:root {
  --bg: #101828;
  --panel: #142033;
  --panel-alt: #1b2a42;
  --primary: #4aa7ff;
  --primary-strong: #1b7ef2;
  --accent: #ffce6b;
  --success: #3dc98a;
  --danger: #ee6d6d;
  --text: #eaf2ff;
  --muted: #aab7cc;
  --line: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top, #1a2944, var(--bg) 48%);
  color: var(--text);
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
}

button,
input,
select {
  font: inherit;
}

button {
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
}

.secondary {
  background: rgba(74, 167, 255, 0.12);
  color: var(--text);
  border: 1px solid rgba(74, 167, 255, 0.4);
}

.ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.app-shell {
  width: min(1100px, 100%);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.topbar h1 {
  margin: 0;
  font-size: 1.4rem;
  line-height: 1.2;
}

.sound-toggle {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.sound-toggle[aria-pressed="false"] {
  color: var(--muted);
}

.topbar .topbar-badge,
.topbar .sound-toggle,
.topbar .rules-link {
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-badge {
  background: rgba(255, 206, 107, 0.1);
  border: 1px solid rgba(255, 206, 107, 0.3);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
}

.rules-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(74, 167, 255, 0.12);
  color: var(--text);
  border: 1px solid rgba(74, 167, 255, 0.4);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  text-decoration: none;
  font-weight: 600;
}

.main-grid {
  display: grid;
  gap: 20px;
}

.panel {
  background: rgba(20, 32, 51, 0.94);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
}

.hidden {
  display: none;
}

.visible {
  display: block;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.panel-header h2,
.panel-header h3 {
  margin: 0;
}

.compact {
  margin-bottom: 12px;
}

.room-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.room-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.room-form input,
.room-form select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
  appearance: menulist;
  -webkit-appearance: menulist;
  color-scheme: dark;
}

.room-form select option {
  background: var(--panel);
  color: var(--text);
}

.room-list-box {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.room-list {
  display: grid;
  gap: 12px;
}

.room-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}

.room-item strong {
  display: block;
  margin-bottom: 4px;
}

.room-item small {
  color: var(--muted);
}

.room-header {
  margin-bottom: 18px;
}

.room-code {
  background: rgba(61, 201, 138, 0.1);
  color: var(--success);
  border: 1px solid rgba(61, 201, 138, 0.28);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.seat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

.seat-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding: 16px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.seat-card.empty {
  opacity: 0.58;
}

.seat-card .seat-name {
  font-weight: 700;
}

.seat-card .pill {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 0.72rem;
}

.room-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 18px;
  align-items: start;
}

.game-main {
  min-width: 0;
}

.scoreboard {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (max-width: 760px) {
  .game-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .scoreboard {
    order: -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }
}

.score-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
}

.score-box strong {
  display: block;
  font-size: 1.2rem;
  margin-top: 8px;
}

.status-strip {
  min-height: 52px;
  background: rgba(74, 167, 255, 0.08);
  border: 1px solid rgba(74, 167, 255, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding: 12px 14px;
  color: var(--text);
  margin-bottom: 16px;
}

.bid-panel {
  margin-bottom: 16px;
}

.bid-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 206, 107, 0.25);
  border-radius: 12px;
  background: rgba(255, 206, 107, 0.06);
}

.bid-controls .bid-button {
  min-width: 52px;
  padding: 0.6rem 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.bid-controls .muted {
  color: var(--muted);
}

.discard-phase {
  display: block;
}

.discard-pair {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 12px;
  flex-wrap: wrap;
}

.discard-choice {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 120px;
}

.discard-choice small {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.discard-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.table-area {
  margin-bottom: 22px;
}

.trick-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 12px;
  min-height: 120px;
}

.trick-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 8px;
  text-align: center;
  font-weight: 700;
}

.trick-card.empty-slot {
  opacity: 0.55;
}

.trick-card .card-slot {
  width: 54px;
  height: 72px;
  margin: 0 auto;
  border: 1px dashed var(--line);
  border-radius: 10px;
}

.trick-card.highlight {
  border-color: rgba(255, 206, 107, 0.8);
  box-shadow: 0 0 0 1px rgba(255, 206, 107, 0.5), 0 14px 28px rgba(255, 206, 107, 0.12);
  background: rgba(255, 206, 107, 0.06);
}

.trick-card .meta {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
  margin-bottom: 6px;
}

.trick-card small {
  display: block;
  margin-top: 8px;
  color: var(--text);
  font-size: 0.72rem;
}

.card-button.highlight {
  box-shadow: 0 0 0 2px rgba(255, 206, 107, 0.7), 0 12px 24px rgba(255, 206, 107, 0.2);
}

.hand-wrap {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.hand-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  padding: 6px 0;
}

.card-button {
  position: relative;
  width: 72px;
  height: 104px;
  border-radius: 10px;
  border: 1px solid rgba(12, 16, 20, 0.25);
  background: linear-gradient(180deg, #fffdfd 0%, #f2f5f8 100%);
  color: #111827;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 18px rgba(0,0,0,0.18), inset 0 0 0 1px rgba(255,255,255,0.8);
  padding: 0;
  overflow: hidden;
  user-select: none;
}

.card-button::before,
.card-button::after {
  position: absolute;
  font-size: 0.72rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.card-button::before {
  top: 8px;
  left: 9px;
}

.card-button::after {
  bottom: 8px;
  right: 9px;
  transform: rotate(180deg);
}

.card-button .mode-arrow {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  line-height: 1;
  color: #fff;
  z-index: 2;
}

.card-button .mode-arrow.high {
  background: #15803d;
}

.card-button .mode-arrow.low {
  background: #b45309;
}

.card-button.red {
  color: #c62828;
}

.card-button.red::before,
.card-button.red::after {
  color: #d32f2f;
}

.card-button:not(.red)::before,
.card-button:not(.red)::after {
  color: #111827;
}

.card-button[data-suit="♠"],
.card-button[data-suit="♣"] {
  color: #111827;
}

.card-button[data-suit="♥"],
.card-button[data-suit="♦"] {
  color: #c62828;
}

.card-button[data-rank="JOKER"] {
  background: linear-gradient(135deg, #fdf4d7, #f7ead1);
  color: #7b4100;
}

.card-button[data-rank="JOKER"]::before,
.card-button[data-rank="JOKER"]::after {
  content: "JOKER";
  font-size: 0.5rem;
}

.card-button[data-rank="A"]::before,
.card-button[data-rank="A"]::after {
  content: "A";
}

.card-button[data-rank="K"]::before,
.card-button[data-rank="K"]::after {
  content: "K";
}

.card-button[data-rank="Q"]::before,
.card-button[data-rank="Q"]::after {
  content: "Q";
}

.card-button[data-rank="J"]::before,
.card-button[data-rank="J"]::after {
  content: "J";
}

.card-button[data-rank="10"]::before,
.card-button[data-rank="10"]::after {
  content: "10";
}

.card-button[data-rank="9"]::before,
.card-button[data-rank="9"]::after {
  content: "9";
}

.card-button[data-rank="8"]::before,
.card-button[data-rank="8"]::after {
  content: "8";
}

.card-button[data-rank="7"]::before,
.card-button[data-rank="7"]::after {
  content: "7";
}

.card-button[data-suit="♠"] .card-center,
.card-button[data-suit="♣"] .card-center,
.card-button[data-suit="♥"] .card-center,
.card-button[data-suit="♦"] .card-center {
  display: block;
}

.card-button .card-center {
  position: relative;
  display: block;
  font-size: 1.9rem;
  line-height: 1;
  z-index: 1;
}

.card-button .card-center::before {
  content: attr(data-suit);
  display: block;
}

.card-button[data-suit="♠"]::before,
.card-button[data-suit="♠"]::after,
.card-button[data-suit="♠"] .card-center {
  color: #111827;
}

.card-button[data-suit="♣"]::before,
.card-button[data-suit="♣"]::after,
.card-button[data-suit="♣"] .card-center {
  color: #111827;
}

.card-button[data-suit="♥"]::before,
.card-button[data-suit="♥"]::after,
.card-button[data-suit="♥"] .card-center {
  color: #d32f2f;
}

.card-button[data-suit="♦"]::before,
.card-button[data-suit="♦"]::after,
.card-button[data-suit="♦"] .card-center {
  color: #d32f2f;
}

.card-button[data-rank="JOKER"] .card-center {
  font-size: 1.5rem;
}

.card-button:disabled {
  opacity: 0.28;
  filter: saturate(0.6);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 21, 28, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.modal.hidden {
  display: none;
}

.modal-panel {
  width: min(420px, calc(100vw - 24px));
  background: rgba(18, 22, 28, 0.96);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.25);
  padding: 20px;
}

.modal-panel h3 {
  margin: 0 0 14px;
  color: var(--text);
}

.modal-grid {
  display: grid;
  gap: 14px;
}

.modal-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.modal-grid select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 320px;
  border-radius: 12px;
  padding: 12px 16px;
  background: rgba(16, 24, 40, 0.94);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}

.toast.error {
  border-color: rgba(238, 109, 109, 0.4);
  color: #ffd5d5;
}

.toast.success {
  border-color: rgba(61, 201, 138, 0.4);
  color: #d9ffe9;
}

.hidden {
  display: none !important;
}

.site-footer {
  margin-top: 12px;
  text-align: center;
  font-size: 0.8rem;
}

.site-footer a {
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--text);
}

/* Tricks taken in the scoreboard */
.score-box small {
  display: block;
}

.tricks-line {
  margin-top: 4px;
  color: var(--muted);
}

.tricks-line b {
  color: var(--accent);
  font-size: 1rem;
}

/* High / low choice for the ace and joker */
.mode-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.mode-buttons button {
  padding: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Rules page */
.rules-page .panel {
  line-height: 1.6;
}

.rules-content > :first-child {
  margin-top: 0;
}

.rules-content h1 {
  display: none;
}

.rules-content h2 {
  margin: 1.6em 0 0.6em;
  font-size: 1.3rem;
  color: var(--accent);
}

.rules-content h3 {
  margin: 1.2em 0 0.5em;
  font-size: 1.05rem;
  color: var(--text);
}

.rules-content p,
.rules-content li {
  color: var(--text);
}

.rules-content p {
  color: var(--muted);
}

.rules-content ul {
  margin: 0;
  padding-left: 1.3rem;
}

.rules-content li {
  margin: 0.3rem 0;
}

.rules-content li::marker {
  color: var(--primary);
}

.rules-content a {
  color: var(--primary);
  word-break: break-word;
}

.rules-content code {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

@media (max-width: 600px) {
  .topbar {
    flex-wrap: wrap;
    gap: 12px;
  }
}

/* AI skill pickers in the create-room form */
.ai-levels {
  display: contents;
}

.ai-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  vertical-align: middle;
  border: 1px solid currentColor;
}

.ai-badge.easy { color: var(--success); }
.ai-badge.medium { color: var(--primary); }
.ai-badge.hard { color: var(--danger); }