/* Competition Mode Simulator — Shared Styles
   Dark maritime design system (matches CW / Flags / Semaphore simulators) */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary:   #0a0e17;
    --bg-secondary: #111827;
    --bg-panel:     #1a2235;
    --bg-input:     #0f172a;
    --border:       #2a3550;
    --border-focus: #4a5568;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted:   #64748b;

    /* Competition accent — violet */
    --accent:       #8b5cf6;
    --accent-dim:   rgba(139, 92, 246, 0.15);
    --accent-glow:  rgba(139, 92, 246, 0.3);

    /* Player accents */
    --p1:           #3b82f6;
    --p1-dim:       rgba(59, 130, 246, 0.15);
    --p1-glow:      rgba(59, 130, 246, 0.35);
    --p2:           #ec4899;
    --p2-dim:       rgba(236, 72, 153, 0.15);
    --p2-glow:      rgba(236, 72, 153, 0.35);

    /* Master accent */
    --master:       #f59e0b;
    --master-dim:   rgba(245, 158, 11, 0.15);

    --success:      #22c55e;
    --danger:       #ef4444;
    --warning:      #f59e0b;

    /* LCD */
    --lcd-bg:       #0d1a0d;
    --lcd-green:    #4ade80;
    --lcd-dim:      #166534;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* ─── Typography ─────────────────────────────────────────────────────────── */

h1, h2, h3 { line-height: 1.2; }
.mono { font-family: 'Share Tech Mono', monospace; }
.accent { color: var(--accent); }
.muted  { color: var(--text-muted); }

/* ─── Header ──────────────────────────────────────────────────────────────── */

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex: 1;
    min-width: 0;
}
.brand h1 {
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.version-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    vertical-align: middle;
}
.btn-back-hub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    transition: border-color 0.2s, color 0.2s;
    white-space: nowrap;
}
.btn-back-hub:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Buttons ──────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-panel);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}
.btn:hover  { background: #212d45; border-color: var(--border-focus); }
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: #7c3aed; border-color: #7c3aed; }

.btn-p1 { background: var(--p1-dim); border-color: var(--p1); color: var(--p1); }
.btn-p1:hover { background: var(--p1); color: #fff; }

.btn-p2 { background: var(--p2-dim); border-color: var(--p2); color: var(--p2); }
.btn-p2:hover { background: var(--p2); color: #fff; }

.btn-success { background: rgba(34,197,94,0.15); border-color: var(--success); color: var(--success); }
.btn-success:hover { background: var(--success); color: #000; }

.btn-danger  { background: rgba(239,68,68,0.15); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }

.btn-icon {
    padding: 0.4rem;
    border-radius: 4px;
    min-width: 2rem;
    min-height: 2rem;
}

/* ─── Panels / Cards ──────────────────────────────────────────────────────── */

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
}
.panel-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* ─── Form controls ────────────────────────────────────────────────────────── */

input[type="text"], input[type="number"], select, textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    padding: 0.45rem 0.65rem;
    width: 100%;
    transition: border-color 0.15s;
}
input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
}
label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.3rem;
}
.field { margin-bottom: 0.75rem; }
.row { display: flex; gap: 0.75rem; align-items: flex-end; }
.row .field { flex: 1; margin: 0; }

/* ─── Score display ─────────────────────────────────────────────────────────── */

.score-block {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    transition: box-shadow 0.3s;
}
.score-block.p1 { background: var(--p1-dim); border-color: var(--p1); }
.score-block.p2 { background: var(--p2-dim); border-color: var(--p2); }
.score-block .label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.score-block.p1 .label { color: var(--p1); }
.score-block.p2 .label { color: var(--p2); }
.score-block .value { font-size: 2.5rem; font-weight: 800; line-height: 1; font-family: 'Share Tech Mono', monospace; }
.score-block.p1 .value { color: var(--p1); }
.score-block.p2 .value { color: var(--p2); }
.score-block.buzz { box-shadow: 0 0 18px var(--p1-glow); }
.score-block.p2.buzz { box-shadow: 0 0 18px var(--p2-glow); }

.progress-bar-wrap {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    flex: 1;
}
.progress-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}
.progress-bar.p1 { background: var(--p1); }
.progress-bar.p2 { background: var(--p2); }

/* ─── Player status badges ───────────────────────────────────────────────────── */

.player-slot {
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.player-slot.connected.p1 { border-color: var(--p1); background: var(--p1-dim); }
.player-slot.connected.p2 { border-color: var(--p2); background: var(--p2-dim); }
.player-slot .slot-label  { font-weight: 700; font-size: 0.9rem; }
.player-slot.p1 .slot-label { color: var(--p1); }
.player-slot.p2 .slot-label { color: var(--p2); }
.slot-status {
    font-size: 0.72rem;
    color: var(--text-muted);
}
.slot-status.online { color: var(--success); }

/* ─── Mode tabs ─────────────────────────────────────────────────────────────── */

.tab-bar {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 0.25rem;
}
.tab-btn {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border-radius: 5px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
    background: var(--accent);
    color: #fff;
}
.tab-btn.active.cw    { background: #f97316; }
.tab-btn.active.flags { background: #ec4899; }
.tab-btn.active.sem   { background: #06b6d4; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── LCD display ────────────────────────────────────────────────────────────── */

.lcd {
    background: var(--lcd-bg);
    border: 1px solid #1a3320;
    border-radius: 5px;
    padding: 0.75rem 1rem;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    color: var(--lcd-green);
    min-height: 2.8rem;
    word-break: break-all;
    letter-spacing: 0.06em;
}
.lcd .lcd-dim { color: var(--lcd-dim); }
.lcd-xs { font-size: 0.85rem; min-height: 2rem; padding: 0.4rem 0.6rem; }
.lcd-lg { font-size: 1.6rem; min-height: 3.5rem; }

/* ─── Morse key (player) ─────────────────────────────────────────────────────── */

.key-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}
.straight-key {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #3a4a6a, #1a2235);
    border: 3px solid var(--border);
    box-shadow: 0 6px 20px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    transition: box-shadow 0.05s, transform 0.05s;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}
.straight-key.pressed {
    box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow), inset 0 2px 4px rgba(0,0,0,0.4);
    transform: scale(0.96);
    background: radial-gradient(circle at 40% 35%, #4a5c8a, #2a3a55);
}
.key-hint { font-size: 0.72rem; color: var(--text-muted); text-align: center; }

/* ─── Choice grid ────────────────────────────────────────────────────────────── */

.choices {
    display: grid;
    gap: 0.5rem;
}
.choices.cols-2 { grid-template-columns: 1fr 1fr; }
.choices.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.choices.cols-6 { grid-template-columns: repeat(6, 1fr); }

.choice-btn {
    border: 2px solid var(--border);
    border-radius: 7px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.65rem 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, transform 0.1s;
    text-align: center;
    touch-action: manipulation;
}
.choice-btn:hover  { border-color: var(--accent); background: var(--accent-dim); }
.choice-btn:active { transform: scale(0.95); }
.choice-btn.correct   { border-color: var(--success); background: rgba(34,197,94,0.15); color: var(--success); pointer-events: none; }
.choice-btn.incorrect { border-color: var(--danger);  background: rgba(239,68,68,0.15);  color: var(--danger);  pointer-events: none; }
.choice-btn.disabled  { opacity: 0.4; pointer-events: none; }

.flag-choice-btn {
    border: 2px solid var(--border);
    border-radius: 7px;
    background: var(--bg-secondary);
    padding: 0.4rem;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s;
    touch-action: manipulation;
    aspect-ratio: 3/2;
    overflow: hidden;
}
.flag-choice-btn:hover  { border-color: var(--accent); }
.flag-choice-btn:active { transform: scale(0.95); }
.flag-choice-btn.correct   { border-color: var(--success); }
.flag-choice-btn.incorrect { border-color: var(--danger); opacity: 0.6; }
.flag-choice-btn.disabled  { opacity: 0.4; pointer-events: none; }

/* ─── Semaphore arm picker ────────────────────────────────────────────────────── */

.arm-picker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.arm-picker-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}
.arm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.3rem;
}
.arm-pos-btn {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    border: 2px solid var(--border);
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.62rem;
    color: var(--text-muted);
    transition: border-color 0.15s, background 0.15s;
    touch-action: manipulation;
}
.arm-pos-btn:hover  { border-color: var(--accent); background: var(--accent-dim); }
.arm-pos-btn.active { border-color: #06b6d4; background: rgba(6,182,212,0.15); color: #06b6d4; }

.sem-preview {
    display: flex;
    justify-content: center;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

/* ─── Feedback ──────────────────────────────────────────────────────────────── */

.feedback {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    transition: opacity 0.3s;
}
.feedback.ok      { background: rgba(34,197,94,0.15);  border: 1px solid var(--success); color: var(--success); }
.feedback.err     { background: rgba(239,68,68,0.15);  border: 1px solid var(--danger);  color: var(--danger); }
.feedback.info    { background: var(--accent-dim);     border: 1px solid var(--accent);  color: var(--accent); }
.feedback.warning { background: var(--master-dim);     border: 1px solid var(--warning); color: var(--warning); }
.feedback.hidden  { opacity: 0; pointer-events: none; }

/* ─── Flag SVG wrapper ───────────────────────────────────────────────────────── */

.flag-display {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.flag-display svg { display: block; }

/* ─── Answer log (master) ────────────────────────────────────────────────────── */

.answer-log {
    max-height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.answer-log-entry {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.6rem;
    border-radius: 5px;
    font-size: 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}
.answer-log-entry .player-tag {
    font-weight: 700;
    font-size: 0.7rem;
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
}
.answer-log-entry .player-tag.p1 { background: var(--p1-dim); color: var(--p1); }
.answer-log-entry .player-tag.p2 { background: var(--p2-dim); color: var(--p2); }
.answer-log-entry .answer-text { font-family: 'Share Tech Mono', monospace; flex: 1; }
.answer-log-entry .result-icon { font-size: 0.9rem; }

/* ─── Game over overlay ──────────────────────────────────────────────────────── */

.gameover-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 23, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    gap: 1.5rem;
    backdrop-filter: blur(4px);
}
.gameover-overlay.hidden { display: none; }
.gameover-title {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-align: center;
}
.gameover-title.p1-win { color: var(--p1); text-shadow: 0 0 30px var(--p1-glow); }
.gameover-title.p2-win { color: var(--p2); text-shadow: 0 0 30px var(--p2-glow); }
.gameover-sub { color: var(--text-secondary); font-size: 1.1rem; text-align: center; }

/* ─── Connection state ───────────────────────────────────────────────────────── */

.connection-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    color: var(--text-muted);
}
.connection-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.connection-indicator.connected .connection-dot { background: var(--success); box-shadow: 0 0 4px var(--success); }
.connection-indicator.connecting .connection-dot { background: var(--warning); animation: blink 1s infinite; }
.connection-indicator.error .connection-dot { background: var(--danger); }

@keyframes blink {
    0%, 100% { opacity: 1; } 50% { opacity: 0.3; }
}

/* ─── Buzz animation ─────────────────────────────────────────────────────────── */

@keyframes buzz-flash {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}
.buzzing { animation: buzz-flash 0.3s ease 3; }

@keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 transparent; }
    50%       { box-shadow: 0 0 0 4px var(--accent-glow); }
}
.pulse { animation: pulse-border 1s ease infinite; }

/* ─── Hoist display ──────────────────────────────────────────────────────────── */

.hoist-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
}
.hoist-flag { width: 90px; }

/* ─── Scoreboard specific ──────────────────────────────────────────────────────── */

.sb-layout {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
}
.sb-scores {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    padding: 1.5rem;
    align-items: center;
}
.sb-vs {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-muted);
    text-align: center;
}
.sb-test-area {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.sb-progress-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 500px;
}
.sb-test-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-align: center;
}
.sb-test-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 420px;
}
.sb-join-row {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    padding: 1rem 1.5rem 1.5rem;
    flex-wrap: wrap;
}
.sb-join-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}
.sb-join-card.p1 { border-color: var(--p1); }
.sb-join-card.p2 { border-color: var(--p2); }
.sb-join-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.sb-join-card.p1 .sb-join-label { color: var(--p1); }
.sb-join-card.p2 .sb-join-label { color: var(--p2); }
.sb-join-url { font-family: 'Share Tech Mono', monospace; font-size: 0.75rem; color: var(--text-secondary); }
.sb-join-card .status-badge { font-size: 0.7rem; font-weight: 600; padding: 0.15rem 0.5rem; border-radius: 10px; }
.sb-join-card.p1 .status-badge { background: var(--p1-dim); color: var(--p1); }
.sb-join-card.p2 .status-badge { background: var(--p2-dim); color: var(--p2); }

/* ─── Master layout ──────────────────────────────────────────────────────────── */

.master-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1rem;
    padding: 1rem;
    height: calc(100vh - 60px);
    overflow: hidden;
}
.master-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
}
.master-main {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
}

/* ─── Player layout ──────────────────────────────────────────────────────────── */

.player-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 1rem;
    gap: 1rem;
    max-width: 480px;
    margin: 0 auto;
}
.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    border: 2px solid transparent;
}
.role-badge.p1 { background: var(--p1-dim); border-color: var(--p1); color: var(--p1); }
.role-badge.p2 { background: var(--p2-dim); border-color: var(--p2); color: var(--p2); }
.role-badge .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
}
.role-badge.p1 .dot { background: var(--p1); }
.role-badge.p2 .dot { background: var(--p2); }

.player-scores {
    display: flex;
    gap: 0.75rem;
}
.player-scores .score-block { flex: 1; }

.test-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}
.test-type-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
.waiting-msg {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    flex: 1;
}
.waiting-msg svg { opacity: 0.3; }

.buzz-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ─── Flag grid (master picker) ──────────────────────────────────────────────── */

.flag-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
    gap: 0.35rem;
    max-height: 260px;
    overflow-y: auto;
}
.flag-picker-item {
    aspect-ratio: 3/2;
    border: 2px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.1s;
}
.flag-picker-item:hover  { border-color: var(--accent); }
.flag-picker-item.sel    { border-color: var(--warning); box-shadow: 0 0 6px var(--master-dim); }

/* ─── ICS Hoist picker ───────────────────────────────────────────────────────── */

.hoist-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.4rem;
    max-height: 200px;
    overflow-y: auto;
}
.hoist-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    border: 2px solid var(--border);
    border-radius: 5px;
    padding: 0.35rem;
    cursor: pointer;
    transition: border-color 0.1s;
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
}
.hoist-option:hover { border-color: var(--accent); }
.hoist-option.sel   { border-color: var(--warning); }
.hoist-option .mini-hoist { display: flex; gap: 2px; }
.hoist-option .mini-hoist > div { width: 24px; }

/* ── Hoist meaning tooltip ─────────────────────────────────────────────────── */
#hoist-tip {
    position: fixed;
    z-index: 9999;
    max-width: 220px;
    background: var(--surface-2, #1e2535);
    color: var(--text-primary, #e8eaf0);
    border: 1px solid var(--accent, #7c3aed);
    border-radius: 6px;
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
    line-height: 1.4;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.55);
    display: none;
}

/* ─── Scoreboard large score ─────────────────────────────────────────────────── */

.sb-score-large {
    font-size: 4rem;
    font-weight: 900;
    font-family: 'Share Tech Mono', monospace;
    line-height: 1;
}
.sb-score-large.p1 { color: var(--p1); text-shadow: 0 0 20px var(--p1-glow); }
.sb-score-large.p2 { color: var(--p2); text-shadow: 0 0 20px var(--p2-glow); }

/* ─── Utilities ──────────────────────────────────────────────────────────────── */

.hidden        { display: none !important; }
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.items-center  { align-items: center; }
.justify-center { justify-content: center; }
.gap-1         { gap: 0.5rem; }
.gap-2         { gap: 0.75rem; }
.gap-3         { gap: 1rem; }
.text-center   { text-align: center; }
.w-full        { width: 100%; }
.mt-1          { margin-top: 0.5rem; }
.mt-2          { margin-top: 0.75rem; }
.bold          { font-weight: 700; }

@media (max-width: 700px) {
    .master-layout {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
    }
    .master-sidebar { overflow-y: visible; }
    .choices.cols-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 420px) {
    .sb-scores { grid-template-columns: 1fr auto 1fr; }
    .sb-score-large { font-size: 3rem; }
    .straight-key { width: 120px; height: 120px; }
}