/* custom-index-chart.css — Dark theme */

:root {
    --ci-bg:          #0d1117;
    --ci-bg-surface:  #161b22;
    --ci-border:      rgba(255,255,255,.08);
    --ci-text:        #e6edf3;
    --ci-text-muted:  #8b949e;
    --ci-green:       #3fb950;
    --ci-red:         #f85149;
    --ci-gold:        #e8b84b;
    --ci-blue:        #58a6ff;
    --ci-grid:        rgba(255,255,255,.06);
}

.lcni-ci-wrap {
    position: relative;
    font-family: "DM Sans", "Segoe UI", system-ui, sans-serif;
    margin-bottom: 24px;
    background: var(--ci-bg);
    border-radius: 12px;
    padding: 14px 16px 10px;
    border: 1px solid var(--ci-border);
}

/* ── Header ──────────────────────────────────────────────── */
.lcni-ci-header {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 10px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--ci-border);
}

.lcni-ci-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--ci-text-muted);
    letter-spacing: .02em;
}

.lcni-ci-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--ci-text);
    letter-spacing: -0.5px;
}

.lcni-ci-pct {
    font-size: 13px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(255,255,255,.06);
    color: var(--ci-text-muted);
}

/* ── Timeframe buttons ───────────────────────────────────── */
.lcni-ci-tf-group {
    margin-left: auto;
    display: flex;
    gap: 4px;
}

.lcni-ci-tf-btn {
    padding: 3px 10px;
    border: 1px solid var(--ci-border);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    color: var(--ci-text-muted);
    transition: all .15s;
}

.lcni-ci-tf-btn:hover {
    border-color: rgba(255,255,255,.25);
    color: var(--ci-text);
}

.lcni-ci-tf-btn.active {
    background: var(--ci-blue);
    border-color: var(--ci-blue);
    color: #fff;
    font-weight: 600;
}

/* ── Chart areas ─────────────────────────────────────────── */
.lcni-ci-chart {
    width: 100%;
}

.lcni-ci-chart--sub {
    margin-top: 6px;
    border-top: 1px solid var(--ci-border);
    padding-top: 4px;
}

.lcni-ci-impact {
    margin-top: 8px;
}

.lcni-ci-impact-empty {
    height: 100%;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ci-text-muted);
    font-size: 12px;
    border: 1px dashed var(--ci-border);
    border-radius: 8px;
}

/* ── Breadth bar ─────────────────────────────────────────── */
.lcni-ci-breadth {
    display: flex;
    gap: 20px;
    padding: 8px 0 2px;
    font-size: 12px;
    color: var(--ci-text-muted);
    border-top: 1px solid var(--ci-border);
    margin-top: 6px;
}

.lcni-ci-breadth strong {
    color: var(--ci-text);
}

/* ── States ──────────────────────────────────────────────── */
.lcni-ci-loader {
    text-align: center;
    padding: 20px;
    color: var(--ci-text-muted);
    font-size: 13px;
}

.lcni-ci-error {
    padding: 12px;
    color: var(--ci-red);
    background: rgba(248,81,73,.1);
    border: 1px solid rgba(248,81,73,.3);
    border-radius: 6px;
    font-size: 13px;
}

/* ── List cards ──────────────────────────────────────────── */
.lcni-ci-card {
    display: block;
    padding: 16px;
    border: 1px solid var(--ci-border);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    background: var(--ci-bg-surface);
    transition: box-shadow .15s, border-color .15s;
}

.lcni-ci-card:hover {
    border-color: rgba(88,166,255,.4);
    box-shadow: 0 2px 12px rgba(88,166,255,.1);
}

.lcni-ci-card__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--ci-text-muted);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lcni-ci-card__value {
    font-size: 22px;
    font-weight: 700;
    color: var(--ci-text);
    letter-spacing: -0.5px;
    margin-bottom: 6px;
}

.lcni-ci-card__meta {
    font-size: 11px;
    color: var(--ci-text-muted);
}

/* ── Formula annotation panel ─────────────────────────────────────────── */
.lcni-ci-formula {
    margin-top: 12px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 8px;
    overflow: hidden;
}

.lcni-ci-formula__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #8b949e;
    cursor: pointer;
    user-select: none;
    list-style: none;
    background: rgba(255,255,255,.02);
    transition: background .15s, color .15s;
}
.lcni-ci-formula__toggle::-webkit-details-marker { display: none; }
.lcni-ci-formula__toggle::before {
    content: '▶';
    font-size: 9px;
    transition: transform .2s;
    color: #6b7280;
}
details.lcni-ci-formula[open] .lcni-ci-formula__toggle::before {
    transform: rotate(90deg);
}
.lcni-ci-formula__toggle:hover {
    background: rgba(255,255,255,.05);
    color: #c9d1d9;
}

.lcni-ci-formula__body {
    padding: 14px 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,.06);
}

.lcni-ci-formula__block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lcni-ci-formula__section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #e8b84b;
}

.lcni-ci-formula__desc {
    font-size: 12px;
    color: #8b949e;
    line-height: 1.6;
}
.lcni-ci-formula__desc strong { color: #c9d1d9; }
.lcni-ci-formula__desc em { color: #34d399; font-style: normal; font-weight: 600; }

/* Công thức dạng bảng */
.lcni-ci-formula__formula {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: rgba(255,255,255,.03);
    border-radius: 6px;
    padding: 10px 12px;
    border-left: 2px solid #e8b84b;
}

.lcni-ci-formula__line {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.lcni-ci-formula__label {
    font-size: 11px;
    color: #6b7280;
    min-width: 140px;
    flex-shrink: 0;
}

.lcni-ci-formula__eq {
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: #c9d1d9;
    font-weight: 600;
}
.lcni-ci-formula__eq sub {
    font-size: 9px;
    color: #8b949e;
}

/* Chú giải ký hiệu */
.lcni-ci-formula__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 11px;
    color: #6b7280;
}
.lcni-ci-formula__legend b { color: #c9d1d9; }
.lcni-ci-formula__legend sub { font-size: 9px; }

/* Lợi ích */
.lcni-ci-formula__benefits {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lcni-ci-formula__benefit {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.lcni-ci-formula__benefit-icon {
    font-size: 16px;
    flex-shrink: 0;
    line-height: 1.4;
}

.lcni-ci-formula__benefit div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lcni-ci-formula__benefit strong {
    font-size: 12px;
    color: #c9d1d9;
    font-weight: 600;
}

.lcni-ci-formula__benefit span {
    font-size: 11px;
    color: #6b7280;
    line-height: 1.5;
}

/* Mobile */
@media (max-width: 480px) {
    .lcni-ci-formula__label { min-width: 100px; }
    .lcni-ci-formula__line  { gap: 6px; }
}