/**
 * CAISSA Opening Book Styles
 * Book import, selector, and move table
 */

/* ===== BOOK PANEL ===== */
.opening-book-panel .panel-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.book-status-label {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-tertiary);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== CONTROLS ===== */
.book-controls {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    align-items: center;
}

.book-selector {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    min-width: 0;
}

.book-selector:focus {
    outline: none;
    border-color: var(--primary-color);
}

.book-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.book-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.book-btn-danger:hover {
    background: #ef4444;
    border-color: #ef4444;
}

/* ===== PROGRESS ===== */
.book-progress {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.book-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.3s;
    width: 0%;
}

.book-progress-text {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

/* ===== MOVES TABLE ===== */
.book-moves-container {
    max-height: 240px;
    overflow-y: auto;
}

.book-empty {
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 16px 8px;
    font-style: italic;
}

.book-moves-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.book-moves-table thead th {
    text-align: left;
    padding: 4px 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.book-moves-table tbody tr {
    cursor: pointer;
    transition: background 0.15s;
}

.book-moves-table tbody tr:hover {
    background: var(--bg-primary);
}

.book-moves-table td {
    padding: 5px 6px;
    border-bottom: 1px solid var(--border-color);
}

.book-move-san {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.book-move-count {
    color: var(--text-secondary);
    font-size: 11px;
    text-align: right;
    white-space: nowrap;
}

/* ===== POPULARITY BAR ===== */
.book-col-bar {
    min-width: 80px;
}

.book-bar-container {
    position: relative;
    height: 16px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.book-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.35;
    border-radius: 3px;
    transition: width 0.3s;
}

.book-bar-label {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===== W/D/L SCORE BAR ===== */
.book-move-score {
    min-width: 60px;
}

.book-wdl-bar {
    display: flex;
    height: 10px;
    border-radius: 2px;
    overflow: hidden;
    width: 100%;
}

.book-wdl-win {
    background: #10b981;
    height: 100%;
}

.book-wdl-draw {
    background: #9ca3af;
    height: 100%;
}

.book-wdl-loss {
    background: #ef4444;
    height: 100%;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .book-moves-container {
        max-height: 180px;
    }

    .book-col-bar {
        min-width: 60px;
    }

    .book-move-score {
        min-width: 40px;
    }
}