/* =========================================================
   AllCommercialListings — Design System v1.0
   Single source of truth for all UI tokens + components
   Load AFTER bootstrap.min.css and BEFORE app.css
   ========================================================= */

/* ─── 1. TOKENS ─────────────────────────────────────────── */
:root {
    /* Primary */
    --color-primary:          #2563eb;
    --color-primary-hover:    #1d4ed8;
    --color-primary-active:   #1e40af;
    --color-primary-light:    #eff6ff;
    --color-primary-tint:     #dbeafe;
    --color-primary-text:     #1e40af;

    /* Navy */
    --color-navy:             #111827;
    --color-navy-hover:       #1f2937;
    --color-navy-sidebar:     #0f172a;

    /* Surface */
    --color-white:            #ffffff;
    --color-bg:               #f9fafb;
    --color-bg-subtle:        #f3f4f6;

    /* Borders */
    --color-border:           #e5e7eb;
    --color-border-light:     #f3f4f6;

    /* Text */
    --color-text-primary:     #111827;
    --color-text-body:        #374151;
    --color-text-secondary:   #6b7280;
    --color-text-muted:       #9ca3af;

    /* Semantic */
    --color-success:          #059669;
    --color-success-hover:    #047857;
    --color-success-light:    #d1fae5;
    --color-success-text:     #065f46;

    --color-warning:          #d97706;
    --color-warning-light:    #fef3c7;
    --color-warning-text:     #92400e;

    --color-danger:           #dc2626;
    --color-danger-light:     #fee2e2;
    --color-danger-text:      #991b1b;

    /* Type */
    --font-sans:   'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --text-4xl:   2.25rem;
    --text-3xl:   1.875rem;
    --text-2xl:   1.5rem;
    --text-xl:    1.25rem;
    --text-lg:    1.0625rem;
    --text-base:  0.9375rem;
    --text-sm:    0.875rem;
    --text-xs:    0.75rem;

    /* Spacing (8px base) */
    --space-1:    4px;
    --space-2:    8px;
    --space-3:    12px;
    --space-4:    16px;
    --space-5:    20px;
    --space-6:    24px;
    --space-8:    32px;
    --space-10:   40px;
    --space-12:   48px;
    --space-16:   64px;

    /* Radius */
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  14px;
    --radius-xl:  20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:  0 4px 16px rgba(0,0,0,.07), 0 2px 6px rgba(0,0,0,.04);
    --shadow-lg:  0 8px 32px rgba(0,0,0,.09), 0 4px 12px rgba(0,0,0,.05);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --content-max:   1280px;

    /* CRE Building Background System */
    --cre-building-url: url('/images/landing/cre-building-bg.svg');
    --cre-sky-from:     #eef6ff;
    --cre-sky-mid:      #e4f0fa;
    --cre-sky-to:       #dbeafe;
    --cre-border:       #dbeafe;
}

/* ─── CRE BACKGROUND UTILITIES ──────────────────────────── */

/* Full-strength hero: soft light blue gradient */
.cre-bg-hero {
    background: linear-gradient(160deg, #eef6ff 0%, #f4f8ff 38%, #f9fbff 65%, #ffffff 100%);
}

/* Dashboard morning brief card */
.cre-bg-brief {
    background: linear-gradient(135deg, #eef6ff 0%, #f5f9ff 100%);
    border: 1.5px solid var(--cre-border) !important;
    border-left: 4px solid var(--color-primary) !important;
    box-shadow: 0 2px 16px rgba(37,99,235,.06) !important;
}

/* Dashboard topbar: clean white */
.cre-bg-topbar {
    background: rgba(255,255,255,.98);
}

/* AI/tool page headers inside dashboard */
.cre-bg-page-header {
    background: linear-gradient(160deg, #eef6ff 0%, #f5f9ff 60%, #ffffff 100%);
    border-radius: var(--radius-lg);
    border: 1px solid #e8f0fe;
    box-shadow: 0 2px 12px rgba(37,99,235,.05);
    padding: 22px 28px;
}

/* ─── 2. BOOTSTRAP OVERRIDES ────────────────────────────── */
/* Align Bootstrap's primary with our design token */
.btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #fff !important;
    font-weight: 600;
    border-radius: var(--radius-md);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,.25) !important;
}
.btn-outline-primary {
    color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}
.btn-outline-primary:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12) !important;
}
.badge.bg-primary { background-color: var(--color-primary) !important; }
.text-primary { color: var(--color-primary) !important; }

/* ─── 3. BASE ───────────────────────────────────────────── */
body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text-body);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── 4. BUTTONS ────────────────────────────────────────── */
.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 40px;
    padding: 0 var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    font-family: var(--font-sans);
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}
.ds-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37,99,235,.3);
}
.ds-btn-sm { height: 34px; padding: 0 var(--space-3); font-size: var(--text-xs); }
.ds-btn-lg { height: 48px; padding: 0 var(--space-8); font-size: var(--text-base); }

/* Primary */
.ds-btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}
.ds-btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: #fff; }

/* Secondary */
.ds-btn-secondary {
    background: var(--color-bg-subtle);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}
.ds-btn-secondary:hover { background: var(--color-border); color: var(--color-text-primary); }

/* Outline */
.ds-btn-outline {
    background: var(--color-white);
    border-color: var(--color-border);
    color: var(--color-text-body);
}
.ds-btn-outline:hover { background: var(--color-bg-subtle); border-color: var(--color-text-muted); }

/* Ghost */
.ds-btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--color-text-secondary);
}
.ds-btn-ghost:hover { background: var(--color-bg-subtle); color: var(--color-text-primary); }

/* Danger */
.ds-btn-danger {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}
.ds-btn-danger:hover { background: #b91c1c; }

/* Success */
.ds-btn-success {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}
.ds-btn-success:hover { background: var(--color-success-hover); }

/* Disabled state */
.ds-btn:disabled, .ds-btn[disabled] {
    opacity: .5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ─── 5. CARDS ──────────────────────────────────────────── */
.ds-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.ds-card-body { padding: var(--space-6); }
.ds-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-primary);
}
.ds-card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-subtle);
}
.ds-card-hover {
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    cursor: pointer;
}
.ds-card-hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* ─── 6. KPI / METRIC CARDS ─────────────────────────────── */
.ds-kpi-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    transition: box-shadow var(--transition-base);
}
.ds-kpi-card:hover { box-shadow: var(--shadow-md); }
.ds-kpi-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: var(--space-1);
}
.ds-kpi-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.15;
    margin-bottom: var(--space-1);
}
.ds-kpi-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
}
.ds-kpi-trend.up   { color: var(--color-success); }
.ds-kpi-trend.down { color: var(--color-danger); }
.ds-kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
/* Icon color variants */
.ds-kpi-icon.blue   { background: var(--color-primary-tint); color: var(--color-primary); }
.ds-kpi-icon.green  { background: var(--color-success-light); color: var(--color-success); }
.ds-kpi-icon.amber  { background: var(--color-warning-light); color: var(--color-warning); }
.ds-kpi-icon.purple { background: #ede9fe; color: #7c3aed; }
.ds-kpi-icon.navy   { background: #f1f5f9; color: var(--color-navy); }

/* ─── 7. BADGES ─────────────────────────────────────────── */
.ds-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}
/* Status */
.ds-badge-active   { background: var(--color-success-light); color: var(--color-success-text); }
.ds-badge-pending  { background: var(--color-warning-light); color: var(--color-warning-text); }
.ds-badge-sold     { background: var(--color-danger-light);  color: var(--color-danger-text); }
.ds-badge-draft    { background: var(--color-bg-subtle);     color: var(--color-text-body); }
.ds-badge-featured { background: var(--color-warning-light); color: var(--color-warning-text); }
/* Type */
.ds-badge-type     { background: var(--color-primary-tint);  color: var(--color-primary-text); }
.ds-badge-ai       { background: var(--color-primary-tint);  color: var(--color-primary-text); }
.ds-badge-new      { background: var(--color-primary-tint);  color: var(--color-primary-text); font-size: .65rem; }

/* ─── 8. ICON BADGE (colored square behind icon) ───────── */
.ds-icon-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.ds-icon-badge-sm { width: 32px; height: 32px; font-size: .9rem; }
.ds-icon-badge-lg { width: 52px; height: 52px; font-size: 1.4rem; border-radius: var(--radius-lg); }
.ds-icon-badge.blue   { background: var(--color-primary-tint);  color: var(--color-primary); }
.ds-icon-badge.green  { background: var(--color-success-light); color: var(--color-success); }
.ds-icon-badge.amber  { background: var(--color-warning-light); color: var(--color-warning); }
.ds-icon-badge.purple { background: #ede9fe; color: #7c3aed; }
.ds-icon-badge.navy   { background: #f1f5f9; color: var(--color-navy); }
.ds-icon-badge.red    { background: var(--color-danger-light);  color: var(--color-danger); }

/* ─── 9. FORMS ──────────────────────────────────────────── */
.ds-form-group { margin-bottom: var(--space-4); }
.ds-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
    letter-spacing: .01em;
}
.ds-input, .ds-select, .ds-textarea {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 var(--space-3);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
}
.ds-textarea { height: auto; padding: var(--space-3); resize: vertical; }
.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.ds-input::placeholder, .ds-textarea::placeholder {
    color: var(--color-text-muted);
}
.ds-input-error {
    border-color: var(--color-danger) !important;
    box-shadow: 0 0 0 3px rgba(220,38,38,.1) !important;
}
.ds-error-msg { font-size: var(--text-xs); color: var(--color-danger); margin-top: 4px; }

/* ─── 10. DASHBOARD PANELS ──────────────────────────────── */
.ds-panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--space-6);
}
.ds-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    flex-wrap: wrap;
}
.ds-panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}
.ds-panel-subtitle {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}
.ds-panel-body { padding: var(--space-5) var(--space-6); }

/* ─── 11. PAGE HEADER ───────────────────────────────────── */
.ds-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}
.ds-page-title {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-1);
    letter-spacing: -.02em;
}
.ds-page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin: 0;
}
.ds-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}
.ds-breadcrumb a { color: var(--color-text-secondary); text-decoration: none; }
.ds-breadcrumb a:hover { color: var(--color-primary); }
.ds-breadcrumb-sep { color: var(--color-text-muted); font-size: .65rem; }

/* ─── 12. MORNING BRIEF ─────────────────────────────────── */
.ds-morning-brief {
    background: linear-gradient(135deg, #eef6ff 0%, #f5f9ff 60%, #ffffff 100%);
    border: 1.5px solid #dbeafe;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 16px rgba(37,99,235,.06);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}
.ds-brief-kicker {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}
.ds-brief-greeting {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0 0 var(--space-4);
    letter-spacing: -.02em;
}
.ds-brief-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
@media (max-width: 767px) { .ds-brief-metrics { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 479px) { .ds-brief-metrics { grid-template-columns: 1fr; } }
.ds-brief-metric {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
}
.ds-brief-metric-lbl {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: var(--space-1);
}
.ds-brief-metric-val {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--color-text-primary);
    line-height: 1.2;
}
.ds-brief-metric-val.blue   { color: var(--color-primary); }
.ds-brief-metric-val.green  { color: var(--color-success); }
.ds-brief-metric-val.amber  { color: var(--color-warning); }
.ds-brief-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* ─── 13. AI CARD ────────────────────────────────────────── */
.ds-ai-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.ds-ai-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}
.ds-ai-card-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.ds-ai-card-title { font-size: var(--text-sm); font-weight: 700; color: var(--color-text-primary); }
.ds-ai-card-sub   { font-size: var(--text-xs); color: var(--color-text-secondary); margin-top: 1px; }
.ds-ai-card-body  { padding: var(--space-5); }

/* AI Shortcut tile (Command Center) */
.ds-ai-shortcut {
    display: flex;
    flex-direction: column;
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
    height: 100%;
    gap: var(--space-3);
}
.ds-ai-shortcut:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-tint);
    transform: translateY(-2px);
    color: var(--color-text-primary);
}
.ds-ai-shortcut-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary-tint);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-primary);
    flex-shrink: 0;
}
.ds-ai-shortcut-title { font-size: var(--text-sm); font-weight: 700; color: var(--color-text-primary); }
.ds-ai-shortcut-desc  { font-size: var(--text-xs); color: var(--color-text-secondary); }

/* ─── 14. TABLES ─────────────────────────────────────────── */
.ds-table { width: 100%; border-collapse: collapse; }
.ds-table th {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: .05em;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.ds-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
    color: var(--color-text-body);
    vertical-align: middle;
}
.ds-table tbody tr:hover td { background: var(--color-bg); }
.ds-table tbody tr:last-child td { border-bottom: none; }

/* ─── 15. EMPTY STATE ───────────────────────────────────── */
.ds-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-6);
    text-align: center;
    color: var(--color-text-secondary);
}
.ds-empty-icon {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}
.ds-empty-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}
.ds-empty-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    max-width: 400px;
    line-height: 1.6;
    margin-bottom: var(--space-5);
}

/* ─── 16. METRIC ROW (property details bar) ─────────────── */
.ds-metric-row {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
}
.ds-metric-cell {
    flex: 1;
    padding: var(--space-4) var(--space-4);
    border-right: 1px solid var(--color-border);
    text-align: center;
    min-width: 0;
}
.ds-metric-cell:last-child { border-right: none; }
.ds-metric-val { font-size: 1rem; font-weight: 800; color: var(--color-text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-metric-val.primary { color: var(--color-primary); }
.ds-metric-val.success { color: var(--color-success); }
.ds-metric-val.warning { color: var(--color-warning); }
.ds-metric-val.danger  { color: var(--color-danger); }
.ds-metric-lbl { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 3px; font-weight: 500; }
@media (max-width: 640px) {
    .ds-metric-row { flex-wrap: wrap; }
    .ds-metric-cell { flex: 0 0 33.33%; border-bottom: 1px solid var(--color-border); }
}

/* ─── 17. SKELETON LOADING ──────────────────────────────── */
.ds-skeleton {
    background: linear-gradient(90deg,
        var(--color-border) 25%,
        var(--color-bg-subtle) 50%,
        var(--color-border) 75%);
    background-size: 200% 100%;
    animation: ds-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes ds-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ─── 18. SECTION DIVIDER UTILITY ───────────────────────── */
.ds-section-label {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.ds-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border-light);
}

/* ─── 19. AVATAR ─────────────────────────────────────────── */
.ds-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    flex-shrink: 0;
    text-transform: uppercase;
    overflow: hidden;
}
.ds-avatar-sm { width: 28px; height: 28px; font-size: var(--text-xs); }
.ds-avatar-lg { width: 56px; height: 56px; font-size: 1.25rem; }
.ds-avatar-xl { width: 72px; height: 72px; font-size: 1.5rem; }
.ds-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ─── 20. LIST GROUP ─────────────────────────────────────── */
.ds-list { list-style: none; padding: 0; margin: 0; }
.ds-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
    color: var(--color-text-body);
    text-decoration: none;
    transition: background var(--transition-fast);
}
.ds-list-item:last-child { border-bottom: none; }
.ds-list-item:hover, a.ds-list-item:hover { background: var(--color-bg); color: var(--color-text-primary); }
.ds-list-item.unread { background: var(--color-primary-light); }

/* ─── 21. THUMBNAIL ─────────────────────────────────────── */
.ds-thumb {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--color-bg-subtle);
    background-size: cover;
    background-position: center;
}

/* ─── 22. DATE BOX ──────────────────────────────────────── */
.ds-date-box {
    width: 48px;
    height: 54px;
    background: var(--color-primary-tint);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ds-date-box-month { font-size: .65rem; font-weight: 600; text-transform: uppercase; color: var(--color-primary); letter-spacing: .04em; }
.ds-date-box-day   { font-size: 1.2rem; font-weight: 800; color: var(--color-primary); line-height: 1; }

/* ─── 23. UTILITY ───────────────────────────────────────── */
.ds-text-primary   { color: var(--color-text-primary)   !important; }
.ds-text-secondary { color: var(--color-text-secondary) !important; }
.ds-text-muted     { color: var(--color-text-muted)     !important; }
.ds-text-blue      { color: var(--color-primary)        !important; }
.ds-text-green     { color: var(--color-success)        !important; }
.ds-text-amber     { color: var(--color-warning)        !important; }
.ds-text-red       { color: var(--color-danger)         !important; }
.ds-bg-blue        { background: var(--color-primary-light) !important; }
.ds-bg-green       { background: var(--color-success-light) !important; }
.ds-bg-amber       { background: var(--color-warning-light) !important; }
.ds-fw-800         { font-weight: 800 !important; }
.ds-fw-700         { font-weight: 700 !important; }
.ds-fw-600         { font-weight: 600 !important; }

/* Gap utilities for flex/grid layouts */
.ds-gap-1 { gap: var(--space-1); }
.ds-gap-2 { gap: var(--space-2); }
.ds-gap-3 { gap: var(--space-3); }
.ds-gap-4 { gap: var(--space-4); }
.ds-gap-6 { gap: var(--space-6); }