:root {
    --bg: #07080f;
    --bg2: #0d1020;
    --panel: #12142a;
    --panel2: #1a1e3c;
    --line: #242a52;
    --ink: #eef1ff;
    --dim: #8b93c4;
    --dim2: #5d6592;
    --cyan: #4ff0d0;
    --magenta: #ff4fd8;
    --gold: #ffd34d;
    --red: #ff4d6d;
    --violet: #9d7bff;
    --blue: #5b9dff;
    --orange: #ff9d4d;
    --teal: #3fd6c8;
    --pink: #ff7bbf;
    --rc: var(--cyan);
    --sq: 12px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--bg);
    color: var(--ink);
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
    overscroll-behavior: none;
}

body {
    display: flex;
    justify-content: center;
    background:
        radial-gradient(circle at 50% -10%, #171c3c 0%, transparent 55%),
        repeating-linear-gradient(60deg, rgba(79, 240, 208, 0.025) 0 2px, transparent 2px 46px),
        var(--bg);
}

.hidden { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }

#app {
    position: relative;
    width: min(100vw, 620px);
    height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: max(8px, env(safe-area-inset-top)) 10px max(8px, env(safe-area-inset-bottom));
    gap: 6px;
}

/* ============================================================== HUD */
.hud {
    flex: 0 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(180deg, var(--panel), var(--bg2));
    border: 1px solid var(--line);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.hud-side { display: flex; gap: 14px; }
.hud-side.right { justify-content: flex-end; }
.hud-stat { display: flex; flex-direction: column; line-height: 1.05; }
.hud-k { font-size: 9px; letter-spacing: 2px; color: var(--dim2); }
.hud-v { font-size: 18px; font-weight: 700; }
.hud-v.you { color: var(--cyan); }
.hud-v.them { color: var(--magenta); }
.hud-mid { display: flex; flex-direction: column; align-items: center; gap: 5px; min-width: 110px; }
.hud-phase { font-size: 10px; letter-spacing: 3px; color: var(--gold); }
.timebar { width: 110px; height: 5px; background: #1c2144; overflow: hidden; clip-path: polygon(3px 0, 100% 0, 100% calc(100% - 3px), calc(100% - 3px) 100%, 0 100%, 0 3px); }
.timebar i { display: block; height: 100%; width: 100%; background: var(--cyan); transition: width 90ms linear; }
.timebar.dbl i { background: var(--gold); }
.timebar.reveal i { background: var(--magenta); }

/* ============================================================ STAGE */
#stage {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 4px;
    overflow: hidden;
}

/* rule card */
.rulecard {
    position: relative;
    width: 100%;
    max-width: 460px;
    padding: 13px 16px 15px;
    text-align: center;
    background: linear-gradient(160deg, var(--panel2), var(--bg2));
    border: 1px solid var(--line);
    border-top: 3px solid var(--rc);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}
.rulecard.dbl { border-top-color: var(--gold); background: linear-gradient(160deg, #2b2410, #14142c); }
.rulecard.pop { animation: cardpop 260ms ease-out; }
@keyframes cardpop { from { transform: scale(0.95); opacity: 0.4; } to { transform: scale(1); opacity: 1; } }
.rule-top { display: flex; justify-content: space-between; align-items: center; font-size: 9px; letter-spacing: 2px; color: var(--dim2); }
.rule-badge { color: #14142c; background: var(--gold); padding: 2px 7px; font-weight: 700; letter-spacing: 1px; clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px); }
.rule-icon { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin: 6px auto 4px; font-size: 18px; font-weight: 700; color: #06070d; background: var(--rc); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.rule-title { font-size: clamp(18px, 4.6vw, 25px); font-weight: 800; letter-spacing: 2px; color: var(--rc); }
.rule-desc { font-size: clamp(11px, 2.7vw, 13px); color: var(--dim); margin-top: 4px; line-height: 1.35; }

/* per-rule colour */
.rulecard[data-rule="high"] { --rc: var(--cyan); }
.rulecard[data-rule="low"] { --rc: var(--blue); }
.rulecard[data-rule="odd"] { --rc: var(--violet); }
.rulecard[data-rule="seven_lose"] { --rc: var(--red); }
.rulecard[data-rule="seven_win"] { --rc: var(--gold); }
.rulecard[data-rule="nine_lose"] { --rc: var(--orange); }
.rulecard[data-rule="neighbor"] { --rc: var(--teal); }
.rulecard[data-rule="mirror"] { --rc: var(--pink); }

/* number pad */
.pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(6px, 1.6vw, 10px);
    width: min(92vw, 380px, 46vh);
    max-width: 100%;
}
.num {
    position: relative;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(20px, 5.2vh, 34px);
    font-weight: 800;
    color: var(--ink);
    background: linear-gradient(160deg, #1c2248, #10132a);
    border: 1px solid var(--line);
    clip-path: polygon(16% 0, 84% 0, 100% 16%, 100% 84%, 84% 100%, 16% 100%, 0 84%, 0 16%);
    transition: transform 90ms ease, background 120ms ease, color 120ms ease;
}
.num.selectable:hover { background: linear-gradient(160deg, #263060, #151a38); }
.num.selectable:active { transform: scale(0.94); }
.num.seven { background: linear-gradient(160deg, #3a1626, #1c0d18); border-color: #6d2440; color: #ffb3c4; }
.num.seven .num-mark { position: absolute; top: 7%; right: 12%; font-size: 0.42em; color: var(--red); }
.num.picked-you { background: linear-gradient(160deg, #0d4a44, #0a2a2a); color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 18px rgba(79, 240, 208, 0.5); }
.num.picked-them { background: linear-gradient(160deg, #4a0d3f, #2a0a24); color: var(--magenta); border-color: var(--magenta); box-shadow: 0 0 18px rgba(255, 79, 216, 0.5); }
.num.picked-both { background: linear-gradient(135deg, #0d4a44 0%, #4a0d3f 100%); color: #fff; border-color: var(--gold); box-shadow: 0 0 22px rgba(255, 211, 77, 0.6); }
.num.dimmed { opacity: 0.34; }
.num:disabled { cursor: default; }

/* reveal + teaser + history */
.reveal-tag {
    position: absolute;
    top: 38%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 6;
    padding: 8px 22px;
    font-size: clamp(20px, 6vw, 34px);
    font-weight: 800;
    letter-spacing: 2px;
    pointer-events: none;
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
    background: rgba(7, 8, 15, 0.86);
    border: 2px solid var(--rc);
}
.reveal-tag.win { color: var(--cyan); border-color: var(--cyan); }
.reveal-tag.lose { color: var(--magenta); border-color: var(--magenta); }
.reveal-tag.both { color: var(--gold); border-color: var(--gold); }
.reveal-tag.wash { color: var(--dim); border-color: var(--dim2); }
.reveal-tag.pop { animation: tagpop 220ms ease-out; }
@keyframes tagpop { from { transform: translate(-50%, -50%) scale(0.7); opacity: 0; } to { transform: translate(-50%, -50%) scale(1); opacity: 1; } }

.next-teaser { font-size: 10px; letter-spacing: 2px; color: var(--dim2); }
.history { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; max-width: 460px; min-height: 22px; }
.hchip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; font-size: 10px; background: var(--panel); border: 1px solid var(--line); color: var(--dim); clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px); }
.hchip i { color: var(--dim2); font-style: normal; }
.hchip b { color: var(--ink); }
.hchip.won { border-color: rgba(79, 240, 208, 0.55); }
.hchip.won b { color: var(--cyan); }
.hchip.lost { border-color: rgba(255, 79, 216, 0.45); }
.hchip.lost b { color: var(--magenta); }

.rival { display: flex; align-items: center; gap: 7px; font-size: 10px; letter-spacing: 2px; color: var(--dim2); }
.rival-dot { width: 8px; height: 8px; background: var(--dim2); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.rival.locked { color: var(--magenta); }
.rival.locked .rival-dot { background: var(--magenta); box-shadow: 0 0 10px var(--magenta); }

.fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 7; }

/* ========================================================= OVERLAY */
.overlay { position: absolute; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; padding: 4px; }
.overlay.hidden { display: none; }
.panel {
    width: 100%;
    max-width: 480px;
    max-height: 100%;
    overflow-y: auto;
    padding: 22px 20px 24px;
    text-align: center;
    background: linear-gradient(170deg, var(--panel), var(--bg2));
    border: 1px solid var(--line);
    clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.brand { font-size: clamp(26px, 8vw, 42px); font-weight: 800; letter-spacing: 2px; line-height: 0.95; }
.brand span { display: block; color: var(--red); text-shadow: 0 0 22px rgba(255, 77, 109, 0.5); }
.brand.small { font-size: clamp(18px, 5vw, 24px); }
.tagline { margin-top: 8px; font-size: 12px; color: var(--dim); }

.howto { margin: 18px 0 20px; text-align: left; display: flex; flex-direction: column; gap: 10px; }
.howto-row { display: flex; gap: 10px; align-items: flex-start; font-size: 12px; color: var(--dim); line-height: 1.4; }
.howto-row b { color: var(--ink); }
.chip { flex: 0 0 auto; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #06070d; background: var(--cyan); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.howto-note { margin: 2px 0 0; font-size: 11px; color: var(--dim2); }
.howto-note b.dbl { color: var(--gold); }
.lobby-hint { margin-top: 12px; font-size: 10px; color: var(--dim2); }

.btn {
    display: inline-block;
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    background: var(--panel2);
    border: 1px solid var(--line);
    color: var(--ink);
    clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
    transition: background 120ms ease, transform 90ms ease;
}
.btn:hover { background: #242b58; }
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--cyan); color: #04120f; border-color: var(--cyan); }
.btn.primary:hover { background: #7dfff0; }
.btn.ghost { background: transparent; color: var(--dim); }
.btn.tiny { padding: 7px 12px; font-size: 10px; }
.btn:disabled { opacity: 0.45; cursor: default; }

/* waiting / practice */
.wait-title { margin-top: 14px; font-size: 15px; font-weight: 700; letter-spacing: 1px; }
.wait-sub { margin-top: 4px; font-size: 11px; color: var(--dim2); }
.dots i { animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: 0.2s; }
.dots i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 60%, 100% { opacity: 0.2; } 30% { opacity: 1; } }
.practice { margin: 16px 0 14px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.practice-card { --rc: var(--cyan); width: 100%; max-width: 360px; padding: 9px 12px; border: 1px solid var(--line); border-left: 3px solid var(--rc); background: var(--bg2); text-align: left; }
.practice-card[data-rule="low"] { --rc: var(--blue); }
.practice-card[data-rule="odd"] { --rc: var(--violet); }
.practice-card[data-rule="seven_lose"] { --rc: var(--red); }
.practice-card[data-rule="seven_win"] { --rc: var(--gold); }
.practice-card[data-rule="nine_lose"] { --rc: var(--orange); }
.practice-card[data-rule="neighbor"] { --rc: var(--teal); }
.practice-card[data-rule="mirror"] { --rc: var(--pink); }
.practice-title { font-size: 14px; font-weight: 800; letter-spacing: 1px; color: var(--rc); }
.practice-desc { font-size: 10px; color: var(--dim); margin-top: 2px; }
.practice-pad { width: min(80vw, 300px); }
.practice-pad .num { font-size: clamp(16px, 4vh, 24px); }
.practice-result { min-height: 16px; font-size: 12px; color: var(--dim); }
.practice-result.ok { color: var(--cyan); }
.practice-result.no { color: var(--magenta); }
.practice-foot { font-size: 10px; color: var(--dim2); }
.practice-foot b { color: var(--gold); }

/* results */
.result-kicker { font-size: 10px; letter-spacing: 4px; color: var(--dim2); }
.result-banner { margin-top: 6px; font-size: clamp(26px, 8vw, 40px); font-weight: 800; letter-spacing: 2px; }
.result-banner.win { color: var(--cyan); text-shadow: 0 0 24px rgba(79, 240, 208, 0.5); }
.result-banner.lose { color: var(--magenta); text-shadow: 0 0 24px rgba(255, 79, 216, 0.45); }
.result-banner.draw { color: var(--gold); }
.result-score { margin-top: 4px; font-size: clamp(30px, 9vw, 48px); font-weight: 800; letter-spacing: 3px; }
.result-score #finalYou { color: var(--cyan); }
.result-score #finalThem { color: var(--magenta); }
.result-dash { color: var(--dim2); margin: 0 10px; }
.result-summary { margin-top: 6px; font-size: 12px; color: var(--dim); }
.recap { margin: 16px 0; display: flex; flex-direction: column; gap: 5px; }
.rc-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 6px 10px; font-size: 11px; background: var(--bg2); border-left: 3px solid var(--line); text-align: left; }
.rc-rule { color: var(--dim); }
.rc-nums { color: var(--ink); font-weight: 700; }
.rc-pts { color: var(--dim2); min-width: 62px; text-align: right; }
.rc-pts.won { color: var(--cyan); }
.rc-pts.lost { color: var(--magenta); }
.result-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.result-wait { margin-top: 12px; font-size: 11px; color: var(--dim2); }
.goodbye-msg { margin: 20px 0 22px; font-size: 13px; color: var(--dim); }

/* banner + toast + controls */
.pause-banner {
    position: absolute;
    left: 50%; bottom: 12px;
    transform: translateX(-50%);
    z-index: 25;
    display: flex; align-items: center; gap: 10px;
    padding: 9px 14px;
    font-size: 11px; color: var(--ink);
    background: rgba(12, 14, 30, 0.95);
    border: 1px solid var(--red);
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.pause-dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; animation: blink 1s infinite; }
.toast { position: absolute; left: 50%; top: 14px; transform: translateX(-50%); z-index: 30; padding: 8px 16px; font-size: 11px; background: rgba(12, 14, 30, 0.96); border: 1px solid var(--line); }
.controls { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 4px 2px; }
.reactions { display: flex; gap: 6px; }
.reaction { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; font-size: 16px; background: var(--panel); border: 1px solid var(--line); clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.reaction:active { transform: scale(0.92); }
.controls-right { display: flex; align-items: center; gap: 8px; }
.emoji-float { position: absolute; z-index: 15; font-size: 28px; animation: floatup 1.4s ease-out forwards; pointer-events: none; }
@keyframes floatup { from { transform: translateY(0) scale(0.6); opacity: 0; } 30% { opacity: 1; } to { transform: translateY(-90px) scale(1.15); opacity: 0; } }

@media (max-width: 380px) {
    .hud-v { font-size: 15px; }
    .timebar { width: 84px; }
    .hud-mid { min-width: 88px; }
}
@media (max-height: 560px) {
    .rulecard { padding: 8px 12px 10px; }
    .rule-icon { width: 28px; height: 28px; margin: 3px auto 2px; font-size: 14px; }
    .history { display: none; }
}