:root {
  --bg0: #0e1116;
  --bg1: #161b22;
  --bg2: #1e2530;
  --text: #f0f3f7;
  --muted: #8b97a8;
  --line: rgba(255, 255, 255, 0.08);
  --ok: #3dd68c;
  --warn: #f5c542;
  --danger: #ff6b6b;
  --font-display: "Bebas Neue", "Arial Narrow", Impact, sans-serif;
  --font-body: "DM Sans", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(244, 162, 97, 0.12), transparent 55%),
    radial-gradient(900px 600px at 100% 0%, rgba(0, 194, 212, 0.1), transparent 50%),
    radial-gradient(800px 500px at 50% 120%, rgba(42, 157, 143, 0.1), transparent 45%),
    linear-gradient(165deg, #0b0e13 0%, #141a22 45%, #0e1218 100%);
  background-attachment: fixed;
  line-height: 1.45;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: 0.06em;
  margin: 0;
  line-height: 1;
}

.brand span {
  color: var(--warn);
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover {
  color: var(--text);
  border-color: var(--warn);
}

.panel {
  background: color-mix(in srgb, var(--bg1) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem;
  backdrop-filter: blur(10px);
}

.panel h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  font-size: 1.6rem;
  font-weight: 400;
}

.hint {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.squad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

@media (max-width: 900px) {
  .squad-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.squad-tile {
  appearance: none;
  border: 2px solid var(--line);
  background: var(--bg2);
  border-radius: 16px;
  padding: 1rem 0.75rem 0.9rem;
  cursor: pointer;
  color: var(--text);
  text-align: center;
  transition: transform 0.15s ease, border-color 0.15s, box-shadow 0.15s;
}

.squad-tile:hover {
  transform: translateY(-3px);
}

.squad-tile.selected {
  border-color: var(--squad, var(--warn));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--squad, var(--warn)) 28%, transparent);
}

.squad-tile img {
  width: 100%;
  max-width: 120px;
  height: 140px;
  object-fit: contain;
  display: block;
  margin: 0 auto 0.65rem;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.35));
}

.squad-tile .name {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-size: 1.15rem;
  line-height: 1.1;
}

.login-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

@media (max-width: 600px) {
  .login-row {
    grid-template-columns: 1fr;
  }
}

input[type="password"],
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg0);
  color: var(--text);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  outline: none;
}

input:focus {
  border-color: color-mix(in srgb, var(--warn) 70%, white);
}

.btn {
  appearance: none;
  border: none;
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(180deg, #ffd56a, #e8a317);
  color: #1a1204;
}

.btn-danger {
  background: linear-gradient(180deg, #ff8a8a, #e04545);
  color: #1a0606;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-secondary {
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--text);
}

.status-msg {
  min-height: 1.25rem;
  margin-top: 0.75rem;
  color: var(--danger);
  font-size: 0.9rem;
}

/* Buzzer page */
.buzzer-layout {
  display: grid;
  gap: 1.25rem;
}

.squad-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--squad) 45%, transparent);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--squad) 18%, transparent), transparent 60%),
    var(--bg1);
}

.squad-banner img {
  width: 72px;
  height: 88px;
  object-fit: contain;
}

.squad-banner h1 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 400;
}

.squad-banner p {
  margin: 0.15rem 0 0;
  color: var(--muted);
}

.buzzer-stage {
  display: grid;
  place-items: center;
  min-height: 42vh;
  padding: 1.5rem 1.5rem 2.5rem;
}

.buzzer-stage .buzz-btn {
  margin-bottom: 1.5rem;
}

.buzz-btn {
  width: min(280px, 70vw);
  height: min(280px, 70vw);
  border-radius: 50%;
  border: 8px solid color-mix(in srgb, var(--squad) 70%, #fff);
  background:
    radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--squad) 80%, white), var(--squad) 45%, var(--squad-accent, #333) 100%);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 3.6rem);
  letter-spacing: 0.08em;
  cursor: pointer;
  box-shadow:
    0 18px 0 color-mix(in srgb, var(--squad-accent, #222) 90%, black),
    0 28px 50px rgba(0, 0, 0, 0.45);
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.buzz-btn:hover:not(:disabled) {
  filter: brightness(1.06);
}

.buzz-btn:active:not(:disabled) {
  transform: translateY(10px);
  box-shadow:
    0 8px 0 color-mix(in srgb, var(--squad-accent, #222) 90%, black),
    0 14px 28px rgba(0, 0, 0, 0.4);
}

.buzz-btn:disabled {
  cursor: not-allowed;
  filter: grayscale(0.35) brightness(0.75);
  box-shadow:
    0 10px 0 #2a2f38,
    0 16px 30px rgba(0, 0, 0, 0.35);
}

.buzz-btn.locked-first {
  animation: pulse-win 0.9s ease-in-out 2;
}

@keyframes pulse-win {
  0%,
  100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.25);
  }
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 0.25rem;
}

.buzzer-stage .status-msg {
  margin-top: 1.25rem;
  min-height: 1.5rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.pill strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 600;
}

.pill.open {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
}

.pill.closed {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

.results {
  margin-top: 0.5rem;
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.result-item {
  display: grid;
  grid-template-columns: 48px 56px 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
  animation: slide-in 0.25s ease;
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.result-item.first {
  border-color: color-mix(in srgb, var(--warn) 55%, transparent);
  background: linear-gradient(90deg, color-mix(in srgb, var(--warn) 14%, transparent), var(--bg2));
}

.rank {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: center;
}

.result-item.first .rank {
  color: var(--warn);
}

.result-item img {
  width: 44px;
  height: 54px;
  object-fit: contain;
}

.result-item .team {
  font-weight: 700;
}

.result-item .time {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--muted);
  white-space: nowrap;
}

.result-item.first .time {
  color: var(--warn);
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 1.25rem 0.5rem;
}

/* Admin */
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.presence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

@media (max-width: 900px) {
  .presence-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.presence-card {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
  opacity: 0.55;
  transition: opacity 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.presence-card.live {
  opacity: 1;
  border-color: color-mix(in srgb, var(--squad) 55%, transparent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--squad) 18%, transparent);
}

.presence-card img {
  width: 40px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.presence-name {
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.2;
}

.presence-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.presence-card.live .presence-status {
  color: var(--ok);
}

.presence-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.presence-card.live .presence-status .dot {
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent);
  animation: live-pulse 1.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent);
  }
  50% {
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--ok) 10%, transparent);
  }
}


.admin-login {
  max-width: 420px;
  margin: 4rem auto;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (max-width: 700px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

.stat {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: var(--bg2);
  border: 1px solid var(--line);
}

.stat .label {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat .value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  margin-top: 0.15rem;
}

.hidden {
  display: none !important;
}