.hidden {
    display: none !important;
}

/* ---- How to play ---- */
.how-to-play {
    background: var(--bgColor-muted);
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 28px;
}

.how-to-play h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.how-to-play ol {
    margin-bottom: 0;
    padding-left: 20px;
    line-height: 1.8;
}

/* ---- Creator form ---- */
.creator-form {
    max-width: 560px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 1rem;
    border: 2px solid var(--fgColor-muted);
    border-radius: 8px;
    background: var(--bgColor-default);
    color: var(--fgColor-default);
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
    line-height: 1.5;
}

.entry-count {
    font-size: 0.85rem;
    font-weight: 400;
    transition: color 0.2s;
}

.entry-count.valid {
    color: #22c55e;
}

.entry-count.invalid {
    color: #ef4444;
}

.entry-warning {
    color: #ef4444;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

/* ---- Share section ---- */
.share-section {
    margin-top: 24px;
    max-width: 560px;
}

.share-section h3 {
    color: #22c55e;
    margin-bottom: 8px;
}

.share-link-row {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.share-link-row input {
    flex: 1;
    padding: 10px 14px;
    font-size: 0.85rem;
    border: 2px solid var(--fgColor-muted);
    border-radius: 8px;
    background: var(--bgColor-muted);
    color: var(--fgColor-default);
    min-width: 0;
    font-family: monospace;
}

.copy-confirm {
    color: #22c55e;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 6px;
}

/* ---- Buttons ---- */
.btn-primary {
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #3b82f6;
    color: #fff;
    transition: background 0.15s, opacity 0.15s;
}

.btn-primary:hover:not(:disabled) {
    background: #2563eb;
}

.btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-secondary {
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 2px solid var(--fgColor-muted);
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
    color: var(--fgColor-default);
    transition: border-color 0.15s, background 0.15s;
}

.btn-secondary:hover {
    border-color: var(--fgColor-default);
    background: var(--bgColor-muted);
}

.btn-danger {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #ef4444;
    color: #fff;
    transition: background 0.15s;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-ghost {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid var(--fgColor-muted);
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
    color: var(--fgColor-muted);
    transition: border-color 0.15s;
}

.btn-ghost:hover {
    border-color: var(--fgColor-default);
    color: var(--fgColor-default);
}

/* ---- Player mode ---- */
#player-view h1 {
    text-align: center;
}

#bingo-grid-wrapper {
    max-width: 520px;
    margin: 0 auto;
}

.bingo-col-headers {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    margin-bottom: 4px;
}

.bingo-col-header {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: #3b82f6;
    line-height: 1;
    padding: 4px 0;
}

#bingo-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.bingo-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4px;
    border-radius: 6px;
    cursor: pointer;
    overflow: hidden;
    background: var(--bgColor-muted);
    border: 2px solid transparent;
    transition: background 0.2s, border-color 0.2s, transform 0.1s;
    user-select: none;
    box-sizing: border-box;
}

.bingo-cell:active {
    transform: scale(0.95);
}

.bingo-cell .cell-text {
    font-size: 0.65rem;
    line-height: 1.25;
    word-break: break-word;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

.bingo-cell.gotten {
    background: rgba(34, 197, 94, 0.35);
    border-color: #22c55e;
}

.bingo-cell.free-space {
    background: rgba(34, 197, 94, 0.35);
    border-color: #22c55e;
    cursor: default;
}

.bingo-cell.free-space:active {
    transform: none;
}

.bingo-cell.free-space .cell-text {
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

/* ---- Action buttons ---- */
#action-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: flex-start;
    margin-top: 24px;
    flex-wrap: wrap;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.action-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.confirm-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.confirm-row span {
    font-size: 0.85rem;
    color: var(--fgColor-muted);
    width: 100%;
    text-align: center;
}

/* ---- Error ---- */
.error-msg {
    color: #ef4444;
    font-size: 1.05rem;
}

/* ---- Desktop ---- */
@media (min-width: 480px) {
    .bingo-cell .cell-text {
        font-size: 0.75rem;
    }

    .bingo-col-header {
        font-size: 1.6rem;
    }
}

@media (min-width: 600px) {
    .bingo-cell .cell-text {
        font-size: 0.8rem;
    }
}