/* ============== Almost Uno — Neon Arcade Theme ============== */
:root {
  --red: #ff3b54;
  --yellow: #ffd23b;
  --green: #2bd96b;
  --blue: #38a6ff;
  --red-glow: rgba(255, 59, 84, 0.65);
  --yellow-glow: rgba(255, 210, 59, 0.65);
  --green-glow: rgba(43, 217, 107, 0.6);
  --blue-glow: rgba(56, 166, 255, 0.6);

  --bg-0: #06070f;
  --bg-1: #0c1024;
  --felt: #0a2a1f;
  --panel: rgba(18, 22, 44, 0.82);
  --panel-border: rgba(120, 150, 255, 0.18);
  --text: #eef1ff;
  --text-dim: #93a0c7;
  --accent: #8a7bff;
  --accent-2: #34e7e4;

  --card-w: clamp(58px, 13vw, 86px);
  --radius: 14px;
  --font: 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  color: var(--text);
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 50% -10%, #16204a 0%, var(--bg-1) 45%, var(--bg-0) 100%);
}
#app { height: 100%; width: 100%; position: relative; }
button { font-family: var(--font); cursor: pointer; }
.hidden { display: none !important; }

/* ============== Animated neon backdrop ============== */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(90, 120, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 120, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 80%);
}
.blob { position: fixed; border-radius: 50%; filter: blur(90px); opacity: 0.35; z-index: 0; pointer-events: none; animation: drift 18s ease-in-out infinite; }
.blob.b1 { width: 420px; height: 420px; background: var(--red); top: -120px; left: -120px; }
.blob.b2 { width: 380px; height: 380px; background: var(--blue); bottom: -120px; right: -100px; animation-delay: -6s; }
.blob.b3 { width: 320px; height: 320px; background: var(--accent); top: 40%; right: 30%; animation-delay: -11s; }
@keyframes drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px,30px) scale(1.15); } }

/* ============== Screens ============== */
.screen { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 18px; }

/* ---- Home ---- */
.brand { text-align: center; margin-bottom: 8px; }
.brand h1 {
  font-size: clamp(40px, 11vw, 92px); margin: 0; letter-spacing: 4px; font-weight: 900;
  background: linear-gradient(90deg, var(--red), var(--yellow), var(--green), var(--blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px rgba(120,150,255,0.5));
  animation: hue 8s linear infinite;
}
@keyframes hue { to { filter: drop-shadow(0 0 18px rgba(120,150,255,0.5)) hue-rotate(360deg); } }
.brand .sub { color: var(--text-dim); letter-spacing: 6px; font-size: clamp(10px, 2.6vw, 14px); text-transform: uppercase; margin-top: 4px; }

.card-panel {
  width: min(460px, 94vw); background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: 20px; padding: 22px; backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  margin-top: 18px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 6px; }
input[type=text] {
  width: 100%; padding: 13px 14px; border-radius: 12px; border: 1px solid var(--panel-border);
  background: rgba(0,0,0,0.35); color: var(--text); font-size: 16px; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input[type=text]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(138,123,255,0.25); }
.code-input { text-transform: uppercase; letter-spacing: 8px; text-align: center; font-weight: 800; font-size: 24px; }

.btn {
  width: 100%; padding: 14px; border: none; border-radius: 12px; font-size: 16px; font-weight: 800;
  color: #fff; background: linear-gradient(135deg, var(--accent), #5d54d6);
  box-shadow: 0 8px 24px rgba(90,80,210,0.4); transition: transform .08s, box-shadow .2s, filter .2s;
  letter-spacing: .5px;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(2px) scale(.99); }
.btn.secondary { background: linear-gradient(135deg, #2a3158, #1b2142); box-shadow: none; border: 1px solid var(--panel-border); }
.btn.ghost { background: transparent; border: 1px solid var(--panel-border); box-shadow: none; color: var(--text-dim); }
.btn.small { width: auto; padding: 9px 14px; font-size: 13px; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; }
.toggle-row .label-main { font-weight: 700; }
.toggle-row .label-sub { font-size: 12px; color: var(--text-dim); }
.switch { position: relative; width: 52px; height: 28px; flex: 0 0 auto; }
.switch input { display: none; }
.switch .slider { position: absolute; inset: 0; background: #2a3158; border-radius: 999px; transition: .2s; border: 1px solid var(--panel-border); }
.switch .slider::before { content: ''; position: absolute; width: 22px; height: 22px; left: 3px; top: 2px; background: #fff; border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: linear-gradient(135deg, var(--green), #18b85a); }
.switch input:checked + .slider::before { transform: translateX(24px); }

.seg { display: flex; gap: 6px; background: rgba(0,0,0,0.3); padding: 5px; border-radius: 12px; border: 1px solid var(--panel-border); }
.seg button { flex: 1; padding: 9px; border: none; border-radius: 8px; background: transparent; color: var(--text-dim); font-weight: 700; font-size: 13px; }
.seg button.active { background: linear-gradient(135deg, var(--accent), #5d54d6); color: #fff; }

.divider { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 12px; margin: 16px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--panel-border); }

/* ---- Lobby ---- */
.lobby-code { text-align: center; margin-bottom: 12px; }
.lobby-code .code { font-size: clamp(34px, 9vw, 56px); font-weight: 900; letter-spacing: 10px; color: var(--accent-2); text-shadow: 0 0 24px rgba(52,231,228,0.5); }
.lobby-code .hint { color: var(--text-dim); font-size: 13px; }
.player-list { list-style: none; padding: 0; margin: 8px 0 16px; }
.player-list li { display: flex; align-items: center; gap: 10px; padding: 11px 14px; background: rgba(0,0,0,0.25); border: 1px solid var(--panel-border); border-radius: 12px; margin-bottom: 8px; }
.player-list .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green-glow); }
.player-list .dot.bot { background: var(--text-dim); box-shadow: none; }
.player-list .tag { margin-left: auto; font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }
.player-list .you-tag { color: var(--accent-2); }

/* ============== Game table ============== */
#game { padding: 0; }
.table {
  position: absolute; inset: 0; z-index: 1; display: grid;
  grid-template-rows: auto 1fr auto auto;
  background:
    radial-gradient(900px 600px at 50% 42%, rgba(43,120,90,0.35), transparent 70%),
    radial-gradient(circle at 50% 42%, #0e3a2a 0%, #07241a 60%, #04130d 100%);
}
.topbar { display: flex; align-items: center; gap: 8px; padding: 10px 12px; z-index: 5; }
.topbar .room-chip { font-weight: 800; letter-spacing: 3px; background: rgba(0,0,0,0.35); padding: 7px 12px; border-radius: 10px; border: 1px solid var(--panel-border); font-size: 13px; }
.topbar .spacer { flex: 1; }
.icon-btn { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--panel-border); background: rgba(0,0,0,0.35); color: var(--text); font-size: 18px; display: grid; place-items: center; }
.icon-btn.active { border-color: var(--accent); color: var(--accent-2); }

/* Drink meter */
.drink-meter { display: flex; align-items: center; gap: 8px; background: rgba(0,0,0,0.35); padding: 6px 10px; border-radius: 10px; border: 1px solid var(--panel-border); }
.drink-meter .bars { display: flex; gap: 3px; }
.drink-meter .bars i { width: 7px; height: 16px; border-radius: 2px; background: #2a3158; display: block; }
.drink-meter .bars i.on { background: linear-gradient(180deg, var(--yellow), var(--red)); box-shadow: 0 0 8px var(--yellow-glow); }
.drink-meter .lvl { font-size: 11px; color: var(--text-dim); white-space: nowrap; }

/* Opponents */
.opponents { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-content: flex-start; padding: 4px 12px; z-index: 3; }
.opp {
  display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 86px;
  padding: 8px 12px; border-radius: 14px; background: rgba(8,12,28,0.6); border: 1px solid var(--panel-border);
  transition: box-shadow .25s, border-color .25s, transform .25s;
}
.opp.turn { border-color: var(--accent-2); box-shadow: 0 0 0 2px rgba(52,231,228,0.4), 0 0 24px rgba(52,231,228,0.35); transform: translateY(2px); }
.opp .avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), #5d54d6); display: grid; place-items: center; font-weight: 800; font-size: 16px; }
.opp.bot .avatar { background: linear-gradient(135deg, #3a4470, #232a4d); }
.opp .nm { font-size: 12px; font-weight: 700; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.opp .mini-cards { display: flex; }
.opp .mini-cards i { width: 11px; height: 16px; margin-left: -5px; border-radius: 2px; background: linear-gradient(135deg, #444c7a, #232a4d); border: 1px solid rgba(255,255,255,0.15); }
.opp .count { font-size: 11px; color: var(--text-dim); }
.opp .uno-badge { font-size: 10px; font-weight: 900; color: #04130d; background: var(--yellow); padding: 1px 6px; border-radius: 6px; letter-spacing: 1px; animation: pulse 1s infinite; }
.opp .catch-btn { font-size: 10px; padding: 2px 7px; border-radius: 6px; border: none; background: var(--red); color: #fff; font-weight: 800; animation: pulse 0.7s infinite; }
@keyframes pulse { 50% { transform: scale(1.08); filter: brightness(1.2); } }

/* Center / play area */
.center { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 5vw, 40px); z-index: 2; position: relative; }
.pile { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pile .pile-label { font-size: 10px; text-transform: uppercase; letter-spacing: 2px; color: var(--text-dim); }
.deck-stack { position: relative; width: var(--card-w); height: calc(var(--card-w) * 1.5); }
.deck-stack .deck-card { position: absolute; inset: 0; border-radius: var(--radius); background: linear-gradient(135deg, #2b3566, #161b3b); border: 2px solid rgba(255,255,255,0.1); }
.deck-stack .deck-card.back { background:
    repeating-linear-gradient(45deg, #1b2350 0 8px, #232c63 8px 16px);
  display: grid; place-items: center; }
.deck-stack .deck-card.back::after { content: 'UNO'; font-weight: 900; font-style: italic; color: rgba(255,255,255,0.85); transform: rotate(-18deg); font-size: calc(var(--card-w) * 0.26); text-shadow: 0 2px 0 rgba(0,0,0,0.4); }
.deck-stack.clickable { cursor: pointer; }
.deck-stack.clickable:hover { transform: translateY(-3px); }
.deck-count { font-size: 11px; color: var(--text-dim); }

.color-indicator { width: 30px; height: 30px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.3); transition: background .3s, box-shadow .3s; }
.dir-arrow { font-size: 26px; color: var(--accent-2); opacity: .8; }
.dir-arrow.rev { transform: scaleX(-1); }
.pending-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--red); color: #fff; font-weight: 900; padding: 4px 10px; border-radius: 999px; box-shadow: 0 0 18px var(--red-glow); animation: pulse 0.8s infinite; z-index: 6; }

/* Cards */
.card {
  width: var(--card-w); height: calc(var(--card-w) * 1.5); border-radius: var(--radius);
  position: relative; display: grid; place-items: center; font-weight: 900;
  border: 2px solid rgba(255,255,255,0.85); box-shadow: 0 6px 16px rgba(0,0,0,0.45);
  user-select: none; transition: transform .12s ease, box-shadow .2s; overflow: hidden;
  background: #222;
}
.card .corner { position: absolute; font-size: calc(var(--card-w) * 0.2); line-height: 1; }
.card .corner.tl { top: 5px; left: 7px; }
.card .corner.br { bottom: 5px; right: 7px; transform: rotate(180deg); }
.card .pip { font-size: calc(var(--card-w) * 0.52); text-shadow: 0 2px 0 rgba(0,0,0,0.25); }
.card .oval { position: absolute; width: 78%; height: 60%; background: rgba(255,255,255,0.92); border-radius: 50%; transform: rotate(-25deg); }
.card .face { position: relative; z-index: 2; }
.card.red { background: linear-gradient(150deg, #ff5067, var(--red)); box-shadow: 0 6px 16px rgba(0,0,0,0.45), 0 0 18px var(--red-glow); }
.card.yellow { background: linear-gradient(150deg, #ffdf5e, var(--yellow)); box-shadow: 0 6px 16px rgba(0,0,0,0.45), 0 0 18px var(--yellow-glow); color: #5b4a00; }
.card.green { background: linear-gradient(150deg, #4fe88a, var(--green)); box-shadow: 0 6px 16px rgba(0,0,0,0.45), 0 0 18px var(--green-glow); }
.card.blue { background: linear-gradient(150deg, #5cb8ff, var(--blue)); box-shadow: 0 6px 16px rgba(0,0,0,0.45), 0 0 18px var(--blue-glow); }
.card.wild { background: conic-gradient(var(--red) 0 25%, var(--blue) 0 50%, var(--green) 0 75%, var(--yellow) 0 100%); }
.card.wild .face, .card.wild .corner { color: #fff; -webkit-text-stroke: 1px rgba(0,0,0,0.5); }
.card .oval-text { position: relative; z-index: 2; color: inherit; }
.card.red .oval ~ .face, .card.green .oval ~ .face, .card.blue .oval ~ .face { color: #fff; }
.card.yellow .oval ~ .face { color: #b06f00; }

/* Hand */
.hand-zone { z-index: 4; padding: 6px 10px 14px; }
.hand-meta { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 4px; min-height: 22px; }
.turn-flag { font-size: 13px; font-weight: 800; color: var(--accent-2); text-shadow: 0 0 12px rgba(52,231,228,0.5); }
.turn-flag.wait { color: var(--text-dim); text-shadow: none; }
.hand {
  display: flex; justify-content: center; align-items: flex-end; gap: 0; min-height: calc(var(--card-w) * 1.5 + 16px);
  overflow-x: auto; overflow-y: visible; padding: 12px 8px 6px; scrollbar-width: thin;
}
.hand .card { margin-left: calc(var(--card-w) * -0.42); flex: 0 0 auto; transition: transform .14s, margin .14s; }
.hand .card:first-child { margin-left: 0; }
.hand .card.playable { cursor: pointer; }
.hand .card.playable:hover, .hand .card.playable.lift { transform: translateY(-22px) scale(1.04); box-shadow: 0 14px 28px rgba(0,0,0,0.5), 0 0 22px var(--accent-2); z-index: 10; }
.hand .card.dim { filter: brightness(0.55) saturate(0.7); }
.hand.compact .card { margin-left: calc(var(--card-w) * -0.55); }

.actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; padding-bottom: 6px; }
.action-btn { padding: 11px 18px; border-radius: 12px; border: none; font-weight: 800; font-size: 14px; color: #fff; background: linear-gradient(135deg, #2a3158, #1b2142); border: 1px solid var(--panel-border); }
.action-btn.draw { background: linear-gradient(135deg, var(--blue), #1f6fbf); }
.action-btn.uno { background: linear-gradient(135deg, var(--yellow), #d99e00); color: #4a3800; box-shadow: 0 0 20px var(--yellow-glow); }
.action-btn:disabled { opacity: .35; filter: grayscale(.5); }

/* Coach panel */
.coach {
  position: absolute; right: 12px; top: 64px; width: min(320px, 82vw); max-height: 60vh; z-index: 12;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 16px;
  backdrop-filter: blur(12px); box-shadow: 0 20px 50px rgba(0,0,0,0.5); display: flex; flex-direction: column;
  transition: transform .3s, opacity .3s;
}
.coach.collapsed { transform: translateX(115%); opacity: 0; pointer-events: none; }
.coach .coach-head { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--panel-border); }
.coach .coach-head .ico { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-2), #1f9fb0); display: grid; place-items: center; font-size: 16px; }
.coach .coach-head .t { font-weight: 800; font-size: 14px; }
.coach .coach-head .t small { display: block; font-weight: 500; color: var(--text-dim); font-size: 11px; }
.coach .feed { overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 9px; }
.coach .msg { background: rgba(0,0,0,0.3); border-left: 3px solid var(--accent-2); padding: 9px 11px; border-radius: 8px; font-size: 13px; line-height: 1.45; animation: slideIn .3s ease; }
.coach .msg.react { border-left-color: var(--accent); }
.coach .msg.maxim { border-left-color: var(--yellow); }
.coach .msg.tip { border-left-color: var(--green); }
@keyframes slideIn { from { opacity: 0; transform: translateY(8px); } }
.coach .coach-foot { padding: 10px 14px; border-top: 1px solid var(--panel-border); display: flex; gap: 8px; }
.coach .coach-foot button { flex: 1; }

.coach-fab { position: absolute; right: 14px; bottom: 96px; z-index: 11; }

/* Modals */
.modal-bg { position: absolute; inset: 0; z-index: 30; background: rgba(2,4,12,0.7); display: grid; place-items: center; backdrop-filter: blur(4px); }
.modal { width: min(440px, 92vw); background: var(--panel); border: 1px solid var(--panel-border); border-radius: 20px; padding: 24px; text-align: center; box-shadow: 0 30px 70px rgba(0,0,0,0.6); }
.modal h2 { margin: 0 0 6px; font-size: 26px; }
.color-picker { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.color-choice { aspect-ratio: 1.1; border-radius: 14px; border: 3px solid rgba(255,255,255,0.3); font-weight: 900; font-size: 16px; color: #fff; text-shadow: 0 2px 4px rgba(0,0,0,0.4); transition: transform .1s; }
.color-choice:active { transform: scale(.95); }
.color-choice.red { background: var(--red); } .color-choice.yellow { background: var(--yellow); color: #5b4a00; text-shadow: none; }
.color-choice.green { background: var(--green); } .color-choice.blue { background: var(--blue); }

.scoreboard { list-style: none; padding: 0; margin: 14px 0; text-align: left; }
.scoreboard li { display: flex; justify-content: space-between; padding: 8px 12px; background: rgba(0,0,0,0.25); border-radius: 8px; margin-bottom: 6px; }
.trophy { font-size: 56px; animation: pop .5s ease; }
@keyframes pop { 0% { transform: scale(0); } 70% { transform: scale(1.2); } }

/* Toast */
.toast-wrap { position: absolute; bottom: 50%; left: 50%; transform: translateX(-50%); z-index: 40; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: rgba(8,12,28,0.92); border: 1px solid var(--panel-border); padding: 12px 20px; border-radius: 12px; font-weight: 700; box-shadow: 0 10px 30px rgba(0,0,0,0.5); animation: toastIn .25s ease; }
.toast.big { font-size: 22px; color: var(--accent-2); text-shadow: 0 0 16px rgba(52,231,228,0.5); }
.toast.err { border-color: var(--red); color: var(--red); }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-14px); } }

/* Discard throw animation */
.thrown { animation: thrown .35s cubic-bezier(.2,.8,.3,1.2); }
@keyframes thrown { from { transform: translateY(-40px) rotate(-12deg) scale(1.2); opacity: 0; } }

/* Confetti */
.confetti { position: absolute; top: -10px; width: 9px; height: 14px; z-index: 35; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(540deg); opacity: 0.9; } }

/* ============== Responsive ============== */
@media (max-width: 640px) {
  :root { --card-w: clamp(50px, 16vw, 70px); }
  .coach { top: auto; bottom: 0; right: 0; left: 0; width: 100%; max-height: 48vh; border-radius: 16px 16px 0 0; }
  .coach.collapsed { transform: translateY(115%); }
  .coach-fab { bottom: 12px; right: 12px; }
  .opp { min-width: 70px; padding: 6px 8px; }
  .topbar { flex-wrap: wrap; }
}
@media (max-height: 560px) {
  .opponents { padding: 2px 8px; }
  .hand { padding-top: 6px; }
}