/* ── Card ────────────────────────────────────────────────────────────────── */
.bs-card {
    background: var(--bs-card-bg);
    border: 1px solid var(--bs-card-border);
    border-radius: var(--bs-card-radius);
    box-shadow: var(--bs-card-shadow);
    padding: var(--bs-card-padding);
    margin-bottom: var(--bs-spacing-md);
}

.bs-card-title {
    font-size: var(--bs-font-size-h3);
    font-weight: 600;
    margin: 0 0 var(--bs-spacing-md);
    padding-bottom: var(--bs-spacing-sm);
    border-bottom: 1px solid var(--bs-color-border-subtle);
    color: var(--bs-color-text);
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

/* Section card — numbered header (via counter or explicit .bs-card-step-N) */
.bs-card-section {
    border: 1px solid var(--bs-color-border);
    border-radius: var(--bs-card-radius);
    overflow: hidden;
    margin-bottom: var(--bs-spacing-md);
    box-shadow: var(--bs-shadow-xs);
}

.bs-card-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px var(--bs-card-padding);
    background: var(--bs-color-bg-subtle);
    border-bottom: 1px solid var(--bs-color-border);
    font-size: var(--bs-font-size-base);
    font-weight: 600;
    color: var(--bs-color-text);
    letter-spacing: -0.01em;
}

.bs-card-section-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bs-color-primary);
    color: white;
    font-size: var(--bs-font-size-xs);
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1;
}

.bs-card-section-body {
    padding: var(--bs-card-padding);
    background: var(--bs-card-bg);
}

/* ── Badge ───────────────────────────────────────────────────────────────── */
.bs-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: var(--bs-font-size-xs);
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.01em;
    line-height: 1.4;
}

.bs-badge-primary   { background: var(--bs-color-primary-light);   color: var(--bs-color-primary); }
.bs-badge-success   { background: var(--bs-color-success-light);   color: var(--bs-color-success); }
.bs-badge-danger    { background: var(--bs-color-danger-light);    color: var(--bs-color-danger); }
.bs-badge-warning   { background: var(--bs-color-warning-light);   color: var(--bs-color-warning); }
.bs-badge-info      { background: var(--bs-color-info-light);      color: var(--bs-color-info); }
.bs-badge-secondary { background: var(--bs-color-secondary-light); color: var(--bs-color-secondary); }

/* Dot indicator inside badge */
.bs-badge::before {
    content: '';
    display: none;
}
.bs-badge-dot::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ── Avatar ──────────────────────────────────────────────────────────────── */
.bs-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bs-color-primary-light);
    color: var(--bs-color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--bs-font-size-sm);
    text-transform: uppercase;
    flex-shrink: 0;
    letter-spacing: 0.02em;
}

.bs-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.bs-avatar-sm { width: 30px; height: 30px; font-size: 0.68rem; }
.bs-avatar-lg { width: 48px; height: 48px; font-size: 1rem; }

/* ── Chip ────────────────────────────────────────────────────────────────── */
.bs-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 16px;
    background: var(--bs-color-secondary-light);
    color: var(--bs-color-text-secondary);
    font-size: var(--bs-font-size-sm);
    border: 1px solid var(--bs-color-border);
    font-weight: 500;
    white-space: nowrap;
    transition: background var(--bs-transition);
}

.bs-chip:hover { background: var(--bs-color-secondary-mid); }

.bs-chip-remove {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--bs-color-text-muted);
    padding: 0;
    line-height: 1;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.bs-chip-remove:hover { color: var(--bs-color-danger); }

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.bs-tab-header {
    display: flex;
    border-bottom: 1px solid var(--bs-color-border);
    gap: 0;
    margin-bottom: var(--bs-spacing-lg);
    overflow-x: auto;
    scrollbar-width: none;
}

.bs-tab-header::-webkit-scrollbar { display: none; }

.bs-tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    font-size: var(--bs-font-size-base);
    font-weight: 500;
    color: var(--bs-color-text-secondary);
    transition: color var(--bs-transition), border-color var(--bs-transition);
    white-space: nowrap;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.bs-tab-btn:hover { color: var(--bs-color-text); }

.bs-tab-btn.active {
    color: var(--bs-color-primary);
    border-bottom-color: var(--bs-color-primary);
    font-weight: 600;
}

.bs-tab-count {
    font-size: var(--bs-font-size-xs);
    background: var(--bs-color-secondary-light);
    color: var(--bs-color-text-secondary);
    padding: 1px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.bs-tab-btn.active .bs-tab-count {
    background: var(--bs-color-primary-light);
    color: var(--bs-color-primary);
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.bs-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 56px var(--bs-spacing-lg);
    color: var(--bs-color-text-muted);
    text-align: center;
    gap: var(--bs-spacing-md);
}

.bs-empty-icon {
    font-size: 2.5rem;
    opacity: 0.3;
}

.bs-empty-text {
    font-size: var(--bs-font-size-base);
    font-weight: 500;
    color: var(--bs-color-text-secondary);
}

.bs-empty-sub {
    font-size: var(--bs-font-size-sm);
    color: var(--bs-color-text-muted);
    margin-top: -8px;
}

/* ── Info box (preview, highlight, note) ─────────────────────────────────── */
.bs-info-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bs-color-primary-light);
    border: 1px solid var(--bs-color-primary-mid);
    border-radius: var(--bs-input-radius);
    font-size: var(--bs-font-size-sm);
}

.bs-info-box-label {
    color: var(--bs-color-text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.bs-info-box-value {
    color: var(--bs-color-primary);
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', monospace;
    letter-spacing: 0.03em;
    font-size: 0.9rem;
}

.bs-info-box-warning {
    background: var(--bs-color-warning-light);
    border-color: var(--bs-color-warning-mid);
}

.bs-info-box-warning .bs-info-box-value {
    color: var(--bs-color-warning);
}

/* ── KPI / Stat card ─────────────────────────────────────────────────────── */
.bs-kpi-card {
    background: var(--bs-card-bg);
    border: 1px solid var(--bs-card-border);
    border-radius: var(--bs-card-radius);
    padding: var(--bs-card-padding);
    box-shadow: var(--bs-card-shadow);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bs-kpi-label {
    font-size: var(--bs-font-size-sm);
    color: var(--bs-color-text-secondary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.bs-kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--bs-color-text);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.bs-kpi-change {
    font-size: var(--bs-font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
}

.bs-kpi-change-up   { color: var(--bs-color-success); }
.bs-kpi-change-down { color: var(--bs-color-danger); }