match-meta em {
  justify-self: end;
  border-radius: 999px;
  padding: 5px 9px;
  background: #e9eef5;
  color: #111827;
  font-style: normal;
  font-weight: 900;
}

.group-card .match-card.live .match-meta em {
  background: rgba(184, 255, 77, 0.22);
  color: #315000;
}

.match-countdown {
  display: grid;
  align-items: center;
  justify-self: center;
  justify-items: center;
  gap: 6px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 8px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.78);
  color: #344052;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.055);
}

.match-countdown > span {
  color: #64748b;
  font-size: 0.64rem;
  font-weight: 950;
  text-transform: uppercase;
}

.match-countdown > div {
  display: flex;
  gap: 5px;
  justify-content: center;
}

.match-countdown b {
  display: grid;
  min-width: 40px;
  border-radius: 8px;
  padding: 4px 5px;
  background: #111827;
  color: var(--lime);
  font-size: 0.88rem;
  line-height: 1;
  text-align: center;
}

.match-countdown small {
  margin-top: 3px;
  color: #d7dfeb;
  font-size: 0.5rem;
  font-weight: 900;
}

.scoreline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.team {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.team.away {
  justify-content: flex-end;
  text-align: right;
}

.flag {
  display: inline-flex;
  min-width: 64px;
  height: 42px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #eef4fb);
  box-shadow:
    inset 0 0 0 1px rgba(17, 24, 39, 0.12),
    0 8px 16px rgba(17, 24, 39, 0.08);
  overflow: hidden;
}

.flag img {
  width: 30px;
  height: 22px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(17, 24, 39, 0.12);
}

.flag small {
  color: #111827;
  font-size: 0.62rem;
  font-weight: 950;
}

.flag.mini {
  display: inline-flex;
  width: 48px;
  min-width: 48px;
  height: 36px;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.flag.mini img {
  width: 34px;
  height: 24px;
  display: block;
  margin: 0 auto;
  object-position: center;
}

.team strong {
  overflow: hidden;
  color: #111827;
  font-size: 0.96rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.match-score {
  min-width: 68px;
  border-radius: 8px;
  padding: 9px 10px;
  background: #111827;
  color: white;
  font-weight: 950;
  text-align: center;
}

.pick-line {
  display: grid;
  position: relative;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(184, 255, 77, 0.34);
  border-radius: 8px;
  padding: 14px;
  background:
    linear-gradient(135deg, rgba(184, 255, 77, 0.12), rgba(47, 123, 215, 0.08)),
    rgba(248, 255, 244, 0.88);
  color: #244118;
  font-size: 0.92rem;
}

.pick-line > strong {
  position: static;
  justify-self: center;
  border-radius: 8px;
  padding: 9px 14px;
  background: #111827;
  color: var(--lime);
  font-size: 0.98rem;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.12);
}

.pick-line > span {
  grid-column: 1 / -1;
  color: #244118;
  font-weight: 950;
  text-align: center;
  text-transform: uppercase;
}

.pick-line .score-inputs {
  display: grid;
  grid-template-columns: 34px 76px 34px auto 34px 76px 34px;
  align-items: center;
  gap: 7px;
  border-radius: 8px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow:
    inset 0 0 0 1px rgba(17, 24, 39, 0.06),
    0 12px 26px rgba(17, 24, 39, 0.06);
  justify-content: center;
  justify-self: center;
}

.pick-line .score-inputs + strong {
  margin-top: -2px;
}

.pick-line .score-inputs input {
  width: 76px;
  min-height: 54px;
  border: 1px solid rgba(22, 138, 91, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: #111827;
  font-size: 1.22rem;
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.06);
}

.pick-line .score-inputs b {
  color: #111827;
  font-size: 1.35rem;
}

.score-step {
  width: 34px;
  height: 38px;
  border: 0;
  border-radius: 8px;
  background: #111827;
  color: var(--lime);
  font: inherit;
  font-size: 1.05rem;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.12);
}

.score-step:hover {
  background: #1b2638;
}

.score-step:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.bravo-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.18);
  color: white;
  font-weight: 950;
  letter-spacing: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.admin-section {
  min-height: 100svh;
  padding: clamp(92px, 10vw, 122px) clamp(18px, 4vw, 56px) clamp(44px, 7vw, 86px);
  background:
    radial-gradient(circle at 86% 8%, rgba(184, 255, 77, 0.18), transparent 32%),
    #f8fafc;
}

.admin-shell {
  max-width: 1160px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.admin-stats article,
.admin-room {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 8px;
  background: white;
  box-shadow: 0 16px 38px rgba(17, 24, 39, 0.08);
}

.admin-stats article {
  padding: 18px;
}

.admin-stats span,
.admin-room span {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.admin-stats strong {
  display: block;
  margin-top: 8px;
  color: #111827;
  font-size: 2rem;
}

.admin-stats small,
.admin-room small {
  color: #64748b;
  font-weight: 850;
}

.admin-rooms {
  display: grid;
  gap: 12px;
}

.admin-room {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(180px, 260px) auto;
  align-items: center;
  gap: 18px;
  padding: 16px;
}

.admin-room strong {
  display: block;
  margin: 5px 0;
  color: #111827;
  font-size: 1.25rem;
}

.room-meter {
  display: grid;
  gap: 8px;
}

.room-meter span {
  color: #111827;
  font-size: 0.95rem;
}

.room-meter b {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--lime) var(--room-fill), #e2e8f0 var(--room-fill));
}

.admin-room a {
  border-radius: 8px;
  padding: 11px 13px;
  background: #111827;
  color: var(--lime);
  font-weight: 950;
  white-space: nowrap;
}

.group-card .match-card.points-3::before,
.group-card .match-card.points-3::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.group-card .match-card.points-3::before {
  background:
    radial-gradient(circle at 14% 18%, #f5c451 0 4px, transparent 5px),
    radial-gradient(circle at 26% 72%, #b8ff4d 0 4px, transparent 5px),
    radial-gradient(circle at 74% 20%, #69a8ff 0 4px, transparent 5px),
    radial-gradient(circle at 88% 68%, #ffffff 0 3px, transparent 4px),
    radial-gradient(circle at 58% 84%, #f5c451 0 3px, transparent 4px);
  opacity: 0.48;
}

.group-card .match-card.points-3::after {
  border-radius: 8px;
  box-shadow: inset 0 0 46px rgba(184, 255, 77, 0.18);
}

.group-card .match-card.points-0 {
  border: 4px solid rgba(217, 92, 79, 0.72);
  background:
    linear-gradient(135deg, rgba(255, 246, 245, 0.98), rgba(255, 236, 233, 0.92)),
    #fff6f5;
}

.group-card .match-card.points-1 {
  border: 4px solid rgba(190, 204, 62, 0.74);
  background:
    linear-gradient(135deg, rgba(255, 252, 232, 0.98), rgba(235, 255, 211, 0.9)),
    #fffce8;
}

.group-card .match-card.points-2 {
  border: 4px solid rgba(75, 210, 116, 0.76);
  background:
    linear-gradient(135deg, rgba(239, 255, 241, 0.98), rgba(219, 255, 226, 0.92)),
    #effff1;
}

.group-card .match-card.points-3 {
  border: 4px solid rgba(11, 104, 70, 0.95);
  background:
    linear-gradient(135deg, rgba(22, 138, 91, 0.94), rgba(14, 77, 59, 0.94)),
    #168a5b;
  color: white;
}

.group-card .match-card.points-3 .team strong,
.group-card .match-card.points-3 .match-meta,
.group-card .match-card.points-3 .match-meta strong,
.group-card .match-card.points-3 .pick-line > span,
.group-card .match-card.points-3 .pick-line .score-inputs b {
  color: white;
}

.group-card .match-card.points-3 .pick-line {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
}

.move {
  justify-self: center;
  border-radius: 999px;
  min-width: 62px;
  padding: 7px 10px;
  font-weight: 950;
  text-align: center;
  white-space: nowrap;
}

.move.up {
  background: rgba(22, 138, 91, 0.12);
  color: #14724d;
}

.move.down {
  background: rgba(217, 92, 79, 0.12);
  color: #b74237;
}

.move.same {
  background: #eef2f7;
  color: #64748b;
}

.leader-row:not(.rank-1):not(.rank-2):not(.rank-3) {
  border-color: rgba(47, 123, 215, 0.14);
  background:
    linear-gradient(135deg, #ffffff, #f8fbff);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

.leader-row:not(.rank-1):not(.rank-2):not(.rank-3) .rank {
  width: auto;
  padding: 0 12px;
  background: #eef2f7;
  color: #334155;
}

.leader-row:not(.rank-1):not(.rank-2):not(.rank-3) span:last-child {
  justify-self: end;
  border-radius: 8px;
  padding: 8px 10px;
  background: #eef6ff;
}

.teacher-section {
  background: white;
}

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.teacher-grid article {
  min-height: 196px;
  padding: 20px;
}

.teacher-grid h3 {
  margin: 18px 0 8px;
}

.teacher-grid p {
  margin: 0;
  line-height: 1.55;
}

footer {
  padding: 26px clamp(18px, 4vw, 56px) 44px;
  background: #070b10;
}

footer p {
  margin: 0;
  color: #a9b4c3;
}

@media (max-width: 900px) {
  .topbar {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 154px;
  }

  h1 {
    max-width: 9ch;
  }

  .workspace,
  .access-grid,
  .arena-layout,
  .leaderboard-layout,
  .join-card,
  .admin-stats,
  .admin-room,
  .teacher-grid {
    grid-template-columns: 1fr;
  }

  .join-card {
    align-items: stretch;
  }

  .arena-head,
  .panel-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .group-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

}

@media (max-width: 560px) {
  .brand img {
    width: 112px;
    height: 44px;
  }

  .home-tabs {
    display: none;
  }

  body:not(.is-authenticated) .home-tabs {
    display: flex;
    width: min(100%, 360px);
    justify-content: center;
  }

  .hero-logo {
    width: min(330px, 88vw);
  }

  .hero-actions .button,
  .join-card .button {
    width: 100%;
  }

  .match-card,
  .leader-row {
    grid-template-columns: 1fr;
  }

  .leaderboard-hype {
    grid-template-columns: 1fr;
  }

  .leaderboard-podium {
    grid-template-columns: 1fr;
  }

  .podium-card,
  .podium-1 {
    min-height: 132px;
    transform: none;
  }

  .group-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .match-countdown {
    transform: none;
  }

  .grouped-matches {
    grid-template-columns: 1fr;
  }

  .scoreline {
    grid-template-columns: 1fr;
  }

  .team,
  .team.away {
    justify-content: flex-start;
    text-align: left;
  }

  .match-score {
    width: 100%;
  }

  .pick-line {
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .teacher-form-grid {
    grid-template-columns: 1fr;
  }

  .avatar-studio {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .avatar-controls {
    width: 100%;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .image-avatar-preview {
    width: min(250px, 78vw);
    height: min(250px, 78vw);
  }

  .link-copy-row,
  .qr-card {
    grid-template-columns: 1fr;
  }

  .score-inputs input {
    width: 64px;
  }

  .pick-line .score-inputs {
    grid-template-columns: 30px 58px 30px auto 30px 58px 30px;
    gap: 5px;
    padding: 6px;
  }

  .score-step {
    width: 30px;
    height: 34px;
  }
}

/* Permanent classroom and teacher management. */
.teacher-manage {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.teacher-manage h3 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 1.15rem;
}

.teacher-manage .button {
  margin-top: 12px;
  width: 100%;
}

.generated-link,
.teacher-overview {
  display: block;
  width: 100%;
}

.teacher-room-card {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(184, 255, 77, 0.35);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(32, 51, 38, 0.96), rgba(10, 19, 31, 0.96));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3), 0 0 24px rgba(184, 255, 77, 0.1);
}

.teacher-room-head span,
.teacher-code-grid small {
  color: #b8ff4d;
  font-weight: 800;
  text-transform: uppercase;
}

.teacher-room-head h3 {
  margin: 5px 0 0;
  color: #fff;
}

.teacher-code-grid,
.teacher-action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.teacher-code-grid div {
  display: grid;
  gap: 5px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.teacher-code-grid strong {
  color: #fff;
  overflow-wrap: anywhere;
}

.teacher-action-grid .button {
  display: grid;
  place-items: center;
  min-height: 58px;
  margin: 0;
  text-align: center;
  text-decoration: none;
}

.qr-card.is-hidden {
  display: none;
}

.teacher-students {
  display: grid;
  gap: 8px;
}

.teacher-students h4 {
  margin: 0 0 4px;
  color: #fff;
}

.teacher-students > div {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.teacher-students .image-player-avatar {
  width: 44px;
  height: 44px;
}

.teacher-feedback {
  color: #b8ff4d;
  font-weight: 800;
}

.teacher-feedback.is-error {
  color: #ff8278;
}

@media (max-width: 620px) {
  .teacher-code-grid,
  .teacher-action-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  body * {
    visibility: hidden;
  }

  .qr-card,
  .qr-card * {
    visibility: visible;
  }

  .qr-card {
    position: fixed;
    inset: 30px;
    display: grid !important;
    place-items: center;
    background: #fff;
    color: #111;
  }
}

/* Final compact mascot picker overrides. Keep this after responsive rules. */
.image-avatar-studio {
  grid-template-columns: minmax(150px, 180px) 1fr;
}

.image-avatar-preview {
  width: 168px;
  height: 168px;
  min-height: 0;
}

.image-avatar-grid {
  grid-template-columns: repeat(auto-fit, minmax(76px, 1fr));
}

.image-avatar-grid b {
  min-height: 86px;
}

@media (max-width: 560px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 150px;
    height: 150px;
    justify-self: center;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Final visual polish: aligned podium, compact logo, cleaner avatar and teacher layout. */
.hero-copy {
  padding-top: clamp(18px, 3.5vw, 34px);
}

.hero-logo {
  width: min(64vw, 420px);
  max-height: 330px;
  object-fit: contain;
  margin-top: clamp(8px, 1.5vw, 18px);
}

.hero-join {
  overflow: visible;
}

.image-avatar-studio {
  width: 100%;
  grid-template-columns: minmax(132px, 152px) minmax(0, 1fr);
  align-items: center;
  margin-top: 18px;
  padding: 18px 20px;
}

.avatar-controls {
  align-items: start;
}

.avatar-controls > span {
  align-self: start;
  margin: 0 0 12px;
  transform: none;
}

.image-avatar-preview {
  justify-self: start;
}

.image-avatar-grid {
  grid-template-columns: repeat(4, minmax(76px, 88px));
  justify-content: start;
}

.teacher-panel {
  max-width: 720px;
}

.teacher-form-grid {
  width: min(100%, 500px);
  grid-template-columns: minmax(150px, 190px) minmax(210px, 250px);
  justify-content: start;
  margin-inline: 0 auto;
}

.teacher-count-stepper {
  grid-template-columns: 44px minmax(84px, 1fr) 44px;
  gap: 7px;
  padding: 5px;
}

.teacher-count-stepper button {
  width: 44px;
  min-height: 50px;
}

.teacher-count-stepper input,
.teacher-form-grid input[name="className"] {
  min-height: 50px;
}

.leaderboard-podium {
  grid-template-columns: minmax(360px, 1.28fr) minmax(300px, 0.9fr) minmax(230px, 0.68fr);
  align-items: end;
  gap: 24px;
  margin-bottom: 44px;
}

.podium-card {
  align-self: end;
}

.podium-1 {
  min-height: 250px;
  text-align: center;
  justify-items: center;
  align-content: center;
  padding: 24px 28px;
  transform: none;
}

.podium-2 {
  min-height: 196px;
  transform: none;
}

.podium-3 {
  min-height: 150px;
  max-height: none;
  padding: 18px;
  gap: 7px;
  transform: none;
}

.podium-1 .podium-rank {
  margin-inline: auto;
}

.podium-1 strong {
  justify-content: center;
  text-align: center;
}

.podium-1 small {
  max-width: 92%;
  text-align: center;
}

.podium-3 strong {
  font-size: clamp(1.05rem, 1.7vw, 1.45rem);
}

.podium-3 .image-player-avatar {
  width: 52px;
  height: 52px;
}

.podium-3 b {
  font-size: 1rem;
}

.podium-3 small {
  display: block;
  font-size: 0.82rem;
}

@media (max-width: 1180px) {
  .leaderboard-podium {
    grid-template-columns: 1fr;
    margin-bottom: 20px;
  }

  .podium-1,
  .podium-2,
  .podium-3 {
    min-height: 150px;
    text-align: left;
    justify-items: start;
  }

  .podium-1 strong {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .hero-logo {
    width: min(78vw, 330px);
    max-height: 250px;
  }

  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    justify-self: center;
  }

  .avatar-controls > span {
    align-self: center;
  }

  .image-avatar-grid {
    justify-content: center;
  }

  .teacher-form-grid {
    width: min(100%, 420px);
    grid-template-columns: 1fr;
  }
}

/* Final teacher layout and arena avatar placement. */
.teacher-panel {
  max-width: 680px;
}

.teacher-form-grid {
  width: min(100%, 560px);
  margin-inline: auto;
  grid-template-columns: minmax(170px, 220px) minmax(250px, 300px);
  justify-content: center;
  align-items: end;
  gap: 14px;
}

.teacher-form-grid input[name="className"] {
  min-height: 58px;
}

.teacher-count-stepper {
  grid-template-columns: 48px 1fr 48px;
  min-width: 0;
  border-radius: 16px;
  padding: 6px;
}

.teacher-count-stepper button {
  width: 48px;
  min-height: 54px;
  border-radius: 14px;
}

.teacher-count-stepper input {
  min-height: 54px;
  border-radius: 14px;
}

.class-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.class-hero-card h2 {
  max-width: none;
}

.arena-player-card {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
  border: 1px solid rgba(184, 255, 77, 0.28);
  border-radius: 18px;
  padding: 8px 12px 8px 8px;
  background:
    radial-gradient(circle at 18% 20%, rgba(184, 255, 77, 0.18), transparent 36%),
    rgba(7, 12, 20, 0.66);
  color: #eff7ff;
  font-weight: 950;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.07),
    0 14px 28px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
}

.arena-player-card .image-player-avatar {
  width: 44px;
  height: 44px;
  border-radius: 14px;
}

.arena-player-card span:not(.image-player-avatar) {
  white-space: nowrap;
}

@media (max-width: 760px) {
  .teacher-form-grid {
    width: min(100%, 430px);
    grid-template-columns: 1fr;
  }

  .class-hero-card {
    grid-template-columns: 1fr;
  }

  .arena-player-card {
    justify-self: start;
  }
}

/* Final surface polish for tabs, teacher form and avatars. */
.home-tabs {
  width: fit-content;
  max-width: calc(100vw - 28px);
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.12), transparent 40%),
    rgba(12, 18, 28, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 16px 34px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.home-tabs button {
  min-width: 152px;
  min-height: 54px;
  border-radius: 16px;
  padding: 0 22px;
  color: #cfd8e5;
  letter-spacing: 0;
  transition: transform 160ms ease, color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.home-tabs button:hover {
  transform: translateY(-1px);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.home-tabs button.is-active {
  background:
    linear-gradient(135deg, rgba(184, 255, 77, 0.98), rgba(63, 216, 122, 0.98));
  color: #07100c;
  box-shadow:
    0 0 0 1px rgba(184, 255, 77, 0.22),
    0 14px 28px rgba(71, 222, 126, 0.28);
}

.teacher-panel {
  max-width: 760px;
}

.teacher-form-grid {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.92fr);
  gap: 16px;
  align-items: end;
}

.teacher-form-grid label {
  min-width: 0;
}

.teacher-form-grid input {
  width: 100%;
}

.teacher-count-stepper {
  grid-template-columns: 54px minmax(90px, 1fr) 54px;
  gap: 8px;
  border-radius: 18px;
  padding: 7px;
}

.teacher-count-stepper button {
  width: 54px;
  min-height: 58px;
  border-radius: 15px;
}

.teacher-count-stepper input {
  min-height: 58px;
  border-radius: 15px;
}

.image-avatar-studio {
  grid-template-columns: 104px 1fr;
  gap: 14px;
  padding: 12px;
}

.image-avatar-preview {
  width: 104px;
  height: 104px;
}

.image-avatar-preview img {
  width: 124%;
  height: 124%;
  object-fit: cover;
  object-position: center 34%;
  transform: translate(-9%, -4%);
}

.image-avatar-grid {
  grid-template-columns: repeat(4, 62px);
  gap: 8px;
}

.image-avatar-grid b {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.22), transparent 28%),
    radial-gradient(circle at 68% 68%, rgba(184, 255, 77, 0.16), transparent 34%),
    linear-gradient(145deg, rgba(14, 22, 34, 0.62), rgba(24, 36, 52, 0.92));
}

.image-avatar-grid img {
  width: 128%;
  height: 128%;
  object-fit: cover;
  object-position: center 34%;
  transform: translate(-11%, -5%);
}

#arenaStatus {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

#arenaStatus .image-player-avatar {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  box-shadow:
    0 0 0 1px rgba(184, 255, 77, 0.32),
    0 0 18px rgba(184, 255, 77, 0.18);
}

.podium-card strong,
.leaderboard-table strong {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.podium-card .image-player-avatar {
  width: 42px;
  height: 42px;
  border-radius: 14px;
}

@media (max-width: 760px) {
  .teacher-form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .home-tabs {
    width: auto;
  }

  .home-tabs button {
    min-width: 0;
    flex: 1;
    padding-inline: 14px;
  }

  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 102px;
    height: 102px;
    justify-self: center;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, 58px);
    justify-content: center;
  }

  .image-avatar-grid b {
    width: 58px;
    height: 58px;
  }
}

/* Real image avatar picker. Uses only uploaded image files, no drawn avatars. */
.image-avatar-studio {
  grid-template-columns: 142px 1fr;
  gap: 18px;
  padding: 16px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 18% 18%, rgba(184, 255, 77, 0.2), transparent 34%),
    radial-gradient(circle at 84% 20%, rgba(47, 123, 215, 0.22), transparent 36%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.045));
}

.image-avatar-preview {
  width: 142px;
  height: 142px;
  min-height: 0;
  overflow: hidden;
  place-items: center;
  border-radius: 24px;
}

.image-avatar-preview img {
  width: 124%;
  height: 124%;
  object-fit: contain;
  object-position: center bottom;
  transform: translateY(8px);
  filter:
    drop-shadow(0 18px 20px rgba(0, 0, 0, 0.34))
    drop-shadow(0 0 18px rgba(184, 255, 77, 0.16));
}

.image-avatar-grid {
  grid-template-columns: repeat(auto-fit, minmax(78px, 92px));
  justify-content: start;
  gap: 10px;
}

.image-avatar-grid b {
  min-height: 86px;
  border-radius: 18px;
  padding: 0;
  place-items: center;
}

.image-avatar-grid b::before {
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.28), transparent 38%, rgba(184, 255, 77, 0.08));
}

.image-avatar-grid img {
  position: relative;
  z-index: 1;
  width: 112%;
  height: 92px;
  object-fit: contain;
  object-position: center bottom;
  transform: translateY(9px);
  filter: drop-shadow(0 12px 10px rgba(0, 0, 0, 0.28));
}

.image-player-avatar img {
  width: 122%;
  height: 122%;
  object-fit: contain;
  object-position: center bottom;
  transform: translateY(6px);
}

@media (max-width: 560px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 136px;
    height: 136px;
    justify-self: center;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(3, minmax(76px, 1fr));
    justify-content: center;
  }
}

/* Deploy polish v52: exact alignment for teacher form, avatar picker and real-only table. */
.hero-logo {
  width: min(62vw, 390px);
  max-height: 300px;
}

.image-avatar-studio {
  display: grid;
  grid-template-columns: 156px minmax(0, 1fr);
  grid-template-areas:
    "label label"
    "preview controls";
  align-items: start;
  gap: 12px 18px;
  margin-top: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.avatar-field-label {
  grid-area: label;
  color: #d9e2ef;
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  font-weight: 950;
  line-height: 1.1;
}

.image-avatar-preview {
  grid-area: preview;
  justify-self: start;
  width: 150px;
  height: 150px;
  border-radius: 30px;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.2),
    0 0 0 1px rgba(184, 255, 77, 0.18),
    0 24px 44px rgba(0, 0, 0, 0.28);
}

.avatar-controls {
  grid-area: controls;
  align-self: start;
}

.avatar-controls > span {
  display: none;
}

.image-avatar-grid {
  grid-template-columns: repeat(4, 82px);
  gap: 10px;
  justify-content: start;
}

.teacher-form-grid {
  width: min(100%, 600px);
  grid-template-columns: minmax(180px, 220px) minmax(220px, 260px);
  align-items: end;
  justify-content: start;
  gap: 18px;
  margin-inline: 0 auto;
}

.teacher-form-grid label {
  display: grid;
  align-content: end;
  gap: 12px;
}

.teacher-form-grid input[name="className"] {
  height: 72px;
  min-height: 72px;
  border-radius: 18px;
}

.teacher-count-stepper {
  width: 100%;
  height: 72px;
  grid-template-columns: 48px minmax(84px, 1fr) 48px;
  align-items: stretch;
  gap: 7px;
  padding: 6px;
  border-radius: 18px;
}

.teacher-count-stepper button {
  width: 48px;
  min-height: 0;
  height: 60px;
  align-self: center;
  border-radius: 16px;
  font-size: 1.25rem;
}

.teacher-count-stepper input {
  height: 60px;
  min-height: 0;
  align-self: center;
  border-radius: 16px;
  font-size: 1.15rem;
}

.leaderboard-podium {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
  margin-bottom: 28px;
}

.podium-card,
.podium-1,
.podium-2,
.podium-3 {
  min-height: 238px;
  max-height: none;
  transform: none;
  align-self: start;
  padding: 22px;
  gap: 12px;
}

.podium-1 {
  justify-items: center;
  text-align: center;
  align-content: center;
}

.podium-1 .podium-rank {
  margin-inline: auto;
}

.podium-1 strong {
  justify-content: center;
  text-align: center;
  width: 100%;
}

.podium-1 b,
.podium-1 small {
  justify-self: center;
  text-align: center;
}

.podium-2 strong,
.podium-3 strong {
  font-size: clamp(1.35rem, 2.4vw, 2.05rem);
}

.podium-3 .image-player-avatar {
  width: 60px;
  height: 60px;
}

.podium-3 small {
  display: block;
}

.leaderboard-empty {
  display: grid;
  gap: 10px;
  border: 1px solid rgba(47, 123, 215, 0.18);
  border-radius: 18px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 42px rgba(17, 24, 39, 0.08);
}

.leaderboard-empty strong {
  color: var(--text);
  font-size: 1.5rem;
}

.leaderboard-empty span {
  color: var(--soft);
  font-weight: 800;
}

@media (max-width: 1180px) {
  .leaderboard-podium {
    grid-template-columns: 1fr;
  }

  .podium-card,
  .podium-1,
  .podium-2,
  .podium-3 {
    min-height: 160px;
    text-align: left;
    justify-items: start;
    align-content: start;
  }

  .podium-1 strong,
  .podium-1 b,
  .podium-1 small {
    justify-content: flex-start;
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .image-avatar-studio,
  .teacher-form-grid {
    grid-template-columns: 1fr;
  }

  .image-avatar-studio {
    grid-template-areas:
      "label"
      "preview"
      "controls";
  }

  .image-avatar-preview {
    justify-self: start;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, minmax(66px, 1fr));
  }
}

/* Deploy polish v53: random avatar tile, premium preview and champion text placement. */
.image-avatar-studio {
  grid-template-columns: 178px minmax(0, 1fr);
  gap: 14px 20px;
}

.image-avatar-preview {
  width: 176px;
  height: 176px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 44% 8%, rgba(255, 255, 255, 0.34), transparent 24%),
    radial-gradient(circle at 12% 12%, rgba(184, 255, 77, 0.38), transparent 38%),
    radial-gradient(circle at 90% 88%, rgba(47, 123, 215, 0.36), transparent 42%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.18), rgba(12, 25, 43, 0.98));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    inset 0 -28px 48px rgba(0, 0, 0, 0.24),
    0 0 0 1px rgba(184, 255, 77, 0.32),
    0 0 42px rgba(184, 255, 77, 0.2),
    0 28px 58px rgba(0, 0, 0, 0.34);
}

.image-avatar-grid {
  grid-template-columns: repeat(3, 82px);
  align-items: start;
}

.random-avatar-tile {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.random-avatar-tile b {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(184, 255, 77, 0.45);
  border-radius: 22px;
  background:
    radial-gradient(circle at 36% 18%, rgba(255, 255, 255, 0.28), transparent 28%),
    radial-gradient(circle at 78% 78%, rgba(184, 255, 77, 0.3), transparent 38%),
    linear-gradient(145deg, rgba(47, 123, 215, 0.22), rgba(10, 16, 28, 0.92));
  color: var(--lime);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 18px 34px rgba(0, 0, 0, 0.2),
    0 0 22px rgba(184, 255, 77, 0.16);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.random-avatar-tile b::before {
  content: "?";
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 2px;
  border-radius: 999px;
  background: rgba(184, 255, 77, 0.14);
  color: white;
  font-size: 1.7rem;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(184, 255, 77, 0.34);
}

.random-avatar-tile small {
  display: none;
}

.random-avatar-tile:hover b {
  transform: translateY(-5px) scale(1.045);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    0 22px 42px rgba(0, 0, 0, 0.25),
    0 0 32px rgba(184, 255, 77, 0.26);
}

.podium-1 {
  grid-template-rows: auto minmax(72px, 1fr) auto minmax(54px, auto);
  align-content: stretch;
}

.podium-1 strong {
  align-self: center;
}

.podium-1 b {
  align-self: end;
}

.podium-1 small {
  align-self: end;
  margin-top: 18px;
  padding-top: 18px;
  width: min(92%, 520px);
}

@media (max-width: 760px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 154px;
    height: 154px;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(3, minmax(70px, 86px));
  }
}

/* Deploy polish v54: premium random avatar action and stronger avatar stage. */
.image-avatar-studio {
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 16px 22px;
}

.image-avatar-preview {
  isolation: isolate;
  width: 190px;
  height: 190px;
  border-radius: 38px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 18%, rgba(255, 255, 255, 0.08) 32%, transparent 52%),
    radial-gradient(circle at 42% 8%, rgba(255, 255, 255, 0.42), transparent 24%),
    radial-gradient(circle at 18% 18%, rgba(184, 255, 77, 0.5), transparent 44%),
    radial-gradient(circle at 84% 82%, rgba(47, 123, 215, 0.5), transparent 42%),
    linear-gradient(145deg, rgba(15, 32, 26, 0.94), rgba(10, 16, 28, 0.98));
  box-shadow:
    inset 0 0 0 1px rgba(184, 255, 77, 0.18),
    inset 0 -34px 64px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(184, 255, 77, 0.35),
    0 0 34px rgba(184, 255, 77, 0.24),
    0 34px 70px rgba(0, 0, 0, 0.4);
}

.image-avatar-preview::before {
  opacity: 0.95;
}

.image-avatar-preview::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: auto 22px 12px;
  height: 20px;
  border-radius: 999px;
  background: radial-gradient(ellipse, rgba(184, 255, 77, 0.35), transparent 70%);
  filter: blur(8px);
}

.image-avatar-preview img {
  z-index: 1;
  transform: scale(1.03);
}

.image-avatar-grid {
  grid-template-columns: repeat(3, 86px);
  gap: 11px;
}

.random-avatar-tile {
  appearance: none;
  display: block;
  width: 86px;
  aspect-ratio: 1;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.random-avatar-tile b {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  border-radius: 24px;
  border: 1px solid rgba(184, 255, 77, 0.62);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 26%, rgba(255, 255, 255, 0.08) 58%),
    radial-gradient(circle at 34% 16%, rgba(255, 255, 255, 0.34), transparent 28%),
    radial-gradient(circle at 80% 84%, rgba(184, 255, 77, 0.38), transparent 42%),
    linear-gradient(145deg, rgba(21, 48, 39, 0.94), rgba(9, 15, 25, 0.98));
  color: var(--lime);
  cursor: pointer;
  font-size: 0;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 -18px 30px rgba(0, 0, 0, 0.22),
    0 16px 30px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(184, 255, 77, 0.18);
  transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease;
}

.random-avatar-tile b::before {
  content: "?";
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 42% 20%, rgba(255, 255, 255, 0.34), transparent 38%),
    rgba(184, 255, 77, 0.14);
  color: #ffffff;
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
  box-shadow:
    inset 0 0 0 1px rgba(184, 255, 77, 0.42),
    0 0 18px rgba(184, 255, 77, 0.24);
}

.random-avatar-tile b::after {
  content: "Zufall";
  position: absolute;
  inset: auto 9px 9px;
  border-radius: 999px;
  padding: 4px 0 5px;
  background: rgba(8, 13, 23, 0.7);
  color: var(--lime);
  font-size: 0.66rem;
  font-weight: 950;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0;
}

.random-avatar-tile:hover b {
  transform: translateY(-5px) scale(1.05);
  border-color: rgba(184, 255, 77, 0.95);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 -18px 30px rgba(0, 0, 0, 0.18),
    0 22px 42px rgba(0, 0, 0, 0.26),
    0 0 34px rgba(184, 255, 77, 0.32);
}

@media (max-width: 760px) {
  .image-avatar-preview {
    width: 164px;
    height: 164px;
  }

  .random-avatar-tile {
    width: auto;
  }
}

/* Avatar showcase: cinematic stage and premium selection tiles. */
.image-avatar-studio {
  position: relative;
  isolation: isolate;
  grid-template-columns: minmax(184px, 220px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(22px, 3.2vw, 34px);
  border-radius: 34px;
  border: 1px solid rgba(184, 255, 77, 0.38);
  background:
    radial-gradient(circle at 16% 28%, rgba(184, 255, 77, 0.24), transparent 34%),
    radial-gradient(circle at 78% 12%, rgba(83, 165, 255, 0.22), transparent 34%),
    radial-gradient(circle at 42% 94%, rgba(184, 255, 77, 0.12), transparent 38%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(7, 12, 20, 0.76) 52%, rgba(10, 18, 30, 0.94));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 0 0 1px rgba(184, 255, 77, 0.08),
    0 0 0 1px rgba(184, 255, 77, 0.1),
    0 28px 72px rgba(0, 0, 0, 0.34),
    0 0 70px rgba(184, 255, 77, 0.13);
}

.image-avatar-studio::before,
.image-avatar-studio::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.image-avatar-studio::before {
  inset: -2px;
  border-radius: 36px;
  background:
    linear-gradient(115deg, rgba(184, 255, 77, 0.78), transparent 23%, rgba(83, 165, 255, 0.42) 54%, transparent 76%, rgba(184, 255, 77, 0.44));
  opacity: 0.56;
  filter: blur(2px);
}

.image-avatar-studio::after {
  inset: 14px 18px auto 18px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), rgba(184, 255, 77, 0.54), transparent);
}

.image-avatar-preview {
  position: relative;
  width: clamp(176px, 20vw, 224px);
  height: clamp(176px, 20vw, 224px);
  justify-self: center;
  overflow: visible;
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.28), transparent 28%),
    radial-gradient(circle at 24% 76%, rgba(184, 255, 77, 0.22), transparent 32%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.24), rgba(47, 123, 215, 0.24) 48%, rgba(10, 16, 28, 0.98));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    inset 0 -28px 44px rgba(0, 0, 0, 0.22),
    0 0 0 3px rgba(184, 255, 77, 0.16),
    0 0 46px rgba(184, 255, 77, 0.26),
    0 26px 48px rgba(0, 0, 0, 0.38);
  transform: perspective(900px) rotateX(var(--avatar-rx)) rotateY(var(--avatar-ry));
}

.image-avatar-preview::before {
  content: "";
  position: absolute;
  inset: -18px;
  z-index: -1;
  border-radius: 44px;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.28), transparent 25%),
    conic-gradient(from 210deg, rgba(184, 255, 77, 0), rgba(184, 255, 77, 0.58), rgba(83, 165, 255, 0.42), rgba(184, 255, 77, 0));
  filter: blur(12px);
  opacity: 0.78;
  animation: avatarStagePulse 3.2s ease-in-out infinite;
}

.image-avatar-preview::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 33px;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.34), transparent 32%),
    radial-gradient(circle at 72% 18%, rgba(255, 255, 255, 0.24), transparent 18%);
  mix-blend-mode: screen;
  pointer-events: none;
}

@keyframes avatarStagePulse {
  0%,
  100% {
    opacity: 0.56;
    transform: scale(0.98);
  }

  50% {
    opacity: 0.9;
    transform: scale(1.03);
  }
}

.image-avatar-preview img {
  position: relative;
  z-index: 1;
  width: 112%;
  height: 112%;
  object-fit: cover;
  object-position: center 16%;
  transform: translate(-6%, -4%);
  filter:
    saturate(1.08)
    contrast(1.03)
    drop-shadow(0 18px 18px rgba(0, 0, 0, 0.34))
    drop-shadow(0 0 24px rgba(184, 255, 77, 0.16));
}

.avatar-controls {
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 18px;
}

.avatar-controls > span {
  width: fit-content;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #eff6ff;
  font-size: 0.88rem;
  font-weight: 950;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.image-avatar-grid {
  grid-template-columns: repeat(4, minmax(78px, 90px));
  justify-content: center;
  align-items: center;
  gap: 16px clamp(16px, 2.4vw, 26px);
}

.image-avatar-grid b {
  width: clamp(78px, 8vw, 90px);
  height: clamp(78px, 8vw, 90px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.24), transparent 28%),
    radial-gradient(circle at 66% 76%, rgba(184, 255, 77, 0.14), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(14, 22, 34, 0.88));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -20px 30px rgba(0, 0, 0, 0.2),
    0 16px 32px rgba(0, 0, 0, 0.22);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    filter 180ms ease;
}

.image-avatar-grid b::before {
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.34), transparent 36%, rgba(184, 255, 77, 0.1));
}

.image-avatar-grid img {
  width: 108%;
  height: 108%;
  object-fit: cover;
  object-position: center 16%;
  transform: translate(-4%, -3%);
  filter:
    saturate(1.06)
    drop-shadow(0 10px 10px rgba(0, 0, 0, 0.26));
}

.image-avatar-grid b:hover {
  transform: translateY(-5px) scale(1.06);
  border-color: rgba(184, 255, 77, 0.56);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -20px 30px rgba(0, 0, 0, 0.2),
    0 0 24px rgba(184, 255, 77, 0.22),
    0 22px 38px rgba(0, 0, 0, 0.3);
}

.image-avatar-grid input:checked + b {
  border-color: rgba(184, 255, 77, 1);
  transform: translateY(-4px) scale(1.08);
  box-shadow:
    0 0 0 3px rgba(184, 255, 77, 0.16),
    0 0 0 8px rgba(184, 255, 77, 0.06),
    0 0 36px rgba(184, 255, 77, 0.48),
    0 24px 42px rgba(0, 0, 0, 0.34);
}

.image-avatar-grid input:checked + b::after {
  inset: 7px;
  border-radius: 18px;
  border-color: rgba(184, 255, 77, 0.82);
}

@media (max-width: 760px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 168px;
    height: 168px;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, minmax(64px, 76px));
    gap: 12px;
  }

  .image-avatar-grid b {
    width: 72px;
    height: 72px;
    border-radius: 20px;
  }
}

/* Definitive layout guard: nothing clips, spills or floats out of rhythm. */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body.is-authenticated .topbar {
  justify-content: center;
}

#start,
main,
section,
.hero,
.hero-copy,
.hero-join,
.teacher-panel,
.panel,
.arena-layout,
.leaderboard-layout,
.leaderboard-podium,
.group-tabs {
  min-width: 0;
}

.hero-join {
  width: min(100% - 28px, 780px);
  max-width: 780px;
  overflow: hidden;
}

.hero-join label,
.hero-join input,
.hero-join .button {
  max-width: 100%;
  min-width: 0;
}

.teacher-panel {
  max-width: 740px;
}

.teacher-form-grid {
  width: min(100%, 560px);
  margin-inline: auto;
  grid-template-columns: minmax(150px, 210px) minmax(220px, 280px);
  justify-content: center;
  align-items: end;
  gap: 14px;
}

.teacher-count-stepper {
  width: 100%;
  grid-template-columns: 48px minmax(70px, 1fr) 48px;
  gap: 8px;
  padding: 6px;
}

.teacher-count-stepper button,
.teacher-count-stepper input {
  width: 100%;
  min-width: 0;
}

.arena-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
  align-items: start;
  gap: 18px;
  overflow: hidden;
}

.panel-toolbar {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  align-items: end;
}

.group-tabs {
  grid-template-columns: repeat(4, minmax(104px, 1fr));
  max-width: 100%;
  overflow: hidden;
}

.group-tabs button {
  min-width: 0;
}

.points-panel {
  align-self: start;
  max-width: 100%;
}

.leaderboard-podium {
  grid-template-columns: minmax(420px, 1.52fr) minmax(300px, 0.94fr) minmax(190px, 0.46fr);
  align-items: end;
  gap: 24px;
  margin: 0 0 72px;
  overflow: visible;
}

.podium-card {
  align-self: end;
  box-sizing: border-box;
}

.podium-1 {
  min-height: 260px;
}

.podium-2 {
  min-height: 188px;
  transform: translateY(22px);
}

.podium-3 {
  min-height: 96px;
  max-height: 116px;
  padding: 12px 14px;
  gap: 3px;
  transform: translateY(72px);
}

.podium-3::before {
  width: 46px;
  height: 46px;
}

.podium-3 .podium-rank {
  padding: 4px 8px;
  font-size: 0.62rem;
}

.podium-3 strong {
  gap: 7px;
  font-size: clamp(0.92rem, 1.2vw, 1.12rem);
}

.podium-3 .image-player-avatar {
  width: 46px;
  height: 46px;
  border-radius: 15px;
}

.podium-3 b {
  font-size: 0.88rem;
}

.podium-3 small {
  display: none;
}

.arena-player-card {
  padding: 10px 18px 10px 10px;
  border-radius: 24px;
}

.arena-player-card .image-player-avatar,
#arenaStatus .image-player-avatar {
  width: 76px;
  height: 76px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 52% 12%, rgba(255, 255, 255, 0.24), transparent 28%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.2), rgba(47, 123, 215, 0.2) 46%, rgba(10, 16, 28, 0.96));
}

.arena-player-card .image-player-avatar img,
#arenaStatus .image-player-avatar img,
.image-avatar-preview img,
.image-avatar-grid img,
.image-player-avatar img {
  object-position: center 16%;
}

@media (max-width: 1180px) {
  .arena-layout {
    grid-template-columns: 1fr;
  }

  .panel-toolbar {
    grid-template-columns: 1fr;
  }

  .group-tabs {
    grid-template-columns: repeat(3, minmax(104px, 1fr));
  }

  .leaderboard-podium {
    grid-template-columns: 1fr;
    margin-bottom: 20px;
  }

  .podium-1,
  .podium-2,
  .podium-3 {
    min-height: 142px;
    max-height: none;
    transform: none;
  }

  .podium-3 small {
    display: block;
  }
}

@media (max-width: 640px) {
  .hero-join {
    width: min(100% - 18px, 440px);
  }

  .teacher-form-grid {
    width: min(100%, 360px);
    grid-template-columns: 1fr;
  }

  .group-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Latest polish: stronger arena avatar and clearer podium hierarchy. */
.leaderboard-podium {
  grid-template-columns: minmax(280px, 1.56fr) minmax(230px, 1fr) minmax(180px, 0.58fr);
  align-items: end;
}

.podium-1 {
  min-height: 238px;
}

.podium-2 {
  min-height: 184px;
}

.podium-3 {
  min-height: 78px;
  padding: 12px;
  gap: 5px;
  transform: translateY(18px);
}

.podium-3 .podium-rank {
  padding: 5px 8px;
  font-size: 0.66rem;
}

.podium-3 strong {
  font-size: clamp(0.86rem, 1.45vw, 1.16rem);
}

.podium-3 b {
  font-size: 0.86rem;
}

.podium-3 small {
  font-size: 0.72rem;
  line-height: 1.12;
}

.arena-player-card {
  gap: 14px;
  padding: 10px 18px 10px 10px;
  border-radius: 24px;
  border-color: rgba(184, 255, 77, 0.5);
  background:
    radial-gradient(circle at 18% 18%, rgba(184, 255, 77, 0.28), transparent 34%),
    radial-gradient(circle at 76% 16%, rgba(84, 168, 255, 0.22), transparent 36%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(7, 12, 20, 0.8));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    0 0 32px rgba(184, 255, 77, 0.16),
    0 20px 44px rgba(0, 0, 0, 0.28);
}

.arena-player-card .image-player-avatar,
#arenaStatus .image-player-avatar {
  width: 74px;
  height: 74px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 52% 12%, rgba(255, 255, 255, 0.22), transparent 28%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.2), rgba(47, 123, 215, 0.2) 46%, rgba(10, 16, 28, 0.94));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    0 0 0 2px rgba(184, 255, 77, 0.18),
    0 16px 32px rgba(0, 0, 0, 0.28),
    0 0 28px rgba(184, 255, 77, 0.16);
}

.arena-player-card .image-player-avatar img,
#arenaStatus .image-player-avatar img {
  object-fit: cover;
  object-position: center 21%;
}

.arena-player-card span:not(.image-player-avatar) {
  font-size: clamp(1rem, 2.2vw, 1.35rem);
}

@media (max-width: 760px) {
  .leaderboard-podium {
    grid-template-columns: 1fr;
  }

  .podium-3 {
    min-height: 118px;
    transform: none;
  }

  .arena-player-card .image-player-avatar,
  #arenaStatus .image-player-avatar {
    width: 62px;
    height: 62px;
  }
}

/* Final fix for overflow, podium balance and the fox avatar. */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

#start,
.hero,
.hero-copy,
.hero-join,
.panel,
.arena-layout,
.leaderboard-layout,
.leaderboard-podium {
  min-width: 0;
}

.hero-join {
  width: min(100% - 28px, 820px);
  max-width: 820px;
  overflow: hidden;
}

.teacher-form-grid {
  width: min(100%, 620px);
  grid-template-columns: minmax(150px, 240px) minmax(230px, 300px);
  justify-content: center;
}

.teacher-count-stepper {
  width: 100%;
  box-sizing: border-box;
  grid-template-columns: 52px minmax(74px, 1fr) 52px;
}

.teacher-count-stepper button,
.teacher-count-stepper input {
  min-width: 0;
}

.arena-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  align-items: start;
  overflow: hidden;
}

.panel-toolbar {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  align-items: end;
}

.group-tabs {
  grid-template-columns: repeat(4, minmax(112px, 1fr));
  max-width: 100%;
  overflow: hidden;
}

.points-panel {
  align-self: start;
}

.leaderboard-podium {
  grid-template-columns: minmax(420px, 1.45fr) minmax(300px, 0.92fr) minmax(210px, 0.54fr);
  gap: 24px;
  align-items: end;
  margin: 0 0 26px;
}

.podium-card {
  align-self: end;
  box-sizing: border-box;
}

.podium-1 {
  min-height: 256px;
}

.podium-2 {
  min-height: 190px;
  transform: translateY(18px);
}

.podium-3 {
  min-height: 124px;
  max-height: 142px;
  padding: 14px 16px;
  gap: 4px;
  transform: translateY(52px);
}

.podium-3 .podium-rank {
  padding: 5px 10px;
  font-size: 0.68rem;
}

.podium-3 strong {
  gap: 8px;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

.podium-3 .image-player-avatar {
  width: 56px;
  height: 56px;
  border-radius: 17px;
}

.podium-3 b {
  font-size: 1rem;
}

.podium-3 small {
  font-size: 0.78rem;
  line-height: 1.1;
}

.arena-player-card .image-player-avatar img,
#arenaStatus .image-player-avatar img,
.image-avatar-preview img,
.image-avatar-grid img,
.image-player-avatar img {
  object-position: center 18%;
}

@media (max-width: 1180px) {
  .arena-layout {
    grid-template-columns: 1fr;
  }

  .panel-toolbar {
    grid-template-columns: 1fr;
  }

  .group-tabs {
    grid-template-columns: repeat(3, minmax(112px, 1fr));
  }

  .leaderboard-podium {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .podium-1,
  .podium-2,
  .podium-3 {
    min-height: 150px;
    max-height: none;
    transform: none;
  }
}

@media (max-width: 640px) {
  .hero-join {
    width: min(100% - 18px, 460px);
  }

  .teacher-form-grid {
    grid-template-columns: 1fr;
    width: min(100%, 360px);
  }

  .group-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Final polished avatar selector. */
.image-avatar-studio {
  grid-template-columns: 108px 1fr;
  gap: 14px;
  padding: 12px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 16% 18%, rgba(184, 255, 77, 0.2), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(84, 168, 255, 0.2), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.11), rgba(7, 12, 20, 0.58));
  box-shadow:
    inset 0 0 0 1px rgba(184, 255, 77, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 18px 46px rgba(0, 0, 0, 0.26);
}

.image-avatar-preview {
  width: 108px;
  height: 108px;
  min-height: 0;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 13%, rgba(255, 255, 255, 0.24), transparent 26%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.18), rgba(47, 123, 215, 0.18) 48%, rgba(10, 16, 28, 0.96));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    0 0 22px rgba(184, 255, 77, 0.14),
    0 18px 34px rgba(0, 0, 0, 0.26);
}

.image-avatar-preview img {
  width: 112%;
  height: 112%;
  object-fit: cover;
  object-position: center 34%;
  transform: translate(-5%, -2%);
  filter:
    saturate(1.05)
    drop-shadow(0 12px 14px rgba(0, 0, 0, 0.3));
}

.image-avatar-grid {
  grid-template-columns: repeat(4, 64px);
  gap: 8px;
  justify-content: start;
  align-items: center;
}

.image-avatar-grid b {
  width: 64px;
  height: 64px;
  min-height: 0;
  border-radius: 18px;
  padding: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.22), transparent 26%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0.055));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.07),
    inset 0 -18px 24px rgba(0, 0, 0, 0.14),
    0 10px 20px rgba(0, 0, 0, 0.16);
}

.image-avatar-grid b::before {
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.24), transparent 38%, rgba(184, 255, 77, 0.08));
}

.image-avatar-grid img {
  width: 116%;
  height: 116%;
  object-fit: cover;
  object-position: center 32%;
  transform: translate(-6%, -3%);
  filter:
    saturate(1.06)
    drop-shadow(0 8px 7px rgba(0, 0, 0, 0.24));
}

.image-avatar-grid b:hover {
  transform: translateY(-3px) scale(1.045);
}

.image-avatar-grid input:checked + b {
  border-color: rgba(184, 255, 77, 0.98);
  box-shadow:
    0 0 0 2px rgba(184, 255, 77, 0.16),
    0 0 20px rgba(184, 255, 77, 0.36),
    0 14px 26px rgba(0, 0, 0, 0.22);
}

.image-avatar-grid input:checked + b::after {
  inset: 5px;
  border-radius: 14px;
}

.avatar-controls {
  gap: 10px;
}

.avatar-controls > span {
  font-size: 0.92rem;
}

@media (max-width: 560px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .image-avatar-preview {
    width: 104px;
    height: 104px;
    justify-self: center;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, 58px);
    justify-content: center;
  }

  .image-avatar-grid b {
    width: 58px;
    height: 58px;
    border-radius: 16px;
  }
}

/* Last override: compact teacher form and arena player card. */
.teacher-panel {
  max-width: 680px;
}

.teacher-form-grid {
  width: min(100%, 560px);
  margin-inline: auto;
  grid-template-columns: minmax(170px, 220px) minmax(250px, 300px);
  justify-content: center;
  gap: 14px;
}

.teacher-count-stepper {
  grid-template-columns: 48px 1fr 48px;
  padding: 6px;
  border-radius: 16px;
}

.teacher-count-stepper button {
  width: 48px;
  min-height: 54px;
  border-radius: 14px;
}

.teacher-count-stepper input,
.teacher-form-grid input[name="className"] {
  min-height: 54px;
  border-radius: 14px;
}

.class-hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.class-hero-card h2 {
  max-width: none;
}

.arena-player-card {
  justify-self: end;
}

@media (max-width: 760px) {
  .teacher-form-grid {
    width: min(100%, 430px);
    grid-template-columns: 1fr;
  }

  .class-hero-card {
    grid-template-columns: 1fr;
  }

  .arena-player-card {
    justify-self: start;
  }
}

/* Premium real-image avatar cards. */
.image-avatar-studio {
  grid-template-columns: 136px 1fr;
  align-items: center;
  padding: 16px;
  gap: 18px;
  border-radius: 26px;
  background:
    radial-gradient(circle at 16% 18%, rgba(184, 255, 77, 0.22), transparent 34%),
    radial-gradient(circle at 84% 12%, rgba(84, 168, 255, 0.22), transparent 36%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(9, 15, 25, 0.56));
  box-shadow:
    inset 0 0 0 1px rgba(184, 255, 77, 0.22),
    0 22px 54px rgba(0, 0, 0, 0.28);
}

.image-avatar-preview {
  width: 136px;
  height: 136px;
  min-height: 0;
  overflow: hidden;
  place-items: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.24), transparent 28%),
    linear-gradient(145deg, rgba(184, 255, 77, 0.2), rgba(47, 123, 215, 0.18) 46%, rgba(10, 16, 28, 0.96));
}

.image-avatar-preview img,
.image-avatar-grid img,
.image-player-avatar img {
  display: block;
}

.image-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  transform: none;
  filter:
    drop-shadow(0 14px 18px rgba(0, 0, 0, 0.3))
    drop-shadow(0 0 18px rgba(184, 255, 77, 0.16));
}

.image-avatar-grid {
  grid-template-columns: repeat(auto-fit, minmax(82px, 92px));
  justify-content: start;
  gap: 10px;
}

.image-avatar-grid label.is-missing {
  display: none;
}

.image-avatar-grid label:not(.is-ready) {
  display: none;
}

.image-avatar-grid b {
  aspect-ratio: 1;
  min-height: 0;
  overflow: hidden;
  place-items: center;
  border-radius: 22px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background:
    radial-gradient(circle at 50% 12%, rgba(255, 255, 255, 0.2), transparent 26%),
    linear-gradient(150deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.055));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 -24px 30px rgba(0, 0, 0, 0.12),
    0 14px 28px rgba(0, 0, 0, 0.16);
}

.image-avatar-grid b::before {
  background:
    linear-gradient(118deg, rgba(255, 255, 255, 0.24), transparent 34%, rgba(184, 255, 77, 0.08));
}

.image-avatar-grid img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 23%;
  transform: none;
  filter: drop-shadow(0 10px 9px rgba(0, 0, 0, 0.26));
}

.image-avatar-grid input:checked + b {
  border-color: rgba(184, 255, 77, 0.98);
  box-shadow:
    0 0 0 3px rgba(184, 255, 77, 0.15),
    0 0 26px rgba(184, 255, 77, 0.36),
    0 18px 34px rgba(0, 0, 0, 0.22);
}

.image-avatar-grid input:checked + b::after {
  inset: 7px;
  border-radius: 17px;
  border-color: rgba(184, 255, 77, 0.72);
}

.image-player-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  transform: none;
}

@media (max-width: 560px) {
  .image-avatar-studio {
    grid-template-columns: 1fr;
  }

  .image-avatar-preview {
    width: 132px;
    height: 132px;
    justify-self: center;
  }

  .image-avatar-grid {
    grid-template-columns: repeat(4, minmax(68px, 1fr));
    justify-content: center;
  }
}