/* Sentence Match — Neon Circuit Board aesthetic */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────────── */
:root {
    --sm-bg-dark: #0a0e17;
    --sm-bg-mid: #111827;
    --sm-bg-card: #151c2c;
    --sm-neon-cyan: #00fff2;
    --sm-neon-pink: #ff2d95;
    --sm-neon-amber: #ffb800;
    --sm-neon-green: #39ff14;
    --sm-text: #e2e8f0;
    --sm-text-dim: #64748b;
    --sm-wire: #1e293b;
    --sm-wire-glow: rgba(0, 255, 242, 0.15);
    --sm-danger: #ef4444;
    --sm-success: #22c55e;
}

/* ── Container ─────────────────────────────────── */
.sm-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 12px;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ── Header bar ────────────────────────────────── */
.sm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--sm-bg-card);
    border: 1px solid var(--sm-wire);
    border-radius: 14px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.sm-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--sm-neon-cyan), transparent);
    opacity: 0.6;
}

.sm-stat {
    text-align: center;
    line-height: 1.4;
}

.sm-stat-value {
    display: block;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 18px;
    color: var(--sm-neon-amber);
    text-shadow: 0 0 10px rgba(255, 184, 0, 0.4);
    transition: transform 0.15s ease;
}

.sm-stat-value.bump {
    transform: scale(1.3);
}

.sm-stat-value.timer {
    color: var(--sm-neon-cyan);
    text-shadow: 0 0 12px rgba(0, 255, 242, 0.5);
    font-variant-numeric: tabular-nums;
}

.sm-stat-value.timer.danger {
    color: var(--sm-danger);
    text-shadow: 0 0 12px rgba(239, 68, 68, 0.6);
    animation: sm-timer-pulse 0.5s ease infinite alternate;
}

.sm-stat-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 8px;
    font-weight: 500;
    color: var(--sm-text-dim);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

@keyframes sm-timer-pulse {
    from { opacity: 1; }
    to { opacity: 0.5; }
}

/* ── Game area ─────────────────────────────────── */
.sm-game-area {
    position: relative;
    width: 100%;
    min-height: 400px;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 255, 242, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 45, 149, 0.03) 0%, transparent 50%),
        var(--sm-bg-dark);
    border-radius: 16px;
    border: 1px solid var(--sm-wire);
    overflow: hidden;
    padding: 20px 16px;
    transition: transform 0.05s ease;
}

/* circuit board traces */
.sm-game-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, var(--sm-wire) 1px, transparent 1px),
        linear-gradient(0deg, var(--sm-wire) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
}

.sm-game-area.shake {
    animation: sm-shake 0.35s ease;
}

@keyframes sm-shake {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-6px) rotate(-0.5deg); }
    30% { transform: translateX(5px) rotate(0.4deg); }
    45% { transform: translateX(-4px) rotate(-0.3deg); }
    60% { transform: translateX(3px) rotate(0.2deg); }
    75% { transform: translateX(-2px); }
}

/* ── Progress dots ─────────────────────────────── */
.sm-progress {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.sm-progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--sm-wire);
    background: transparent;
    transition: all 0.4s ease;
}

.sm-progress-dot.filled {
    background: var(--sm-neon-green);
    border-color: var(--sm-neon-green);
    box-shadow: 0 0 8px rgba(57, 255, 20, 0.6);
}

.sm-progress-dot.filled.pop {
    animation: sm-dot-pop 0.4s ease;
}

@keyframes sm-dot-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.8); }
    100% { transform: scale(1); }
}

/* ── Columns layout ────────────────────────────── */
.sm-columns {
    display: flex;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.sm-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sm-column-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    padding: 6px 0;
    margin-bottom: 4px;
}

.sm-column-label.start {
    color: var(--sm-neon-cyan);
    border-bottom: 1px solid rgba(0, 255, 242, 0.2);
}

.sm-column-label.end {
    color: var(--sm-neon-pink);
    border-bottom: 1px solid rgba(255, 45, 149, 0.2);
}

/* ── Sentence chips ────────────────────────────── */
.sm-chip {
    position: relative;
    padding: 12px 14px;
    background: var(--sm-bg-card);
    border: 1px solid var(--sm-wire);
    border-radius: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    color: var(--sm-text);
    cursor: pointer;
    transition: all 0.2s ease, opacity 0.4s ease, max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease;
    line-height: 1.5;
    overflow: hidden;
    max-height: 120px;
    opacity: 0;
    transform: translateY(12px);
}

.sm-chip.visible {
    opacity: 1;
    transform: translateY(0);
}

.sm-chip .sm-chip-key {
    position: absolute;
    top: 3px; right: 6px;
    font-size: 8px;
    color: var(--sm-text-dim);
    opacity: 0.4;
    font-family: 'Orbitron', monospace;
    pointer-events: none;
}

.sm-chip::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 100%;
    background: var(--sm-wire);
    transition: background 0.2s ease;
}

.sm-chip:hover {
    border-color: rgba(0, 255, 242, 0.3);
    background: rgba(0, 255, 242, 0.05);
}

.sm-chip:hover::before {
    background: var(--sm-neon-cyan);
}

/* selected states */
.sm-chip.selected-start {
    border-color: var(--sm-neon-cyan);
    background: rgba(0, 255, 242, 0.08);
    box-shadow: 0 0 20px rgba(0, 255, 242, 0.15), inset 0 0 20px rgba(0, 255, 242, 0.05);
}

.sm-chip.selected-start::before {
    background: var(--sm-neon-cyan);
    box-shadow: 0 0 8px var(--sm-neon-cyan);
}

.sm-chip.selected-end {
    border-color: var(--sm-neon-pink);
    background: rgba(255, 45, 149, 0.08);
    box-shadow: 0 0 20px rgba(255, 45, 149, 0.15), inset 0 0 20px rgba(255, 45, 149, 0.05);
}

.sm-chip.selected-end::before {
    background: var(--sm-neon-pink);
    box-shadow: 0 0 8px var(--sm-neon-pink);
}

/* matched / correct */
.sm-chip.matched {
    border-color: var(--sm-neon-green);
    background: rgba(57, 255, 20, 0.08);
    pointer-events: none;
    opacity: 0.55;
}

.sm-chip.matched::before {
    background: var(--sm-neon-green);
}

.sm-chip.matched::after {
    content: '\2713';
    position: absolute;
    top: 4px; right: 8px;
    font-size: 10px;
    color: var(--sm-neon-green);
}

.sm-chip.collapsing {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    opacity: 0;
    border-width: 0;
    overflow: hidden;
}

/* hint glow */
.sm-chip.hint-glow {
    animation: sm-hint-glow 0.4s ease 2;
}

@keyframes sm-hint-glow {
    0%, 100% { box-shadow: none; }
    50% { box-shadow: 0 0 20px rgba(57, 255, 20, 0.5), inset 0 0 10px rgba(57, 255, 20, 0.15); border-color: var(--sm-neon-green); }
}

/* wrong flash */
@keyframes sm-wrong-flash {
    0%, 100% { border-color: var(--sm-wire); background: var(--sm-bg-card); }
    25%, 75% { border-color: var(--sm-danger); background: rgba(239, 68, 68, 0.12); }
}

.sm-chip.wrong {
    animation: sm-wrong-flash 0.5s ease;
}

.sm-chip.wrong::before {
    animation: sm-wrong-bar 0.5s ease;
}

@keyframes sm-wrong-bar {
    0%, 100% { background: var(--sm-wire); }
    25%, 75% { background: var(--sm-danger); }
}

/* ── Connection line SVG ───────────────────────── */
.sm-lines-svg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.sm-conn-line {
    fill: none;
    stroke: var(--sm-neon-green);
    stroke-width: 2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 4px rgba(57, 255, 20, 0.7));
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    transition: stroke-dashoffset 0.5s ease;
}

.sm-conn-line.drawn {
    stroke-dashoffset: 0;
}

/* ── Particles ─────────────────────────────────── */
.sm-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 15;
    animation: sm-particle-fly var(--p-dur, 0.6s) ease-out forwards;
}

@keyframes sm-particle-fly {
    0% { opacity: 1; transform: translate(0, 0) scale(1); }
    100% { opacity: 0; transform: translate(var(--p-dx), var(--p-dy)) scale(0); }
}

/* ── Combo text ────────────────────────────────── */
.sm-combo-text {
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translateX(-50%);
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 20px;
    pointer-events: none;
    z-index: 20;
    white-space: nowrap;
    animation: sm-combo-anim 1s ease-out forwards;
}

@keyframes sm-combo-anim {
    0% { opacity: 0; transform: translateX(-50%) scale(0.5); }
    15% { opacity: 1; transform: translateX(-50%) scale(1.2); }
    30% { transform: translateX(-50%) scale(1); }
    75% { opacity: 1; }
    100% { opacity: 0; transform: translateX(-50%) translateY(-30px) scale(0.9); }
}

/* ── Score float ───────────────────────────────── */
.sm-score-float {
    position: absolute;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 16px;
    color: var(--sm-neon-amber);
    text-shadow: 0 0 10px rgba(255, 184, 0, 0.6);
    pointer-events: none;
    z-index: 10;
    animation: sm-float-up 0.8s ease-out forwards;
}

@keyframes sm-float-up {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-50px) scale(1.3); }
}

/* ── Time penalty float ────────────────────────── */
.sm-time-penalty {
    position: absolute;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 12px;
    color: var(--sm-danger);
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
    pointer-events: none;
    z-index: 10;
    animation: sm-float-up 1s ease-out forwards;
}

/* ── Countdown overlay ─────────────────────────── */
.sm-countdown-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 23, 0.85);
    z-index: 30;
    border-radius: 16px;
}

.sm-countdown-num {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 72px;
    color: var(--sm-neon-cyan);
    text-shadow: 0 0 40px rgba(0, 255, 242, 0.6);
    animation: sm-countdown-tick 0.7s ease-out forwards;
}

.sm-countdown-num.go {
    font-size: 48px;
    color: var(--sm-neon-green);
    text-shadow: 0 0 40px rgba(57, 255, 20, 0.6);
}

@keyframes sm-countdown-tick {
    0% { opacity: 0; transform: scale(2); }
    30% { opacity: 1; transform: scale(1); }
    80% { opacity: 1; }
    100% { opacity: 0; transform: scale(0.8); }
}

/* ── Start screen ──────────────────────────────── */
.sm-start-screen {
    text-align: center;
    padding: 48px 24px;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--sm-text);
    background:
        radial-gradient(circle at 30% 40%, rgba(0, 255, 242, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(255, 45, 149, 0.05) 0%, transparent 50%),
        var(--sm-bg-dark);
    border-radius: 16px;
    border: 1px solid var(--sm-wire);
    position: relative;
    overflow: hidden;
}

.sm-start-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, var(--sm-wire) 1px, transparent 1px),
        linear-gradient(0deg, var(--sm-wire) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.2;
    pointer-events: none;
}

.sm-start-icon {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}

.sm-start-title {
    position: relative;
    z-index: 1;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 22px;
    color: var(--sm-neon-cyan);
    text-shadow: 0 0 20px rgba(0, 255, 242, 0.4);
    margin: 0 0 8px;
    letter-spacing: 2px;
}

.sm-start-subtitle {
    position: relative;
    z-index: 1;
    font-size: 11px;
    color: var(--sm-text-dim);
    margin-bottom: 28px;
}

.sm-instructions {
    position: relative;
    z-index: 1;
    margin: 24px 0;
    font-size: 11px;
    line-height: 2.6;
    color: var(--sm-text-dim);
}

.sm-instructions p { margin: 4px 0; }

.sm-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 2px;
    margin-right: 8px;
    vertical-align: middle;
}

.sm-dot.cyan { background: var(--sm-neon-cyan); box-shadow: 0 0 6px var(--sm-neon-cyan); }
.sm-dot.pink { background: var(--sm-neon-pink); box-shadow: 0 0 6px var(--sm-neon-pink); }
.sm-dot.green { background: var(--sm-neon-green); box-shadow: 0 0 6px var(--sm-neon-green); }

.sm-returning {
    position: relative;
    z-index: 1;
    font-family: 'Orbitron', monospace;
    font-size: 9px;
    color: var(--sm-neon-amber);
    margin: 16px 0;
}

.sm-play-btn {
    position: relative;
    z-index: 1;
    display: inline-block;
    padding: 14px 40px;
    background: transparent;
    color: var(--sm-neon-cyan);
    border: 2px solid var(--sm-neon-cyan);
    border-radius: 8px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    letter-spacing: 3px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.sm-play-btn:hover {
    background: rgba(0, 255, 242, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 242, 0.3), inset 0 0 30px rgba(0, 255, 242, 0.05);
    transform: translateY(-2px);
    color: var(--sm-neon-cyan);
}

.sm-reset-link {
    position: relative;
    z-index: 1;
    display: block;
    margin-top: 16px;
    font-size: 9px;
    color: var(--sm-text-dim);
    text-decoration: underline;
    font-family: 'IBM Plex Mono', monospace;
    cursor: pointer;
}

.sm-reset-link:hover { color: var(--sm-text); }

/* ── Round complete overlay ────────────────────── */
.sm-round-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 14, 23, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    border-radius: 16px;
    animation: sm-fade-in 0.3s ease;
}

@keyframes sm-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.sm-round-complete {
    text-align: center;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--sm-text);
    padding: 28px;
}

.sm-round-complete h3 {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 16px;
    color: var(--sm-neon-cyan);
    text-shadow: 0 0 12px rgba(0, 255, 242, 0.4);
    margin-bottom: 12px;
}

.sm-round-score {
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    color: var(--sm-neon-amber);
    margin-bottom: 8px;
}

.sm-round-time-bonus {
    font-family: 'Orbitron', monospace;
    font-size: 11px;
    color: var(--sm-neon-green);
    margin-bottom: 16px;
}

.sm-round-pairs {
    font-size: 10px;
    line-height: 2.2;
    margin-bottom: 16px;
    color: var(--sm-text-dim);
}

.sm-round-pair {
    display: block;
    padding: 3px 0;
}

.sm-round-pair .start-half { color: var(--sm-neon-cyan); }
.sm-round-pair .end-half { color: var(--sm-neon-pink); }

.sm-next-btn {
    padding: 10px 28px;
    background: transparent;
    color: var(--sm-neon-cyan);
    border: 1px solid var(--sm-neon-cyan);
    border-radius: 6px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 11px;
    cursor: pointer;
    letter-spacing: 2px;
    transition: all 0.2s ease;
}

.sm-next-btn:hover {
    background: rgba(0, 255, 242, 0.1);
    box-shadow: 0 0 16px rgba(0, 255, 242, 0.2);
}

/* ── End screen ────────────────────────────────── */
.sm-end-screen {
    text-align: center;
    padding: 48px 24px;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--sm-text);
    background:
        radial-gradient(circle at 50% 30%, rgba(255, 184, 0, 0.05) 0%, transparent 50%),
        var(--sm-bg-dark);
    border-radius: 16px;
    border: 1px solid var(--sm-wire);
}

.sm-end-screen h2 {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 20px;
    color: var(--sm-neon-amber);
    text-shadow: 0 0 16px rgba(255, 184, 0, 0.4);
    margin-bottom: 28px;
}

.sm-end-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
}

.sm-end-stat {
    background: var(--sm-bg-card);
    padding: 16px 8px;
    border-radius: 10px;
    border: 1px solid var(--sm-wire);
}

.sm-end-stat .value {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 20px;
    color: var(--sm-neon-amber);
    display: block;
}

.sm-end-stat .label {
    font-size: 8px;
    color: var(--sm-text-dim);
    margin-top: 6px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sm-end-accuracy { margin-bottom: 20px; }

.sm-accuracy-bar {
    width: 80%;
    max-width: 300px;
    height: 6px;
    background: var(--sm-wire);
    border-radius: 3px;
    margin: 8px auto;
    overflow: hidden;
}

.sm-accuracy-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sm-neon-cyan), var(--sm-neon-green));
    border-radius: 3px;
    transition: width 1s ease;
    box-shadow: 0 0 8px rgba(0, 255, 242, 0.4);
}

.sm-accuracy-label {
    font-family: 'Orbitron', monospace;
    font-size: 10px;
    color: var(--sm-text-dim);
}

.sm-accuracy-label span { color: var(--sm-neon-green); }

/* ── Settings bar ──────────────────────────────── */
.sm-settings {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--sm-text-dim);
}

.sm-settings label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    font-family: 'IBM Plex Mono', monospace;
}

.sm-settings input[type="checkbox"] {
    accent-color: var(--sm-neon-cyan);
}

/* ── Timer progress bar ────────────────────────── */
.sm-timer-bar {
    width: 100%;
    height: 4px;
    background: var(--sm-wire);
    border-radius: 2px;
    margin-bottom: 16px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.sm-timer-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sm-neon-cyan), var(--sm-neon-green));
    border-radius: 2px;
    transition: width 1s linear;
    box-shadow: 0 0 6px rgba(0, 255, 242, 0.4);
}

.sm-timer-fill.danger {
    background: linear-gradient(90deg, var(--sm-danger), #ff6b6b);
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

/* ── Streak indicator ──────────────────────────── */
.sm-streak {
    text-align: center;
    font-family: 'Orbitron', monospace;
    font-size: 10px;
    color: var(--sm-neon-amber);
    margin-bottom: 12px;
    height: 18px;
    opacity: 0;
    transition: opacity 0.3s ease;
    position: relative;
    z-index: 1;
}

.sm-streak.visible { opacity: 1; }

/* ── Pause overlay ─────────────────────────────── */
.sm-pause-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 14, 23, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 25;
    border-radius: 16px;
}

.sm-pause-text {
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 24px;
    color: var(--sm-neon-cyan);
    text-shadow: 0 0 20px rgba(0, 255, 242, 0.4);
    cursor: pointer;
    letter-spacing: 4px;
}

.sm-pause-text:hover {
    text-shadow: 0 0 30px rgba(0, 255, 242, 0.7);
}

.sm-pause-sub {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    color: var(--sm-text-dim);
    margin-top: 8px;
    text-align: center;
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 480px) {
    .sm-header { padding: 10px 14px; }
    .sm-stat-value { font-size: 15px; }
    .sm-stat-label { font-size: 7px; }
    .sm-chip { font-size: 11px; padding: 10px 12px; }
    .sm-chip .sm-chip-key { display: none; }
    .sm-start-title { font-size: 18px; }
    .sm-columns { gap: 10px; }
    .sm-end-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
    .sm-stat-value { font-size: 13px; }
    .sm-chip { font-size: 10px; padding: 8px 10px; }
}

/* ── Fullscreen mode ──────────────────────────── */
.game-fullscreen {
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 255, 242, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 45, 149, 0.04) 0%, transparent 50%),
        var(--sm-bg-dark);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.game-fullscreen .sm-fs-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    padding: 10px 24px;
    box-sizing: border-box;
}

.game-fullscreen .sm-settings {
    flex-shrink: 0;
    padding: 8px 0;
}

.game-fullscreen .collapse {
    flex-shrink: 0;
}

.game-fullscreen .sm-container {
    max-width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.game-fullscreen .sm-container .sm-header {
    flex-shrink: 0;
}

.game-fullscreen .sm-container .sm-game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.game-fullscreen .sm-container .sm-columns {
    flex: 1;
    min-height: 0;
}

.game-fullscreen .sm-container .sm-column {
    justify-content: flex-start;
    padding-top: 8px;
}

.game-fullscreen .sm-container .sm-chip {
    font-size: 14px;
    padding: 16px 20px;
}

.game-fullscreen .sm-container .sm-column {
    gap: 14px;
}

.game-fullscreen .sm-container .sm-columns {
    gap: 24px;
}

.game-fullscreen .sm-container .sm-start-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
}

.game-fullscreen .sm-container .sm-end-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
}

.game-fullscreen .sm-stat-value { font-size: 22px; }
.game-fullscreen .sm-stat-label { font-size: 10px; }
.game-fullscreen .sm-column-label { font-size: 11px; }

.game-fullscreen #sm-controls {
    flex-shrink: 0;
    padding: 10px 0;
}