:root {
  color-scheme: dark;
  --background: #061411;
  --surface: #0a211c;
  --surface-strong: #10352d;
  --surface-soft: #0d2a24;
  --felt: #0c503d;
  --felt-dark: #093b2f;
  --text: #f4f6ef;
  --muted: #9eb8ad;
  --line: rgba(226, 239, 231, 0.13);
  --accent: #e6b85c;
  --accent-strong: #ffd67d;
  --success: #66d3a1;
  --danger: #ff7c75;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% -10%, rgba(64, 160, 125, 0.2), transparent 36rem),
    radial-gradient(circle at 100% 20%, rgba(230, 184, 92, 0.09), transparent 32rem),
    var(--background);
  color: var(--text);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 0 24px 40px;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(230, 184, 92, 0.45);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(230, 184, 92, 0.2), rgba(230, 184, 92, 0.06));
  color: var(--accent-strong);
  font-family: Georgia, serif;
  font-size: 20px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: 0.04em;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.connection-badge,
.hand-progress {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--muted);
  font-size: 12px;
}

.connection-badge.is-online {
  border-color: rgba(102, 211, 161, 0.3);
  color: var(--success);
}

.entry-view {
  min-height: calc(100vh - 140px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 480px);
  align-items: center;
  gap: clamp(48px, 8vw, 120px);
  padding: 50px clamp(0px, 4vw, 60px) 100px;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.hero-copy h1 {
  max-width: 680px;
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(42px, 6.3vw, 78px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.hero-copy p {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.feature-list span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #dbe9e1;
  font-size: 13px;
}

.entry-panel,
.players-panel,
.activity-panel,
.table-panel {
  border: 1px solid var(--line);
  background: rgba(10, 33, 28, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.entry-panel {
  border-radius: 24px;
  padding: 26px;
}

.entry-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.18);
}

.entry-tab {
  border: 0;
  border-radius: 10px;
  padding: 11px 16px;
  background: transparent;
  color: var(--muted);
}

.entry-tab.is-active {
  background: var(--surface-strong);
  color: var(--text);
}

.entry-form {
  display: grid;
  gap: 11px;
  margin-top: 24px;
}

.entry-form label {
  margin-top: 5px;
  color: #dce9e2;
  font-size: 13px;
}

.entry-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  padding: 0 14px;
  background: rgba(2, 13, 11, 0.42);
  color: var(--text);
}

.entry-form input:focus {
  border-color: rgba(230, 184, 92, 0.68);
  box-shadow: 0 0 0 3px rgba(230, 184, 92, 0.1);
}

.entry-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
  min-height: 42px;
  border-radius: 11px;
  padding: 9px 15px;
  font-weight: 600;
}

.primary-button {
  border: 1px solid #f0c66d;
  background: linear-gradient(135deg, #f1c96f, #c99536);
  color: #1d1609;
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
}

.ghost-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
}

.danger-button {
  border: 1px solid rgba(255, 124, 117, 0.32);
  background: rgba(255, 124, 117, 0.1);
  color: #ffaaa5;
}

.entry-form .primary-button {
  margin-top: 10px;
  min-height: 50px;
}

.game-view {
  padding-bottom: 30px;
}

.room-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 8px 0 18px;
}

.toolbar-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.room-code {
  font-size: 22px;
  letter-spacing: 0.16em;
}

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

.game-layout {
  display: grid;
  grid-template-columns: minmax(210px, 260px) minmax(460px, 1fr) minmax(220px, 280px);
  align-items: stretch;
  gap: 16px;
}

.players-panel,
.activity-panel,
.table-panel {
  border-radius: 20px;
}

.players-panel,
.activity-panel {
  padding: 18px;
}

.panel-heading,
.table-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.players-list,
.activity-list {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}

.player-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.035);
}

.player-row.is-turn {
  box-shadow: inset 0 0 0 1px rgba(230, 184, 92, 0.58);
}

.player-row.is-out {
  opacity: 0.5;
}

.player-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--accent-strong);
  font-family: Georgia, serif;
}

.player-name {
  min-width: 0;
}

.player-name strong,
.player-name small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-name strong {
  font-size: 13px;
}

.player-name small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.player-score {
  text-align: right;
}

.player-score strong,
.player-score small {
  display: block;
}

.player-score strong {
  color: var(--accent-strong);
}

.player-score small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.table-panel {
  min-height: 680px;
  padding: 18px;
}

.table-status {
  min-height: 54px;
}

.table-status strong,
.table-status span {
  display: block;
}

.table-status span {
  color: var(--muted);
  font-size: 12px;
}

.table-status strong {
  margin-top: 4px;
  font-size: 14px;
}

.challenge-status {
  min-width: 105px;
  text-align: right;
}

.challenge-status strong {
  color: var(--accent-strong);
  font-size: 20px;
}

.challenge-status small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.felt {
  position: relative;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid rgba(182, 225, 205, 0.15);
  border-radius: 46% / 23%;
  background:
    radial-gradient(circle at center, rgba(36, 142, 105, 0.43), transparent 58%),
    linear-gradient(160deg, var(--felt), var(--felt-dark));
  box-shadow: inset 0 0 70px rgba(0, 0, 0, 0.2);
}

.felt::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(230, 184, 92, 0.2);
  border-radius: inherit;
  pointer-events: none;
}

.board-caption {
  position: relative;
  z-index: 1;
  margin-bottom: 16px;
  color: rgba(239, 247, 241, 0.65);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.cards-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1.2vw, 11px);
}

.card {
  position: relative;
  width: clamp(48px, 7vw, 72px);
  aspect-ratio: 0.7;
  flex: 0 0 auto;
  border: 1px solid rgba(0, 0, 0, 0.24);
  border-radius: 9px;
  padding: 7px;
  background: #f8f5ea;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
  color: #16221e;
  font-family: Georgia, serif;
  font-size: clamp(17px, 2.5vw, 25px);
  font-weight: 600;
}

.card.is-red {
  color: #bc3f3c;
}

.card.is-empty {
  border: 1px dashed rgba(237, 246, 240, 0.18);
  background: rgba(0, 0, 0, 0.12);
  box-shadow: none;
}

.card-suit {
  position: absolute;
  right: 7px;
  bottom: 5px;
  font-size: 1.12em;
}

.result-banner {
  position: absolute;
  z-index: 2;
  bottom: 40px;
  max-width: calc(100% - 60px);
  padding: 10px 16px;
  border: 1px solid rgba(230, 184, 92, 0.32);
  border-radius: 999px;
  background: rgba(4, 20, 17, 0.88);
  color: var(--accent-strong);
  text-align: center;
  font-size: 13px;
  backdrop-filter: blur(10px);
}

.countdown {
  position: absolute;
  top: 24px;
  right: 36px;
  color: rgba(244, 246, 239, 0.72);
  font-size: 12px;
}

.self-area {
  min-height: 118px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 14px 4px 0;
}

.self-cards {
  justify-content: flex-start;
}

.self-cards .card {
  width: 56px;
}

.self-summary {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  text-align: right;
}

.match-settings,
.ready-controls,
.owner-controls,
.action-controls {
  margin-top: 18px;
}

.match-settings {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.13);
}

.match-settings small {
  display: block;
  color: var(--muted);
  font-size: 10px;
}

.setting-options,
.challenge-controls {
  display: flex;
  gap: 8px;
}

.setting-options .secondary-button {
  min-height: 36px;
  padding: 7px 12px;
}

.setting-options .is-selected {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.ready-controls .secondary-button,
.owner-controls .primary-button {
  width: 100%;
}

.action-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.challenge-controls {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 76px auto auto;
  align-items: center;
  gap: 8px;
  margin-top: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.13);
}

.challenge-copy span,
.challenge-copy small {
  display: block;
}

.challenge-copy span {
  color: #dce9e2;
  font-size: 12px;
}

.challenge-copy small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.challenge-controls input {
  width: 76px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  padding: 0 10px;
  background: rgba(2, 13, 11, 0.42);
  color: var(--text);
  text-align: center;
}

.challenge-presets {
  display: flex;
  gap: 5px;
}

.challenge-presets .secondary-button {
  min-width: 42px;
  padding: 7px 9px;
}

.challenge-controls .primary-button {
  min-width: 88px;
}

.waiting-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.activity-list {
  min-height: 220px;
}

.activity-item {
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
  color: #d7e5de;
  font-size: 12px;
  line-height: 1.5;
}

.activity-item small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.activity-empty {
  color: var(--muted);
  font-size: 12px;
}

.fairness-box {
  margin-top: 22px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.16);
}

.fairness-box span,
.fairness-box code,
.fairness-box small {
  display: block;
}

.fairness-box span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.fairness-box code {
  margin-top: 8px;
  overflow: hidden;
  color: #dfe9e3;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fairness-box small {
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: max(26px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #173b32;
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 1080px) {
  .game-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .activity-panel {
    grid-column: 1 / -1;
  }

  .activity-list {
    min-height: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 0 14px 28px;
  }

  .site-header {
    min-height: 70px;
  }

  .entry-view {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 42px 0 70px;
  }

  .hero-copy h1 {
    font-size: clamp(39px, 12vw, 58px);
  }

  .hero-copy p {
    font-size: 15px;
  }

  .entry-panel {
    padding: 20px;
  }

  .room-toolbar {
    align-items: flex-start;
  }

  .toolbar-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .game-layout {
    display: flex;
    flex-direction: column;
  }

  .players-panel {
    order: 2;
  }

  .table-panel {
    order: 1;
    min-height: auto;
    padding: 14px;
  }

  .activity-panel {
    order: 3;
  }

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

  .felt {
    min-height: 300px;
    border-radius: 42% / 20%;
  }

  .card {
    width: clamp(43px, 14vw, 62px);
  }

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

  .challenge-controls {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .challenge-copy,
  .challenge-controls > .primary-button {
    grid-column: 1 / -1;
  }

  .challenge-controls input {
    width: 100%;
  }

  .challenge-presets {
    justify-content: flex-end;
  }

  .activity-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 430px) {
  .brand small {
    display: none;
  }

  .site-header {
    align-items: center;
  }

  .room-toolbar {
    display: block;
  }

  .toolbar-actions {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .players-list,
  .activity-list {
    grid-template-columns: 1fr;
  }

  .felt {
    min-height: 260px;
    border-radius: 32px;
  }

  .felt::before {
    inset: 9px;
  }

  .countdown {
    top: 17px;
    right: 20px;
  }

  .self-area {
    align-items: flex-end;
  }

  .self-summary {
    font-size: 11px;
  }
}