/* Bingo Generator — site-specific styles */
main { max-width: 960px; }

/* Language switcher */
.lang-switch { display: flex; justify-content: flex-end; gap: 0; margin-bottom: 0.5rem; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; width: fit-content; margin-left: auto; }
.lang-btn { padding: 0.25rem 0.625rem; font-size: 0.7rem; font-weight: 700; background: var(--color-surface); color: var(--color-muted); border: none; border-radius: 0; cursor: pointer; letter-spacing: 0.05em; }
.lang-btn + .lang-btn { border-left: 1px solid var(--color-border); }
.lang-btn.active { background: var(--color-primary); color: #fff; }
@media (prefers-color-scheme: dark) { .lang-btn.active { background: #4f46e5; } }

/* Game nav bar */
.game-nav {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.625rem 1rem;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.8125rem;
}
.game-nav-back {
    font-weight: 600; color: var(--color-primary);
    text-decoration: none; white-space: nowrap;
}
.game-nav-back:hover { text-decoration: underline; }
.game-nav-title { flex: 1; font-weight: 600; color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.game-nav-id { color: var(--color-muted); font-size: 0.75rem; font-family: var(--font-mono); }

/* Join by code */
.join-by-code {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    margin-top: 1rem;
}
.join-by-code input { width: 140px; text-align: center; font-size: 1rem; padding: 0.5rem; }
.join-by-code button { padding: 0.5rem 1rem; font-size: 0.875rem; }

/* Hero */
.hero { margin-bottom: 1.5rem; text-align: center; }
.hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* Preset pills */
.preset-row { margin-bottom: 1.5rem; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.preset-pills { display: flex; gap: 0.5rem; padding-bottom: 0.25rem; flex-wrap: wrap; }
.preset-pill { padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.8125rem; font-weight: 600; white-space: nowrap; background: var(--color-surface); color: var(--color-muted); border: 1.5px solid var(--color-border); cursor: pointer; transition: border-color 0.15s, color 0.15s, background 0.15s; }
.preset-pill:hover { border-color: var(--color-primary); color: var(--color-text); background: var(--color-surface); }
.preset-pill.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
@media (prefers-color-scheme: dark) { .preset-pill.active { background: #4f46e5; border-color: #4f46e5; } }

/* Two-column layout */
.tool-layout { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .tool-layout { grid-template-columns: 340px 1fr; align-items: start; } }

/* Editor panel */
.editor-panel { background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow-sm); }
.editor-panel h2 { font-size: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { display: block; font-weight: 600; font-size: 0.8125rem; margin-bottom: 0.375rem; color: var(--color-text); }

.words-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.375rem; }
.words-header label { margin-bottom: 0; }
.word-count-badge { font-size: 0.75rem; font-weight: 600; padding: 0.125rem 0.5rem; border-radius: 999px; background: var(--color-primary-soft); color: var(--color-primary); }
.word-count-badge.warning { background: #fef2f2; color: #dc2626; }
@media (prefers-color-scheme: dark) { .word-count-badge.warning { background: rgba(220,38,38,.15); color: #f87171; } }
.word-warning { display: none; font-size: 0.75rem; color: #dc2626; margin-top: 0.375rem; }
@media (prefers-color-scheme: dark) { .word-warning { color: #f87171; } }

textarea { width: 100%; min-height: 160px; padding: 0.75rem; border: 1.5px solid var(--color-border); border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.875rem; line-height: 1.6; background: var(--color-surface); color: var(--color-text); resize: vertical; outline: none; transition: border-color 0.15s, box-shadow 0.15s; }
textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }
textarea::placeholder { color: var(--color-muted); opacity: 0.6; }

/* Grid size toggle */
.grid-size-row { display: flex; gap: 0.5rem; }
.grid-btn { flex: 1; padding: 0.5rem; font-size: 0.8125rem; font-weight: 600; border: 1.5px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); color: var(--color-muted); cursor: pointer; transition: border-color 0.15s, color 0.15s; text-align: center; }
.grid-btn:hover { border-color: var(--color-primary); color: var(--color-text); background: var(--color-surface); }
.grid-btn.active { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary); }

/* Mode toggle */
.mode-row { display: flex; gap: 0; border: 1.5px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.mode-btn { flex: 1; padding: 0.5rem 0.75rem; font-size: 0.8125rem; font-weight: 600; background: var(--color-surface); color: var(--color-muted); border: none; border-radius: 0; cursor: pointer; text-align: center; transition: background 0.15s; }
.mode-btn + .mode-btn { border-left: 1.5px solid var(--color-border); }
.mode-btn:hover { color: var(--color-text); }
.mode-btn.active { background: var(--color-primary); color: #fff; }
@media (prefers-color-scheme: dark) { .mode-btn.active { background: #4f46e5; } }
.mode-hint { font-size: 0.75rem; color: var(--color-muted); margin-top: 0.375rem; line-height: 1.4; }

/* Host caller panel */
.host-panel {
    background: var(--color-surface-raised);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.host-panel h2 { font-size: 1.125rem; margin-bottom: 0.5rem; }
.host-hint { font-size: 0.8rem; color: var(--color-muted); margin-bottom: 1rem; }
.host-word-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.host-word-btn {
    padding: 0.625rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.15s;
    word-break: break-word;
}
.host-word-btn:hover { border-color: var(--color-primary); }
.host-word-btn.called {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
@media (prefers-color-scheme: dark) { .host-word-btn.called { background: #4f46e5; } }
.host-stats { font-size: 0.8rem; color: var(--color-muted); margin-bottom: 1rem; }

/* Host header with actions */
.host-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.host-header h2 { margin-bottom: 0; }
.host-actions { display: flex; gap: 0.5rem; align-items: center; }
.host-actions .btn-secondary { font-size: 0.75rem; padding: 0.375rem 0.75rem; }
.host-room-code { font-size: 0.75rem; font-weight: 700; background: var(--color-primary-soft); color: var(--color-primary); padding: 0.25rem 0.625rem; border-radius: var(--radius); letter-spacing: 0.1em; }

/* Player list in host panel */
.host-players { border-top: 1px solid var(--color-border); padding-top: 1rem; }
.host-players h3 { font-size: 0.9375rem; margin-bottom: 0.5rem; }
.player-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.player-chip {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.375rem 0.75rem; border-radius: 99px;
    font-size: 0.75rem; font-weight: 600;
    background: var(--color-surface); border: 1px solid var(--color-border);
}
.player-chip.has-bingo {
    background: #16a34a; color: #fff; border-color: #16a34a;
    animation: bingo-pulse 1s infinite alternate;
}
@keyframes bingo-pulse { from { transform: scale(1); } to { transform: scale(1.05); } }
.player-chip .chip-count { color: var(--color-muted); font-weight: 400; }
.player-chip { cursor: pointer; transition: transform 0.1s; }
.player-chip:hover { transform: scale(1.05); }

/* Player card modal (host clicks player name) */
.player-card-modal {
    position: fixed; inset: 0; z-index: 10000;
    background: rgba(0,0,0,0.6); display: flex;
    align-items: center; justify-content: center; padding: 1rem;
}
.player-card-inner {
    background: var(--color-surface-raised); border-radius: var(--radius);
    padding: 1.5rem; max-width: 450px; width: 100%;
    box-shadow: var(--shadow-lg); max-height: 90vh; overflow-y: auto;
}
.player-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.player-card-header h3 { margin: 0; }
.player-card-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-muted); padding: 0; line-height: 1; }
.player-card-close:hover { color: var(--color-text); }

/* Join overlay */
.join-overlay {
    position: fixed; inset: 0; z-index: 10000;
    background: rgba(0,0,0,0.6); display: flex;
    align-items: center; justify-content: center; padding: 1rem;
}
.join-card {
    background: var(--color-surface-raised); border-radius: var(--radius);
    padding: 2rem; max-width: 360px; width: 100%; text-align: center;
    box-shadow: var(--shadow-lg);
}
.join-card h2 { margin-bottom: 0.5rem; }
.join-card p { font-size: 0.875rem; margin-bottom: 1rem; }
.join-card input {
    width: 100%; margin-bottom: 0.75rem; text-align: center;
    font-size: 1.125rem; padding: 0.75rem;
}
.join-card button {
    width: 100%; padding: 0.75rem; font-size: 1rem;
}

/* Bingo claim bar (player view) */
.bingo-claim-bar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: center; gap: 1rem;
    padding: 1rem; background: #16a34a; color: #fff; font-weight: 700;
    font-size: 1.125rem; box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
}
.bingo-claim-bar button {
    padding: 0.625rem 1.5rem; font-size: 1rem; font-weight: 700;
    background: #fff; color: #16a34a; border-radius: var(--radius);
}
.bingo-claim-bar button:hover { background: #f0fdf4; }

/* Player card in host mode — read-only, auto-marked */
.bingo-card.host-mode .bingo-cell { cursor: default; }
.bingo-card.host-mode .bingo-cell:hover { background: var(--color-surface); }
.bingo-card.host-mode .bingo-cell.auto-marked {
    background: var(--color-primary);
    color: #fff;
    transition: background 0.3s;
}

/* Checkbox */
.checkbox-row { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-row input[type="checkbox"] { width: 1.125rem; height: 1.125rem; accent-color: var(--color-primary); cursor: pointer; flex-shrink: 0; }
.checkbox-row label { font-weight: 500; font-size: 0.875rem; margin-bottom: 0; cursor: pointer; }

/* Card panel */
.card-panel { display: flex; flex-direction: column; align-items: center; }
.card-panel-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; text-align: center; min-height: 1.5em; }

/* Bingo card */
.bingo-card { display: grid; gap: 3px; background: var(--color-border); border: 3px solid var(--color-text); border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; width: 100%; max-width: 500px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.bingo-cell { background: var(--color-surface); display: flex; align-items: center; justify-content: center; text-align: center; font-weight: 600; padding: 0.375rem; cursor: pointer; transition: background 0.15s, transform 0.1s; user-select: none; word-break: break-word; line-height: 1.2; position: relative; border: none; color: var(--color-text); overflow: hidden; }
.grid-3 .bingo-cell { font-size: 0.9375rem; padding: 0.75rem 0.5rem; }
.grid-4 .bingo-cell { font-size: 0.8125rem; padding: 0.5rem 0.375rem; }
.grid-5 .bingo-cell { font-size: 0.75rem; padding: 0.375rem 0.25rem; }

.bingo-cell:hover { background: var(--color-surface-raised); }
.bingo-cell:active { transform: scale(0.96); }
.bingo-cell.marked { background: var(--color-primary); color: #fff; }
.bingo-cell.marked:hover { background: var(--color-primary-hover); }
@media (prefers-color-scheme: dark) { .bingo-cell.marked { background: #4f46e5; } .bingo-cell.marked:hover { background: #6366f1; } }
.bingo-cell.free { background: var(--color-primary-soft); color: var(--color-primary); cursor: default; }
.bingo-cell.free.marked { background: var(--color-primary); color: #fff; }

.cell-text { position: relative; z-index: 1; }
.cell-check { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; opacity: 0.25; }
.cell-check svg { width: 70%; height: 70%; }
.cell-star { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; opacity: 0.15; }
.cell-star svg { width: 60%; height: 60%; }
.bingo-cell.winning { animation: bingo-pulse 0.5s ease infinite alternate; }
@keyframes bingo-pulse { from { filter: brightness(1); } to { filter: brightness(1.3); } }

/* Action bar */
.action-bar { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; justify-content: center; width: 100%; max-width: 500px; }
.action-bar button { flex: 1; min-width: 0; font-size: 0.8125rem; padding: 0.625rem 0.75rem; white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem; }
.action-bar button svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-border); }
@media (prefers-color-scheme: dark) { .btn-secondary { background: var(--color-surface); color: var(--color-text); } .btn-secondary:hover { background: var(--color-border); } }

/* Share callout */
.share-callout { background: var(--color-primary-soft); border: 1px solid var(--color-primary); border-radius: var(--radius); padding: 0.75rem 1rem; margin-top: 0.75rem; font-size: 0.8125rem; color: var(--color-text); text-align: center; max-width: 500px; width: 100%; }
.share-callout strong { color: var(--color-primary); }

/* Bingo overlay */
.bingo-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.bingo-overlay.visible { opacity: 1; pointer-events: auto; }
.bingo-overlay-card { background: var(--color-surface-raised); border-radius: 12px; padding: 2.5rem 2rem; text-align: center; box-shadow: var(--shadow-lg); max-width: 360px; width: 90%; transform: scale(0.8); transition: transform 0.3s; position: relative; }
.bingo-overlay.visible .bingo-overlay-card { transform: scale(1); }
.overlay-title { font-size: 3rem; font-weight: 800; color: var(--color-primary); letter-spacing: -0.04em; margin-bottom: 0.5rem; line-height: 1; }
.overlay-subtitle { font-size: 1rem; color: var(--color-muted); margin-bottom: 1.5rem; }
.overlay-actions { display: flex; gap: 0.5rem; justify-content: center; }
.overlay-actions button { padding: 0.75rem 1.25rem; font-size: 0.875rem; }
.overlay-close { position: absolute; top: 0.75rem; right: 0.75rem; background: none; border: none; color: var(--color-muted); font-size: 1.5rem; cursor: pointer; padding: 0.25rem; line-height: 1; width: auto; }
.overlay-close:hover { color: var(--color-text); background: none; }

/* Multi-card */
.multi-section { margin-top: 2rem; display: none; }
.multi-section h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.multi-controls { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.multi-controls select { width: auto; min-width: 100px; }
.multi-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.multi-card-wrapper { display: flex; flex-direction: column; }
.multi-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.5rem; font-weight: 600; font-size: 0.875rem; }
.bingo-card-mini { max-width: 100%; aspect-ratio: 1; }
.bingo-card-mini .bingo-cell { cursor: default; font-size: 0.5625rem; padding: 0.25rem; }
.grid-3.bingo-card-mini .bingo-cell { font-size: 0.75rem; }
.grid-4.bingo-card-mini .bingo-cell { font-size: 0.625rem; }

/* Fullscreen */
.fullscreen-container { display: none; position: fixed; inset: 0; z-index: 9999; background: var(--color-bg); flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem; }
.fullscreen-container.active { display: flex; }
.fullscreen-header { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 600px; margin-bottom: 1rem; }
.fullscreen-header h2 { font-size: 1.5rem; margin: 0; }
.bingo-card-fs { max-width: 600px; width: 100%; }
.bingo-card-fs .bingo-cell { font-size: 1rem; min-height: 60px; }

/* Content sections */
.content-section { margin-top: 2.5rem; }
.content-section h2 { margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-border); }
.content-section p { font-size: 0.9375rem; line-height: 1.7; }

/* Steps list */
.steps-list { list-style: none; counter-reset: steps; padding: 0; }
.steps-list li { counter-increment: steps; display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.75rem 0; border-bottom: 1px solid var(--color-border); font-size: 0.9375rem; }
.steps-list li:last-child { border-bottom: none; }
.steps-list li::before { content: counter(steps); display: flex; align-items: center; justify-content: center; min-width: 2rem; height: 2rem; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); font-weight: 700; flex-shrink: 0; }

/* Preset showcase */
.preset-showcase { display: grid; gap: 1rem; margin-top: 1rem; }
@media (min-width: 768px) { .preset-showcase { grid-template-columns: 1fr 1fr; } }
.showcase-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; cursor: pointer; transition: border-color 0.15s; }
.showcase-card:hover { border-color: var(--color-primary); }
.showcase-card h3 { font-size: 1rem; margin-bottom: 0.375rem; }
.showcase-card p { font-size: 0.8125rem; margin-bottom: 0; }

/* FAQ accordion */
.accordion { margin-top: 2rem; }
.accordion details { border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 0.5rem; overflow: hidden; }
.accordion summary { padding: 1rem 1.25rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; font-size: 0.9375rem; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "\25B8"; transition: transform 0.2s; font-size: 0.875rem; color: var(--color-muted); }
.accordion details[open] summary::after { transform: rotate(90deg); }
.accordion .accordion-body { padding: 0 1.25rem 1.25rem; font-size: 0.9rem; line-height: 1.6; color: var(--color-muted); }

/* Toast */
.toast { position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(120%); background: var(--color-text); color: var(--color-bg); padding: 0.75rem 1.5rem; border-radius: var(--radius); font-size: 0.875rem; font-weight: 600; opacity: 0; transition: transform 0.3s, opacity 0.3s; z-index: 10002; pointer-events: none; white-space: nowrap; }
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* Mobile */
@media (max-width: 767px) {
    .tool-layout { grid-template-columns: 1fr; }
    .card-panel { order: -1; }
    .bingo-card, .action-bar, .share-callout { max-width: 100%; }
    .action-bar button { font-size: 0.75rem; padding: 0.5rem; }
    .preset-pills { flex-wrap: nowrap; overflow-x: auto; }
    .toast { bottom: 1rem; }
    .bingo-card-fs .bingo-cell { font-size: 0.875rem; min-height: 48px; }
}
@media (pointer: coarse) { .bingo-cell { min-height: 48px; } }

/* Mobile game-specific */
@media (max-width: 480px) {
    .host-word-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 0.375rem; }
    .host-word-btn { padding: 0.5rem; font-size: 0.75rem; min-height: 44px; }
    .host-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .host-actions { width: 100%; }
    .host-actions .btn-secondary { flex: 1; text-align: center; }
    .player-chip { font-size: 0.7rem; padding: 0.25rem 0.5rem; }
    .game-nav { font-size: 0.75rem; padding: 0.5rem 0.75rem; }
    .join-overlay .join-card { padding: 1.5rem 1rem; }
    .player-card-inner { padding: 1rem; }
    .player-card-inner .bingo-card { max-width: 100%; }
    .bingo-claim-bar { font-size: 0.9375rem; padding: 0.75rem; flex-direction: column; gap: 0.5rem; }
    .bingo-claim-bar button { width: 100%; }
    .mode-row .mode-btn { font-size: 0.75rem; padding: 0.375rem 0.5rem; }
}

/* Print */
@media print {
    body { background: #fff !important; color: #000 !important; }
    .hero, .preset-row, .editor-panel, .action-bar, .share-callout, .bingo-overlay, .fullscreen-container, .content-section, .accordion, .multi-controls, .site-footer, footer, .toast, .fb-btn, .cc-banner { display: none !important; }
    main { padding: 0.5cm; max-width: 100%; }
    .tool-layout { display: block; }
    .card-panel-title { font-size: 1.5rem; color: #000; margin-bottom: 0.5cm; }
    .bingo-card { max-width: 16cm; margin: 0 auto; border-color: #000; background: #ccc; break-inside: avoid; }
    .bingo-cell { background: #fff !important; color: #000 !important; border: 1px solid #000; font-size: 10pt; min-height: 2cm; }
    .bingo-cell.marked { background: #e5e5e5 !important; }
    .bingo-cell.free { background: #f0f0f0 !important; color: #000 !important; }
    .cell-check svg { stroke: #000; }
    .cell-star svg { fill: #666; }
    .multi-section { display: block !important; }
    .multi-grid { grid-template-columns: 1fr 1fr; gap: 0.5cm; }
    .multi-card-header { font-size: 10pt; }
    .bingo-card-mini .bingo-cell { font-size: 7pt; min-height: 1cm; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
    .bingo-cell.winning { animation: none; outline: 3px solid var(--color-accent); outline-offset: -3px; }
}