:root {
  --bg: #020916;
  --bg-mid: #04122a;
  --bg-deep: #01060f;
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --orange: #fb923c;
  --orange-hot: #f97316;
  --text: #e8f4ff;
  --text-soft: #94a3b8;
  --glass: rgba(8, 24, 48, 0.62);
  --glass-border: rgba(34, 211, 238, 0.22);
  --glow-cyan: 0 0 18px rgba(34, 211, 238, 0.35);
  --glow-orange: 0 0 18px rgba(249, 115, 22, 0.3);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --font: "Vazirmatn", "Segoe UI", sans-serif;
  --display: "Orbitron", "Space Grotesk", "Vazirmatn", sans-serif;
  --good: #34d399;
  --bad: #f87171;
  --hub-circ: 326.726;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(700px 480px at 108% 8%, rgba(249, 115, 22, 0.1), transparent 50%),
    radial-gradient(1000px 600px at 50% 120%, rgba(4, 18, 42, 0.9), transparent 60%),
    linear-gradient(165deg, var(--bg-mid) 0%, var(--bg) 45%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: var(--font);
}

body {
  min-height: 100dvh;
  position: relative;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(circle at 20% 30%, rgba(34, 211, 238, 0.08), transparent 28%),
    radial-gradient(circle at 80% 70%, rgba(249, 115, 22, 0.06), transparent 32%);
  filter: blur(40px);
  z-index: 0;
}

.starfield {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 28% 62%, rgba(103, 232, 249, 0.8), transparent),
    radial-gradient(1.2px 1.2px at 44% 22%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 58% 78%, rgba(251, 146, 60, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 72% 34%, rgba(255, 255, 255, 0.65), transparent),
    radial-gradient(1px 1px at 86% 58%, rgba(103, 232, 249, 0.75), transparent),
    radial-gradient(1.2px 1.2px at 18% 88%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at 92% 12%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 36% 48%, rgba(103, 232, 249, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 64% 8%, rgba(255, 255, 255, 0.5), transparent),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
  background-size: auto, auto, auto, auto, auto, auto, auto, auto, auto, auto, 160px 160px;
  animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.42; }
  to { opacity: 0.62; }
}

.app {
  position: relative;
  z-index: 1;
  width: min(960px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 48px;
}

.soon-banner {
  margin: 0 0 12px;
  padding: 8px 12px;
  text-align: center;
  border: 1px dashed rgba(34, 211, 238, 0.45);
  border-radius: 999px;
  background: rgba(4, 18, 42, 0.7);
  color: var(--cyan-soft);
  font-size: 0.86rem;
  box-shadow: var(--glow-cyan);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0 18px;
  border-bottom: 1px solid rgba(34, 211, 238, 0.18);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--cyan);
  border-radius: 10px;
  background: rgba(2, 9, 22, 0.85);
  color: var(--cyan-soft);
  font-family: var(--display);
  font-size: 1.45rem;
  box-shadow: inset 0 0 0 2px rgba(34, 211, 238, 0.15), var(--glow-cyan);
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--orange);
}

.brand h1,
.card h2,
.result-card h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--text);
  text-shadow: 0 0 24px rgba(34, 211, 238, 0.25);
}

.topbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

a.primary-btn,
a.ghost-btn,
a.shop-btn,
a.auth-cta {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.auth-cta {
  width: 100%;
  text-align: center;
}

.auth-note,
.tiny {
  font-size: 0.82rem;
}

.level-block {
  margin-bottom: 14px;
}

.level-label {
  margin: 0 0 4px;
  font-weight: 700;
}

.level-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.level-btn {
  appearance: none;
  font: inherit;
  cursor: pointer;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(4, 18, 42, 0.7);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.level-btn:hover {
  border-color: var(--cyan);
}

.level-btn.is-on {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.25), rgba(249, 115, 22, 0.2));
  color: var(--text);
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.profile-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--glass);
  font-size: 0.82rem;
  backdrop-filter: blur(10px);
}

.profile-chip .tier {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.2);
  color: var(--cyan-soft);
  font-size: 0.72rem;
  border: 1px solid rgba(34, 211, 238, 0.35);
}

.tier.bronze { background: rgba(138, 90, 50, 0.55); color: #f5d0a9; border-color: #8a5a32; }
.tier.silver { background: rgba(109, 111, 120, 0.55); color: #e2e8f0; border-color: #94a3b8; }
.tier.gold { background: rgba(154, 116, 40, 0.55); color: #fde68a; border-color: #b8954a; }
.tier.platinum { background: rgba(77, 106, 120, 0.55); color: #bae6fd; border-color: #64748b; }
.tier.diamond { background: rgba(47, 79, 106, 0.65); color: var(--cyan-soft); border-color: var(--cyan); }

.ghost-btn,
.primary-btn,
.join-btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  border-radius: 999px;
  padding: 10px 16px;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.ghost-btn:hover,
.primary-btn:hover,
.join-btn:hover,
.mode-card:hover {
  transform: translateY(-1px);
}

.ghost-btn {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text);
}

.ghost-btn:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.primary-btn,
.join-btn {
  background: linear-gradient(135deg, #0e7490, #ea580c);
  color: #fff;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.25);
}

.primary-btn:hover,
.join-btn:hover {
  box-shadow: var(--glow-cyan), var(--glow-orange);
}

.primary-btn:disabled,
.join-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.screens {
  padding-top: 22px;
}

.screen[hidden] {
  display: none !important;
}

.lede,
.muted,
.empty {
  color: var(--text-soft);
}

.lede {
  line-height: 1.75;
}

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(103, 232, 249, 0.08);
  padding: 22px;
  backdrop-filter: blur(14px);
}

.ornament {
  margin: 0 0 8px;
  color: var(--cyan);
  text-align: center;
  letter-spacing: 0.4em;
  text-shadow: var(--glow-cyan);
}

.stack {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
}

input {
  width: 100%;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(2, 9, 22, 0.75);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
}

input:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
  box-shadow: var(--glow-cyan);
}

.mode-grid {
  display: grid;
  gap: 12px;
}

.mode-card {
  text-align: inherit;
  font: inherit;
  color: inherit;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.mode-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan), var(--shadow);
}

.mode-kicker {
  color: var(--orange);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.mode-card strong {
  font-family: var(--display);
  font-size: 1.25rem;
  color: var(--cyan-soft);
}

.mode-card span:last-child {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.table-wrap {
  overflow-x: auto;
  padding: 0;
}

.lobby-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.lobby-table th,
.lobby-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(34, 211, 238, 0.12);
  text-align: start;
  vertical-align: middle;
}

.lobby-table th {
  font-size: 0.78rem;
  color: var(--text-soft);
  font-weight: 600;
}

.lobby-table tr.is-you {
  background: rgba(34, 211, 238, 0.08);
}

.empty {
  padding: 22px;
  text-align: center;
}

.invite-code {
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3rem);
  letter-spacing: 0.18em;
  text-align: center;
  margin: 8px 0 18px;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 14px;
}

.fighter {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 12px 14px;
  min-width: 0;
  backdrop-filter: blur(10px);
}

.fighter.you {
  box-shadow: inset 0 0 0 2px rgba(34, 211, 238, 0.28), var(--glow-cyan);
}

.fighter .name {
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fighter .meta {
  font-size: 0.78rem;
  color: var(--text-soft);
}

.score-pip {
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.vs-seal {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  display: grid;
  place-items: center;
  align-self: center;
  background: rgba(2, 9, 22, 0.9);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
  box-shadow: var(--glow-cyan);
}

.duel-stage {
  min-height: 340px;
  display: grid;
  gap: 16px;
}

.round-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-soft);
}

/* Circular duel hub (replaces linear .timer) */
.duel-hub {
  position: relative;
  width: 148px;
  height: 148px;
  margin: 4px auto 8px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hub-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.hub-ring-track {
  fill: none;
  stroke: rgba(34, 211, 238, 0.12);
  stroke-width: 6;
}

.hub-ring-progress {
  fill: none;
  stroke: url(#hubGradient);
  stroke: var(--cyan);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: var(--hub-circ);
  stroke-dashoffset: calc(var(--hub-circ) * (1 - var(--remain, 1)));
  filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.65));
  transition: stroke-dashoffset 0.35s linear;
}

.hub-ring-progress.is-draining {
  transition: none;
  animation: hub-drain linear forwards;
}

@keyframes hub-drain {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: var(--hub-circ); }
}

.orbit-path {
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  border: 1px dashed rgba(34, 211, 238, 0.18);
}

.orbit-path-1 {
  inset: 6%;
  animation: spin-cw 14s linear infinite;
}

.orbit-path-2 {
  inset: 18%;
  border-color: rgba(249, 115, 22, 0.22);
  animation: spin-ccw 10s linear infinite;
}

.orbit-path-3 {
  inset: 28%;
  border-style: dotted;
  animation: spin-cw 18s linear infinite;
}

.tick {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  border-radius: 50%;
  background: var(--cyan-soft);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.9), 0 0 18px rgba(34, 211, 238, 0.45);
}

.orbit-path-2 .tick {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(249, 115, 22, 0.9), 0 0 18px rgba(249, 115, 22, 0.4);
}

.orbit-path-3 .tick {
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  top: -2.5px;
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

@keyframes spin-cw {
  to { transform: rotate(360deg); }
}

@keyframes spin-ccw {
  to { transform: rotate(-360deg); }
}

.hub-core {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 2px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(34, 211, 238, 0.18), rgba(2, 9, 22, 0.95));
  border: 1px solid rgba(34, 211, 238, 0.35);
  box-shadow: inset 0 0 20px rgba(34, 211, 238, 0.15), var(--glow-cyan);
}

.hub-secs {
  font-family: var(--display);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

.hub-label {
  font-size: 0.65rem;
  color: var(--text-soft);
  letter-spacing: 0.06em;
}

/* Keep .timer as inert fallback alias if any legacy markup appears */
.timer {
  display: none;
}

.prompt {
  margin: 4px 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 7vw, 3.4rem);
  text-align: center;
  color: var(--cyan-soft);
  text-shadow: 0 0 28px rgba(34, 211, 238, 0.35);
}

.prompt.lang-en {
  letter-spacing: 0.02em;
}

.options {
  display: grid;
  gap: 10px;
}

.option {
  font: inherit;
  color: inherit;
  background: rgba(4, 18, 42, 0.75);
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
  text-align: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.option:hover:not(:disabled) {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.option.is-correct {
  background: rgba(52, 211, 153, 0.18);
  border-color: var(--good);
  box-shadow: 0 0 16px rgba(52, 211, 153, 0.35);
}

.option.is-wrong {
  background: rgba(248, 113, 113, 0.16);
  border-color: var(--bad);
  box-shadow: 0 0 16px rgba(248, 113, 113, 0.3);
}

.option.is-pending {
  background: rgba(34, 211, 238, 0.2);
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.55), inset 0 0 14px rgba(34, 211, 238, 0.12);
  transform: scale(0.985);
  color: var(--cyan-soft);
}

.option:disabled {
  cursor: default;
}

.options-wrap {
  position: relative;
}

.round-arm {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  border-radius: 16px;
  background: rgba(2, 9, 22, 0.55);
  backdrop-filter: blur(2px);
  pointer-events: none;
  z-index: 2;
}

.round-arm-num {
  font-family: var(--display);
  font-size: 4.2rem;
  line-height: 1;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.round-arm-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.banner {
  text-align: center;
  min-height: 1.4em;
  font-weight: 600;
}

.banner.good { color: var(--good); }
.banner.bad { color: var(--orange-hot); }

.countdown {
  min-height: 280px;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 8px;
}

.countdown b {
  font-family: var(--display);
  font-size: 5rem;
  line-height: 1;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.banner.info { color: var(--cyan-soft); }

.between-round {
  min-height: 280px;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 6px;
  padding: 12px 8px;
}

.between-round .between-kicker {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.75;
  letter-spacing: 0.04em;
}

.between-round .between-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.between-round .between-secs {
  font-family: var(--display);
  font-size: 5rem;
  line-height: 1;
  color: var(--cyan-soft);
  text-shadow: var(--glow-cyan);
}

.between-round .between-meta {
  margin: 0;
  opacity: 0.7;
  font-size: 0.9rem;
}


.result-rank {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 16px;
}

.pill {
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.85rem;
  background: rgba(4, 18, 42, 0.7);
  color: var(--cyan-soft);
}

.toast {
  position: fixed;
  inset-inline: 16px;
  bottom: 16px;
  margin: 0 auto;
  width: max-content;
  max-width: calc(100% - 32px);
  background: rgba(2, 9, 22, 0.95);
  color: var(--text);
  border: 1px solid rgba(34, 211, 238, 0.4);
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow), var(--glow-cyan);
  z-index: 20;
}

.duel-leave {
  margin: 14px 0 0;
  text-align: center;
}

.colophon {
  margin-top: 28px;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.78rem;
}

.hidden[hidden] {
  display: none !important;
}

@media (min-width: 760px) {
  .mode-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-head {
    flex-direction: row;
    align-items: end;
    justify-content: space-between;
  }

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

@media (max-width: 640px) {
  .profile-chip .name-only {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .lobby-table {
    min-width: 0;
    display: block;
  }

  .lobby-table thead {
    display: none;
  }

  .lobby-table tbody,
  .lobby-table tr,
  .lobby-table td {
    display: block;
    width: 100%;
    border: 0;
  }

  .lobby-table tr {
    padding: 12px 14px 14px;
    border-bottom: 1px solid rgba(34, 211, 238, 0.12);
  }

  .lobby-table td {
    padding: 3px 0;
  }

  .lobby-table td::before {
    content: attr(data-label);
    display: inline-block;
    min-width: 5.5rem;
    color: var(--text-soft);
    font-size: 0.78rem;
  }
}