/* -- openings.css -- Verdict Alpha -- */

/* ── Opening Band ───────────────────────────────────────────── */
.opening-band {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 8px;
    cursor: pointer;
}
.opening-band-content {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.opening-eco {
    font-family: "SF Mono", monospace;
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--bg-lighter);
    color: var(--accent-amber);
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}
.opening-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.opening-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}
.opening-status.main_weapon {
    background: rgba(0, 217, 165, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 217, 165, 0.3);
}
.opening-status.secondary {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}
.opening-status.experimental {
    background: rgba(244, 162, 97, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(244, 162, 97, 0.3);
}
.opening-status.avoid {
    background: rgba(233, 69, 96, 0.15);
    color: var(--error);
    border: 1px solid rgba(233, 69, 96, 0.3);
}
.opening-status.unknown {
    background: rgba(153, 153, 170, 0.15);
    color: var(--text-dim);
    border: 1px solid rgba(153, 153, 170, 0.3);
}
.opening-status.not_in_repertoire {
    background: rgba(233, 69, 96, 0.15);
    color: var(--error);
    border: 1px solid rgba(233, 69, 96, 0.3);
}
.opening-band-actions {
    display: flex;
    gap: 6px;
}

.opening-band.theory {
    border-left: 3px solid var(--accent-green);
}
.opening-band.minor-deviation {
    border-left: 3px solid var(--warning);
}
.opening-band.out-of-book {
    border-left: 3px solid var(--error);
}

/* ── Deviation Modal ────────────────────────────────────────── */
.deviation-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.deviation-move-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    text-align: center;
}
.deviation-move-box.expected {
    border-color: var(--accent-green);
    background: rgba(0, 217, 165, 0.05);
}
.deviation-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.deviation-move {
    font-size: 1.3rem;
    font-weight: 700;
    font-family: "SF Mono", monospace;
}
.deviation-vs {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 600;
}
.deviation-explanation {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.5;
    padding: 8px 0;
}
.deviation-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

/* ── Repertoire Panel ───────────────────────────────────────── */
.rep-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.rep-tabs {
    display: flex;
    gap: 6px;
    margin-top: 4px;
}
.rep-tab {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}
.rep-tab.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.rep-tab:hover:not(.active) {
    color: var(--text);
}
.rep-content {
    flex: 1;
    overflow-y: auto;
    min-height: 200px;
}
.rep-subpanel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rep-empty {
    text-align: center;
    color: var(--text-dim);
    padding: 32px 16px;
    font-size: 0.9rem;
}
.rep-empty-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}

/* Repertoire Opening Card */
.rep-opening-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color 0.2s;
}
.rep-opening-card:hover {
    border-color: var(--accent);
}
.rep-opening-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.rep-opening-name {
    font-weight: 700;
    font-size: 0.95rem;
}
.rep-opening-eco {
    font-family: monospace;
    font-size: 0.75rem;
    background: var(--bg-lighter);
    color: var(--accent-amber);
    padding: 2px 8px;
    border-radius: 4px;
}
.rep-opening-stats {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-dim);
}
.rep-opening-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}
.rep-opening-stat .stat-win {
    color: var(--accent-green);
}
.rep-opening-stat .stat-loss {
    color: var(--error);
}
.rep-opening-stat .stat-draw {
    color: var(--accent-amber);
}
.rep-opening-status-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    width: fit-content;
}
.rep-opening-status-badge.main_weapon {
    background: rgba(0, 217, 165, 0.15);
    color: var(--accent-green);
}
.rep-opening-status-badge.secondary {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
}
.rep-opening-status-badge.experimental {
    background: rgba(244, 162, 97, 0.15);
    color: var(--accent-amber);
}
.rep-opening-status-badge.avoid {
    background: rgba(233, 69, 96, 0.15);
    color: var(--error);
}

/* Study List Item */
.rep-study-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.rep-study-info {
    flex: 1;
    min-width: 0;
}
.rep-study-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}
.rep-study-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
}
.rep-study-actions {
    display: flex;
    gap: 6px;
}
.rep-study-status {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
}
.rep-study-status.learning {
    background: rgba(244, 162, 97, 0.15);
    color: var(--accent-amber);
}
.rep-study-status.learned {
    background: rgba(0, 217, 165, 0.15);
    color: var(--accent-green);
}
.rep-study-status.paused {
    background: rgba(153, 153, 170, 0.15);
    color: var(--text-dim);
}

/* Coverage Panel */
.rep-coverage-bar {
    height: 20px;
    background: var(--bg-lighter);
    border-radius: 10px;
    overflow: hidden;
    margin: 8px 0;
}
.rep-coverage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), #4caf50);
    border-radius: 10px;
    transition: width 0.5s ease;
}
.rep-coverage-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-dim);
}
.rep-coverage-big {
    text-align: center;
    padding: 24px 0;
}
.rep-coverage-big .big-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-green);
}
.rep-coverage-big .big-label {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Suggestion Cards */
.rep-suggestion-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-amber);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.rep-suggestion-title {
    font-weight: 700;
    font-size: 0.9rem;
}
.rep-suggestion-text {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* ── Interactive Opening Tree (Canvas) ──────────────────────── */
.tree-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}
.tree-hint {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-left: auto;
}
.tree-canvas-wrap {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    cursor: grab;
}
.tree-canvas-wrap:active {
    cursor: grabbing;
}
#openingTreeCanvas {
    display: block;
    width: 100%;
    height: 100%;
}
.tree-tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    z-index: 10;
    max-width: 220px;
}
.tree-tooltip .tt-eco {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--accent-amber);
    font-weight: 700;
}
.tree-tooltip .tt-name {
    font-weight: 600;
    margin: 2px 0 6px;
}
.tree-tooltip .tt-stats {
    font-size: 0.8rem;
    color: var(--text-dim);
}
.tree-tooltip .tt-status {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-top: 6px;
}
.tree-tooltip .tt-status.good {
    background: rgba(0, 217, 165, 0.15);
    color: #00d9a5;
}
.tree-tooltip .tt-status.deviation {
    background: rgba(233, 69, 96, 0.15);
    color: #e94560;
}
.tree-tooltip .tt-status.rare {
    background: rgba(244, 162, 97, 0.15);
    color: #f4a261;
}
.tree-tooltip .tt-status.neutral {
    background: rgba(153, 153, 170, 0.15);
    color: #9999aa;
}

.tree-search {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 0.8rem;
    color: var(--text);
    width: 160px;
}
.tree-search:focus {
    outline: none;
    border-color: var(--accent);
}
.tree-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-left: 4px;
}
.legend-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 2px;
}
.legend-dot.good {
    background: #00d9a5;
}
.legend-dot.deviation {
    background: #e94560;
}
.legend-dot.rare {
    background: #f4a261;
}

/* ── Opening Tree Popup ────────────────────────────────────── */
.opening-tree-card {
    max-width: 480px;
    width: 90%;
}
.opening-tree-body {
    padding: 16px 20px;
    max-height: 60vh;
    overflow-y: auto;
}
.opening-tree-current {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.opening-tree-children {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}
.opening-tree-move {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-light);
    border-radius: 6px;
    border: 1px solid var(--border);
}
.opening-tree-move .move-san {
    font-weight: 700;
    font-size: 0.95rem;
}
.opening-tree-move .move-stats {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.opening-tree-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-align: center;
}

/* ── Opening Tree Popup Sections ───────────────────────────── */
.opening-tree-section {
    margin-bottom: 12px;
    padding: 8px 10px;
    background: var(--bg-light);
    border-radius: 6px;
    border-left: 3px solid var(--accent);
}
.opening-tree-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}
.opening-tree-detail {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 2px 0;
    line-height: 1.4;
}

/* ELO chart */
.elo-chart-title {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 4px;
}


/* ── Study Mode Modal ───────────────────────────────────────── */
.study-card {
    max-width: 480px;
}
.study-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.study-progress {
    height: 6px;
    background: var(--bg-lighter);
    border-radius: 3px;
    overflow: hidden;
}
.study-progress-bar {
    height: 100%;
    background: var(--accent-green);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}
.study-counter {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 600;
}
.study-card-inner {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.study-question {
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}
.study-board-mini {
    width: 100%;
    max-width: 240px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid var(--border);
}
.study-board-mini .sq {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.study-board-mini .sq.light {
    background: var(--square-light);
}
.study-board-mini .sq.dark {
    background: var(--square-dark);
}
.study-answers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.study-answer-btn {
    background: var(--bg-lighter);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s;
}
.study-answer-btn:hover {
    border-color: var(--accent);
    background: var(--bg-light);
}
.study-answer-btn.correct {
    border-color: var(--accent-green);
    background: rgba(0, 217, 165, 0.1);
    color: var(--accent-green);
}
.study-answer-btn.wrong {
    border-color: var(--error);
    background: rgba(233, 69, 96, 0.1);
    color: var(--error);
}
.study-feedback {
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}
.study-feedback.correct {
    background: rgba(0, 217, 165, 0.1);
    color: var(--accent-green);
}
.study-feedback.wrong {
    background: rgba(233, 69, 96, 0.1);
    color: var(--error);
}
.study-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}
.study-nav-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}
.study-actions button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}