:root {
  --navy: #1d2b5c;
  --navy-2: #26386f;
  --navy-3: #31468a;
  --cream: #fff8e7;
  --paper: #f4ecd8;
  --ink: #1d2b5c;
  --muted: #6b7394;
  --red: #e2384d;
  --yellow: #ffd23f;
  --orange: #f6a23a;
  --ice: #9fd8f5;
  --green: #3fae6a;
  --radius: 14px;
  --shadow: 0 6px 18px rgba(10, 16, 40, 0.25);
  --card-w: 58px;
  --card-h: 82px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
  background: radial-gradient(circle at 20% 0%, var(--navy-3), var(--navy) 60%) fixed;
  color: var(--cream);
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  border-radius: 10px;
  padding: 0.6em 1.1em;
  font-weight: 700;
  transition: transform 0.08s, filter 0.15s, opacity 0.15s;
}
button:active {
  transform: translateY(1px) scale(0.98);
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
button.primary {
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 4px 0 #c79a0c;
}
button.secondary {
  background: var(--cream);
  color: var(--navy);
  box-shadow: 0 4px 0 #c9bd9e;
}
button.danger {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 0 #a01d2f;
}
button.ghost {
  background: transparent;
  color: var(--cream);
  border: 2px solid rgba(255, 248, 231, 0.4);
}
button.ghost:hover {
  border-color: var(--cream);
}
button.big {
  font-size: 1.15rem;
  padding: 0.8em 1.4em;
}
button.small {
  padding: 0.3em 0.7em;
  font-size: 0.85rem;
}

input {
  font: inherit;
  padding: 0.7em 0.9em;
  border-radius: 10px;
  border: 2px solid #cfc4a8;
  background: #fff;
  color: var(--ink);
  min-width: 0;
}
input:focus {
  outline: 3px solid var(--yellow);
  border-color: var(--navy);
}

.hidden {
  display: none !important;
}
.muted {
  color: var(--muted);
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
}
.logo {
  font-family: 'Arial Black', Impact, sans-serif;
  font-size: 1.8rem;
  letter-spacing: 2px;
  color: var(--yellow);
  text-shadow: 3px 3px 0 var(--red);
}
.logo span {
  color: var(--cream);
  margin-left: 4px;
}
.topbar-actions {
  display: flex;
  gap: 8px;
}

.banner {
  background: var(--red);
  color: #fff;
  text-align: center;
  padding: 8px;
  font-weight: 700;
}

/* ---------- panels ---------- */
.screen {
  padding: 8px 16px 24px;
}
.panel {
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 3px solid var(--navy);
  outline: 3px solid var(--cream);
}
.home-panel,
.lobby-panel {
  max-width: 440px;
  margin: 24px auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lobby-panel {
  max-width: 520px;
}
.lobby-panel h1 {
  margin: 0;
}
.lobby-panel h2 {
  margin: 8px 0 0;
  font-size: 1.1rem;
}
.lobby-panel p {
  margin: 0;
}
.tagline {
  text-align: center;
  margin: 0;
  font-weight: 700;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-weight: 700;
}
.divider {
  text-align: center;
  color: var(--muted);
  border-top: 1px solid #d9cfb5;
  margin-top: 8px;
}
.divider span {
  position: relative;
  top: -0.75em;
  background: var(--cream);
  padding: 0 10px;
}
.join-row,
.share-row,
.row {
  display: flex;
  gap: 10px;
}
.join-row input,
.share-row input {
  flex: 1;
}
.code-input {
  text-transform: uppercase;
  letter-spacing: 6px;
  font-weight: 700;
  text-align: center;
}
.code {
  background: var(--navy);
  color: var(--yellow);
  padding: 2px 10px;
  border-radius: 8px;
  letter-spacing: 4px;
}
.hero-cards {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 4px;
}
.hero-cards .card:nth-child(1) {
  transform: rotate(-10deg) translateY(6px);
}
.hero-cards .card:nth-child(3) {
  transform: rotate(10deg) translateY(6px);
}

.lobby-players {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lobby-players li {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 2px solid #e3d9bf;
  border-radius: 10px;
  padding: 6px 10px;
}
.lobby-players li .name {
  flex: 1;
  font-weight: 700;
}
.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream);
  white-space: nowrap;
}
.badge.host {
  background: var(--yellow);
  color: var(--navy);
}
.badge.offline {
  background: #999;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
}
.dot.off {
  background: #aaa;
}

/* ---------- cards ---------- */
.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: 8px;
  background: var(--cream);
  border: 2px solid var(--navy);
  box-shadow: inset 0 0 0 3px var(--cream), inset 0 0 0 5px rgba(29, 43, 92, 0.25), 0 3px 6px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  position: relative;
  font-family: 'Arial Black', Impact, sans-serif;
  color: var(--navy);
  user-select: none;
}
.card b {
  font-size: 1.9rem;
  line-height: 1;
  -webkit-text-stroke: 1px var(--navy);
}
.card.num.v0 b { color: #8a8a8a; }
.card.num.v1 b { color: #a07b52; }
.card.num.v2 b { color: #3fae6a; }
.card.num.v3 b { color: #e2384d; }
.card.num.v4 b { color: #2f7fd0; }
.card.num.v5 b { color: #3fae6a; }
.card.num.v6 b { color: #a24ec7; }
.card.num.v7 b { color: #e27d2b; }
.card.num.v8 b { color: #6fbf4a; }
.card.num.v9 b { color: #e2384d; }
.card.num.v10 b { color: #c13a74; }
.card.num.v11 b { color: #2a9d8f; }
.card.num.v12 b { color: #5b5fc7; }

.card.mod {
  background: var(--orange);
  box-shadow: inset 0 0 0 3px var(--orange), inset 0 0 0 5px rgba(255, 255, 255, 0.6), 0 3px 6px rgba(0, 0, 0, 0.25);
}
.card.mod b {
  font-size: 1.4rem;
  color: #fff;
}
.card.act {
  font-size: 0.62rem;
  text-align: center;
  font-family: inherit;
  font-weight: 900;
  letter-spacing: 0.5px;
  flex-direction: column;
  gap: 2px;
  text-transform: uppercase;
}
.card.act .ico {
  font-size: 1.4rem;
}
.card.act.freeze {
  background: var(--ice);
  box-shadow: inset 0 0 0 3px var(--ice), inset 0 0 0 5px #fff, 0 3px 6px rgba(0, 0, 0, 0.25);
}
.card.act.flip3 {
  background: var(--yellow);
  box-shadow: inset 0 0 0 3px var(--yellow), inset 0 0 0 5px #fff, 0 3px 6px rgba(0, 0, 0, 0.25);
}
.card.act.secondChance {
  background: var(--red);
  color: #fff;
  box-shadow: inset 0 0 0 3px var(--red), inset 0 0 0 5px #fff, 0 3px 6px rgba(0, 0, 0, 0.25);
}
.card.bust {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red), 0 3px 6px rgba(0, 0, 0, 0.25);
  transform: rotate(8deg);
}
.card.new {
  animation: dealIn 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.3);
}
@keyframes dealIn {
  from {
    transform: translateY(-40px) rotateY(90deg) scale(0.7);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

/* ---------- game ---------- */
.game-info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.pill {
  background: rgba(255, 248, 231, 0.12);
  border: 1px solid rgba(255, 248, 231, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
}
.code-pill {
  letter-spacing: 3px;
  font-weight: 700;
  color: var(--yellow);
}
.game-info .leaveBtn {
  margin-left: auto;
}

.game-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 16px;
  align-items: start;
}
.table {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.opponents {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}

.seat {
  background: rgba(255, 248, 231, 0.08);
  border: 2px solid rgba(255, 248, 231, 0.18);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  transition: border-color 0.2s, box-shadow 0.2s, opacity 0.2s;
  position: relative;
}
.seat.turn {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255, 210, 63, 0.35), 0 0 24px rgba(255, 210, 63, 0.25);
}
.seat.busted {
  opacity: 0.6;
}
.seat.busted .cards {
  filter: grayscale(0.7);
}
.seat.frozen {
  background: rgba(159, 216, 245, 0.15);
}
.seat.stayed {
  background: rgba(63, 174, 106, 0.12);
}
.seat.targetable {
  cursor: pointer;
  border-color: var(--red);
  animation: pulse 1s infinite alternate;
}
@keyframes pulse {
  to {
    box-shadow: 0 0 0 5px rgba(226, 56, 77, 0.45);
  }
}
.seat-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.seat-head .name {
  font-weight: 800;
  overflow-wrap: anywhere;
}
.seat-head .grow {
  flex: 1;
}
.seat-head .score {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--yellow);
  white-space: nowrap;
}
.seat-head .score small {
  color: var(--cream);
  opacity: 0.7;
  font-weight: 400;
  font-size: 0.75rem;
}
.status {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  white-space: nowrap;
}
.status.busted {
  background: var(--red);
}
.status.frozen {
  background: var(--ice);
  color: var(--navy);
}
.status.stayed {
  background: var(--green);
}
.status.dealer {
  background: var(--cream);
  color: var(--navy);
}
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: var(--card-h);
  align-items: flex-end;
}
.cards.top {
  min-height: 0;
  margin-bottom: -4px;
}
.cards.top .card {
  height: calc(var(--card-h) * 0.62);
}
.opponents .seat {
  --card-w: 42px;
  --card-h: 60px;
}
.opponents .card b {
  font-size: 1.35rem;
}
.opponents .card.mod b {
  font-size: 1rem;
}
.opponents .card.act {
  font-size: 0.45rem;
}
.opponents .card.act .ico {
  font-size: 1rem;
}
.flip7-badge {
  position: absolute;
  top: -12px;
  right: 12px;
  background: var(--yellow);
  color: var(--navy);
  font-weight: 900;
  padding: 2px 10px;
  border-radius: 8px;
  transform: rotate(4deg);
  box-shadow: var(--shadow);
}
.progress {
  display: flex;
  gap: 3px;
}
.progress i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.18);
}
.progress i.on {
  background: var(--yellow);
}

.me .seat {
  background: rgba(255, 248, 231, 0.14);
  padding: 14px 16px;
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-height: 70px;
  text-align: center;
}
.controls .prompt {
  font-weight: 800;
  font-size: 1.1rem;
}
.controls .buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.controls .buttons button {
  min-width: 150px;
}
.target-buttons button {
  min-width: 0 !important;
}

.sidebar {
  background: rgba(0, 0, 0, 0.18);
  border-radius: var(--radius);
  padding: 12px;
  position: sticky;
  top: 12px;
}
.sidebar h3 {
  margin: 4px 0 8px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
}
.scoreboard {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}
.scoreboard li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.scoreboard .rank {
  width: 1.5em;
  opacity: 0.7;
}
.scoreboard .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.scoreboard .bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2px;
}
.scoreboard .bar i {
  display: block;
  height: 100%;
  background: var(--yellow);
}
.scoreboard .pts {
  font-weight: 800;
}
.log {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 340px;
  overflow-y: auto;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column-reverse;
}
.log li {
  padding: 3px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  opacity: 0.9;
}
.log li.round {
  font-weight: 800;
  color: var(--yellow);
}

/* ---------- overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 40, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
}
.overlay-panel {
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.overlay-panel h2 {
  margin-top: 0;
}
.results {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 18px;
}
.results td,
.results th {
  padding: 6px 4px;
  border-bottom: 1px solid #e3d9bf;
  text-align: left;
}
.results td.n,
.results th.n {
  text-align: right;
}
.results tr.winner {
  background: #fff1b8;
  font-weight: 800;
}
.rules-panel {
  max-width: 720px;
}
.rules-panel h2 {
  font-size: 1.1rem;
  margin: 18px 0 6px;
  color: var(--red);
}
.rules-panel h2:first-child {
  margin-top: 0;
}
.close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: transparent;
  color: var(--ink);
  font-size: 1.6rem;
  padding: 0 8px;
}
.trophy {
  font-size: 3rem;
  text-align: center;
}

/* ---------- toasts ---------- */
.toasts {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 30;
  pointer-events: none;
  width: min(92vw, 460px);
}
.toast {
  background: var(--cream);
  color: var(--ink);
  border: 3px solid var(--navy);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  box-shadow: var(--shadow);
  text-align: center;
  animation: toastIn 0.3s ease-out, toastOut 0.4s ease-in 2.6s forwards;
}
.toast.bad {
  background: var(--red);
  color: #fff;
}
.toast.good {
  background: var(--yellow);
}
.toast.ice {
  background: var(--ice);
}
@keyframes toastIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
}
@keyframes toastOut {
  to {
    transform: translateY(-10px);
    opacity: 0;
  }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .game-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .log {
    max-height: 200px;
  }
}
@media (max-width: 520px) {
  :root {
    --card-w: 46px;
    --card-h: 66px;
  }
  .card b {
    font-size: 1.45rem;
  }
  .opponents {
    grid-template-columns: 1fr;
  }
  .controls .buttons button {
    min-width: 120px;
  }
  .logo {
    font-size: 1.4rem;
  }
  .panel {
    padding: 18px;
  }
}