/* ============================================
   SALESTRACK — MERCHANT EDITION
   Light, refined commerce dashboard
   Palette: warm ivory + ink + obsidian + gold
   ============================================ */

:root {
    /* Surfaces */
    --bg-app:           #F4F1EA;   /* warm linen canvas */
    --bg-surface:       #FFFFFF;   /* card surface */
    --bg-surface-2:     #FAF8F3;   /* nested / subtle surface */
    --bg-sidebar:       #FFFFFF;
    --bg-topbar:        rgba(255, 255, 255, 0.85);
    --bg-input:         #FFFFFF;
    --bg-input-soft:    #F8F6F1;

    /* Ink (text) */
    --ink:              #1C1A17;   /* near-black, warm tint */
    --ink-strong:       #0D0B08;
    --ink-muted:        #5A615E;
    --ink-subtle:       #686E6B;
    --ink-faint:        #B6B9B6;
    --ink-invert:       #FFFFFF;

    /* Brand */
    --accent:           #B8860B;   /* rich gold */
    --accent-strong:    #9A7209;
    --accent-soft:      #FBF3E0;
    --accent-ring:      rgba(184, 134, 11, 0.20);
    --gold:             #B47A1E;   /* copper / saffron */
    --gold-soft:        #FBF1DC;

    /* Status */
    --success:          #15803D;
    --success-soft:     #E1F5E7;
    --danger:           #B23B3B;
    --danger-soft:      #FBE6E6;
    --warning:          #A6651A;
    --warning-soft:     #FBEFD8;
    --info:             #1E4FA8;
    --info-soft:        #E3EBF8;
    --revenue:          #6B36B6;
    --revenue-soft:     #EEE5FA;

    /* Lines */
    --border:           #E7E2D5;
    --border-strong:    #D6CFBE;
    --border-soft:      #EFEBE0;
    --divider:          #ECE8DC;

    /* Effects */
    --shadow-xs:        0 1px 2px rgba(20, 28, 24, 0.04);
    --shadow-sm:        0 1px 2px rgba(20, 28, 24, 0.04), 0 1px 3px rgba(20, 28, 24, 0.05);
    --shadow-md:        0 4px 12px rgba(20, 28, 24, 0.06), 0 1px 3px rgba(20, 28, 24, 0.04);
    --shadow-lg:        0 12px 28px rgba(20, 28, 24, 0.10), 0 4px 8px rgba(20, 28, 24, 0.05);

    /* Shape */
    --radius-xs:        6px;
    --radius-sm:        8px;
    --radius:           12px;
    --radius-lg:        16px;
    --radius-pill:      999px;

    --transition:       color 140ms ease, background-color 140ms ease, border-color 140ms ease, opacity 140ms ease, transform 140ms ease;
    --transition-fast:  color 100ms ease, background-color 100ms ease, border-color 100ms ease, opacity 100ms ease;

    --font:             'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-num:         'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.no-transitions,
.no-transitions *,
.no-transitions *::before,
.no-transitions *::after {
    transition: none !important;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg-app);
    color: var(--ink);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv11', 'ss01', 'ss03';
    letter-spacing: -0.005em;

    /* subtle linen weave — very faint */
    background-image:
        radial-gradient(rgba(120, 100, 60, 0.04) 1px, transparent 1px),
        radial-gradient(rgba(120, 100, 60, 0.03) 1px, transparent 1px);
    background-size: 24px 24px, 24px 24px;
    background-position: 0 0, 12px 12px;
}

/* Tabular numerals where we display money/counts */
.stat-value,
.category-stat-value,
.product-stat-value,
.activity-table td,
.date-display,
#dashRevenue {
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum';
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-pill);
    border: 2px solid var(--bg-app);
}
::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }

/* Selection */
::selection { background: var(--accent-soft); color: var(--accent-strong); }

/* Layout */
#app {
    display: flex;
    min-height: 100vh;
    min-width: 0;
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
}

canvas {
    max-width: 100% !important;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: 248px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed { transform: translateX(-100%); }

.sidebar-header {
    padding: 22px 20px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -0.02em;
}

.logo-img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    object-fit: contain;
}

.logo svg {
    stroke: var(--accent);
    width: 26px;
    height: 26px;
    padding: 4px;
    background: var(--accent-soft);
    border-radius: 8px;
    box-sizing: content-box;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--ink-muted);
    cursor: pointer;
    padding: 6px;
    display: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.sidebar-toggle:hover { color: var(--ink); background: var(--bg-surface-2); }

/* Section label hint inside sidebar (optional, kept for future) */
.sidebar-nav {
    flex: 1;
    padding: 8px 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--ink-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    letter-spacing: -0.005em;
}

.nav-item svg {
    stroke: var(--ink-subtle);
    stroke-width: 1.75;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.nav-item:hover {
    background: var(--bg-surface-2);
    color: var(--ink-strong);
}
.nav-item:hover svg { stroke: var(--ink); }

.nav-item.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 600;
}
.nav-item.active svg { stroke: var(--accent); }

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.sidebar-footer {
    padding: 14px 12px 18px;
    border-top: 1px solid var(--divider);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* ============================================
   MAIN
   ============================================ */
.main-content {
    flex: 1;
    margin-left: 248px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
    max-width: 100%;
    width: 100%;
    transition: margin-left 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Topbar */
.topbar {
    height: 60px;
    background: var(--bg-topbar);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 16px;
    min-width: 0;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}
.menu-toggle:hover { background: var(--bg-surface-2); }

.topbar-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.015em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: 11px;
    stroke: var(--ink-subtle);
    pointer-events: none;
}

.search-box input {
    background: var(--bg-input-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px 8px 36px;
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.875rem;
    width: 260px;
    outline: none;
    transition: var(--transition-fast);
}

.search-box input::placeholder { color: var(--ink-subtle); }

.search-box input:focus {
    border-color: var(--accent);
    background: var(--bg-input);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.date-display {
    font-size: 0.8125rem;
    color: var(--ink-muted);
    font-weight: 500;
    padding: 6px 12px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    white-space: nowrap;
}

/* Offline-First Sync Indicator Pill */
.sync-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 6px 12px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    white-space: nowrap;
    cursor: default;
    transition: var(--transition-fast);
}

.sync-pill .sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    flex-shrink: 0;
    transition: background-color 0.25s ease;
}

.sync-pill.online-synced .sync-dot {
    background: #10b981;
}

.sync-pill.syncing .sync-dot {
    background: #f59e0b;
    animation: syncDotPulse 1.2s infinite;
}

.sync-pill.offline .sync-dot {
    background: #ef4444;
}

.sync-pill.sync-alert .sync-dot {
    background: #dc2626;
    animation: syncDotPulse 0.8s infinite;
}

@keyframes syncDotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.8); }
}

/* Content scroll */
.content-scroll {
    flex: 1;
    padding: 28px;
    overflow-y: auto;
    overflow-x: hidden;
    max-width: 1440px;
    width: 100%;
    min-width: 0;
    margin: 0 auto;
}

/* ============================================
   PAGES
   ============================================ */
.page { display: none; animation: fadeIn 0.25s ease; }
.page.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -0.02em;
}

.page-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* ============================================
   CARDS — formerly .glass
   ============================================ */
.glass {
    background: var(--bg-surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}

/* ============================================
   STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

/* Lock dashboard stats to a balanced 3-column / 6-column layout
   so 6 cards never wrap into an awkward 5+1 row. */
@media (min-width: 1180px) {
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1500px) {
    .stats-grid { grid-template-columns: repeat(6, 1fr); }
}

.stat-card {
    padding: 18px 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    stroke-width: 2;
    width: 18px;
    height: 18px;
}

.icon-primary { background: var(--accent-soft); }
.icon-primary svg { stroke: var(--accent); }

.icon-success { background: var(--success-soft); }
.icon-success svg { stroke: var(--success); }

.icon-warning { background: var(--warning-soft); }
.icon-warning svg { stroke: var(--warning); }

.icon-danger  { background: var(--danger-soft); }
.icon-danger svg  { stroke: var(--danger); }

.icon-revenue { background: var(--revenue-soft); }
.icon-revenue svg { stroke: var(--revenue); }

.icon-info    { background: var(--info-soft); }
.icon-info svg    { stroke: var(--info); }

.stat-info { flex: 1; min-width: 0; }

.stat-label {
    font-size: 0.75rem;
    color: var(--ink-muted);
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--ink-strong);
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.stat-change {
    font-size: 0.75rem;
    margin-top: 6px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.stat-change.positive { color: var(--success); }
.stat-change.positive::before {
    content: '●';
    color: var(--success);
    font-size: 0.5rem;
    animation: pulseDot 2s ease-in-out infinite;
}
.stat-change.negative { color: var(--danger); }

@keyframes pulseDot {
    0%, 100% { opacity: 0.5; }
    50%      { opacity: 1; }
}

/* ============================================
   CHARTS
   ============================================ */
.dashboard-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.chart-card {
    padding: 22px;
    transition: var(--transition-fast);
}

.chart-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.chart-card.wide { grid-column: 1 / -1; }

.chart-header {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chart-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
}

.chart-body {
    position: relative;
    height: 300px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

/* ============================================
   RECENT ACTIVITY
   ============================================ */
.recent-activity {
    padding: 22px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    gap: 8px;
    flex-wrap: wrap;
}

.section-header h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
}

.link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 600;
    transition: var(--transition-fast);
    white-space: nowrap;
    flex-shrink: 0;
}

.link:hover { color: var(--accent-strong); }

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 420px;
    overflow-y: auto;
    margin: -4px;
    padding: 4px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.activity-item:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-soft);
}

.activity-item.sale   { }
.activity-item.return { }
.activity-item.create { }
.activity-item.delete { }
.activity-item.update { }

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8125rem;
    font-weight: 700;
}

.activity-icon.sale   { background: var(--success-soft); color: var(--success); }
.activity-icon.return { background: var(--warning-soft); color: var(--warning); }
.activity-icon.create { background: var(--info-soft);    color: var(--info); }
.activity-icon.delete { background: var(--danger-soft);  color: var(--danger); }
.activity-icon.update { background: var(--accent-soft);  color: var(--accent); }

.activity-content { flex: 1; min-width: 0; }

.activity-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink-strong);
    margin-bottom: 2px;
}

.activity-meta {
    font-size: 0.75rem;
    color: var(--ink-muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.activity-note {
    font-size: 0.75rem;
    color: var(--ink-muted);
    margin-top: 6px;
    padding: 6px 10px;
    background: var(--bg-surface-2);
    border-left: 2px solid var(--border-strong);
    border-radius: 4px;
    font-style: normal;
}

/* ============================================
   CATEGORIES
   ============================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.category-card {
    padding: 20px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.category-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover::before { transform: scaleX(1); }

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 8px;
}

.category-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.category-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.category-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}

.category-stat {
    padding: 10px 12px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
}

.category-stat-value {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -0.015em;
    line-height: 1.15;
}

.category-stat-label {
    font-size: 0.6875rem;
    color: var(--ink-muted);
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.category-products-preview {
    font-size: 0.8125rem;
    color: var(--ink-muted);
    padding-top: 12px;
    border-top: 1px solid var(--divider);
    line-height: 1.5;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.product-card {
    padding: 18px;
    transition: var(--transition-fast);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.product-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}

.product-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.product-category {
    display: inline-block;
    font-size: 0.6875rem;
    color: var(--accent-strong);
    background: var(--accent-soft);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    margin-top: 6px;
    letter-spacing: 0.01em;
}

.product-actions-top { display: flex; gap: 4px; flex-shrink: 0; }

.product-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
    margin: 14px 0 10px;
}

.product-stat {
    text-align: center;
    padding: 10px 6px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
}

.product-stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -0.015em;
    line-height: 1.2;
}

.product-stat-value.stock { color: var(--info); }
.product-stat-value.sold  { color: var(--success); }
.product-stat-value.price { color: var(--gold); }

.product-stat-label {
    font-size: 0.625rem;
    color: var(--ink-muted);
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.product-notes {
    font-size: 0.75rem;
    color: var(--ink-muted);
    margin-bottom: 12px;
    min-height: 1.2em;
    line-height: 1.4;
}

.product-actions {
    display: flex;
    gap: 6px;
    margin-top: auto;
}

.product-actions .btn { flex: 1; justify-content: center; }

/* Stock indicator */
.stock-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-surface-2);
    border-radius: var(--radius-pill);
    margin: 6px 0 0;
    overflow: hidden;
    border: 1px solid var(--border-soft);
}

.stock-bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    transition: width 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.stock-bar-fill.high   { background: var(--success); }
.stock-bar-fill.medium { background: var(--warning); }
.stock-bar-fill.low    { background: var(--danger); }

/* ============================================
   INSIGHTS
   ============================================ */
.insights-panel {
    padding: 22px;
    margin-bottom: 24px;
}

.insights-panel h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.insight-card {
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-2);
    border: 1px solid var(--border-soft);
    border-left: 3px solid var(--accent);
    transition: var(--transition-fast);
}

.insight-card:hover {
    background: var(--bg-surface);
    box-shadow: var(--shadow-xs);
}

.insight-card.best  { border-left-color: var(--success); }
.insight-card.worst { border-left-color: var(--danger); }

.insight-title {
    font-size: 0.6875rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
    font-weight: 600;
}

.insight-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
}

/* ============================================
   ACTIVITY TABLE
   ============================================ */
.activity-filters {
    margin-bottom: 14px;
    display: flex;
    gap: 10px;
}

.activity-table-container { overflow-x: auto; padding: 0; }

.activity-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.activity-table th {
    text-align: left;
    padding: 12px 18px;
    color: var(--ink-muted);
    font-weight: 600;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface-2);
    white-space: nowrap;
}

.activity-table th:first-child { border-top-left-radius: var(--radius); }
.activity-table th:last-child  { border-top-right-radius: var(--radius); }

.activity-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--divider);
    color: var(--ink);
    vertical-align: middle;
}

.activity-table tr:last-child td { border-bottom: none; }

.activity-table tr:hover td { background: var(--bg-surface-2); }

.activity-table .badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.01em;
}

.badge-sale   { background: var(--success-soft); color: var(--success); }
.badge-return { background: var(--warning-soft); color: var(--warning); }
.badge-create { background: var(--info-soft);    color: var(--info); }
.badge-update { background: var(--accent-soft);  color: var(--accent-strong); }
.badge-delete { background: var(--danger-soft);  color: var(--danger); }
.badge-note   { background: var(--revenue-soft); color: var(--revenue); }

.activity-table .actions-cell {
    display: flex;
    gap: 4px;
    white-space: nowrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    white-space: nowrap;
    letter-spacing: -0.005em;
    line-height: 1.2;
}

.btn svg { width: 15px; height: 15px; stroke-width: 2; }

.btn-primary {
    background: var(--accent);
    color: var(--ink-invert);
    border-color: var(--accent);
    box-shadow: 0 1px 2px rgba(184, 134, 11, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-primary:hover {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
}

.btn-primary:active {
    transform: translateY(0.5px);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--ink-strong);
    border-color: var(--border);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
}

.btn-danger {
    background: var(--danger);
    color: var(--ink-invert);
    border-color: var(--danger);
    box-shadow: 0 1px 2px rgba(178, 59, 59, 0.20), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn-danger:hover {
    background: #9A3232;
    border-color: #9A3232;
}

.btn-outline {
    background: transparent;
    color: var(--ink-muted);
    border-color: var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
    background: var(--accent-soft);
}

.btn-outline svg { stroke: currentColor; }

.btn-sm {
    padding: 5px 10px;
    font-size: 0.75rem;
    border-radius: var(--radius-xs);
}

.btn-sm svg { width: 13px; height: 13px; }

.btn-icon {
    padding: 6px;
    min-width: 30px;
    min-height: 30px;
}

.btn-block { width: 100%; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Subtle focus ring */
.btn:focus-visible,
.nav-item:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-ring);
}

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-strong);
    margin-bottom: 6px;
    letter-spacing: 0.005em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 9px 13px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-xs);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--ink-subtle); }

.form-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A615E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--ink-muted);
    margin-top: 4px;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 32, 29, 0.45);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
    padding: 24px;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.96) translateY(8px);
    transition: transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--divider);
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.01em;
}

.modal-close {
    background: none;
    border: none;
    color: var(--ink-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.modal-body { padding: 22px; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 14px 22px;
    border-top: 1px solid var(--divider);
    background: var(--bg-surface-2);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================
   CONFIRM DIALOG
   ============================================ */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 32, 29, 0.45);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 250;
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
}

.confirm-overlay.open {
    opacity: 1;
    visibility: visible;
}

.confirm-dialog {
    padding: 26px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    transform: scale(0.96);
    transition: transform 220ms cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.confirm-overlay.open .confirm-dialog { transform: scale(1); }

.confirm-dialog h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink-strong);
    letter-spacing: -0.015em;
}

.confirm-dialog p {
    color: var(--ink-muted);
    margin-bottom: 20px;
    font-size: 0.875rem;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.confirm-actions .btn { min-width: 96px; }

/* ============================================
   TOASTS
   ============================================ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 360px;
    pointer-events: none;
}

.toast {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.25s cubic-bezier(0.4, 0, 0.2, 1),
               toastOut 0.25s cubic-bezier(0.4, 0, 0.2, 1) 2.75s forwards;
    pointer-events: all;
    font-size: 0.875rem;
    color: var(--ink-strong);
    font-weight: 500;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(20px); }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 56px 24px;
    color: var(--ink-muted);
    font-size: 0.875rem;
    grid-column: 1 / -1;
    background: var(--bg-surface);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
}

.empty-cell {
    text-align: center;
    padding: 40px;
    color: var(--ink-muted);
    font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE & MOBILE
   ============================================ */

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
}

@media (max-width: 1024px) {
    .dashboard-charts { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
    .content-scroll { padding: 20px; }
}

@media (max-width: 768px) {
    html { font-size: 14px; }

    /* Mobile Sidebar & Overlay Backdrop */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
        z-index: 100;
    }
    .sidebar.open { transform: translateX(0); }

    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(14, 19, 16, 0.55);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        z-index: 95;
        opacity: 0;
        pointer-events: none;
        transition: opacity 220ms ease;
    }
    .sidebar-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .main-content {
        margin-left: 0;
        min-width: 0;
        width: 100%;
    }

    .menu-toggle, .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Topbar optimization — no text collisions */
    .topbar {
        padding: 0 12px;
        gap: 8px;
        height: 56px;
    }

    .topbar-title {
        font-size: 0.9375rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
        flex: 1;
    }

    .topbar-actions {
        gap: 6px;
        flex-shrink: 0;
    }

    .search-box {
        display: none;
    }

    .date-display {
        display: none;
    }

    .theme-toggle,
    .lang-toggle {
        width: 34px;
        height: 34px;
        min-width: 34px;
        padding: 0;
        justify-content: center;
    }

    /* Compact sync dot on mobile — never clips topbar */
    .sync-pill {
        width: 34px;
        height: 34px;
        min-width: 34px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
        cursor: pointer;
    }
    .sync-pill .sync-label {
        display: none;
    }
    .sync-pill .sync-dot {
        width: 9px;
        height: 9px;
    }

    .content-scroll {
        padding: 16px 14px;
        min-width: 0;
    }

    /* 2-Column Balanced KPI Stats Grid + Full-Width Revenue */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        grid-auto-flow: dense;
        margin-bottom: 18px;
    }
    .stat-card.stat-revenue {
        grid-column: 1 / -1;
    }
    .stat-card {
        padding: 12px 14px;
        gap: 10px;
        min-width: 0;
    }
    .stat-icon {
        width: 34px;
        height: 34px;
        border-radius: 8px;
    }
    .stat-icon svg {
        width: 16px;
        height: 16px;
    }
    .stat-label {
        font-size: 0.6875rem;
        line-height: 1.3;
    }
    .stat-value {
        font-size: 1.35rem;
        margin-top: 2px;
    }
    .stat-change {
        font-size: 0.6875rem;
        margin-top: 4px;
    }

    /* Charts & Cards */
    .chart-card,
    .recent-activity {
        padding: 16px;
        min-width: 0;
    }
    .chart-body {
        height: 220px;
    }

    /* Categories & Products */
    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Page headers & actions */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-bottom: 16px;
    }
    .page-header h2 {
        font-size: 1.25rem;
    }
    .page-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        width: 100%;
    }
    .page-actions .form-select {
        width: 100%;
    }
    .page-actions #addProductBtn,
    #addCategoryBtn {
        grid-column: 1 / -1;
        width: 100%;
        justify-content: center;
    }

    /* Product card stats (Stock, Sold, Price in 3 clean columns) */
    .product-stats-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
        margin: 10px 0 8px;
    }
    .product-stat {
        padding: 8px 4px;
    }
    .product-stat-value {
        font-size: 0.875rem;
    }
    .product-stat-label {
        font-size: 0.5625rem;
    }

    /* Analytics */
    .insights-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .insight-card {
        padding: 12px 14px;
    }

    /* Activity Table */
    .activity-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius);
        max-width: 100%;
    }
    .activity-table {
        min-width: 580px;
        font-size: 0.8125rem;
    }
    .activity-table th,
    .activity-table td {
        padding: 10px 12px;
    }

    /* Modals & Dialogs */
    .modal {
        max-width: 100%;
        margin: 12px;
        max-height: calc(100vh - 24px);
    }
    .modal-header {
        padding: 14px 16px;
    }
    .modal-body {
        padding: 16px;
    }
    .modal-footer {
        padding: 12px 16px;
        flex-direction: column-reverse;
        gap: 8px;
    }
    .modal-footer .btn {
        width: 100%;
    }
    .confirm-actions {
        flex-direction: column;
        gap: 8px;
    }
    .confirm-actions .btn {
        width: 100%;
    }

    /* iOS Safari Auto-Zoom Prevention (inputs >= 16px) */
    .form-input,
    .form-select,
    .form-textarea,
    .search-box input,
    .fx-input {
        font-size: 16px !important;
    }
}

@media (max-width: 480px) {
    .content-scroll {
        padding: 14px 10px;
    }
    .topbar {
        padding: 0 10px;
    }
    .stats-grid {
        gap: 8px;
    }
    .stat-card {
        padding: 10px 12px;
        gap: 8px;
    }
    .stat-value {
        font-size: 1.25rem;
    }
    .stat-label {
        font-size: 0.625rem;
    }
    .chart-card,
    .recent-activity {
        padding: 12px;
    }
    .chart-body {
        height: 200px;
    }
    .insights-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden { display: none !important; }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted   { color: var(--ink-muted); }

/* ============================================
   THEME TOGGLE
   ============================================ */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--ink-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-xs);
    padding: 0;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--border-strong);
    background: var(--bg-surface-2);
}

.theme-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.theme-toggle .theme-icon { display: none; }

[data-theme="light"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"]  .theme-toggle .icon-sun  { display: block; }

/* ============================================
   LANGUAGE SWITCHER
   ============================================ */
.lang-switcher {
    position: relative;
    display: inline-flex;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--ink-strong);
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-xs);
    letter-spacing: 0.02em;
}

.lang-toggle:hover {
    background: var(--bg-surface-2);
    border-color: var(--border-strong);
    color: var(--accent-strong);
}

.lang-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.lang-toggle svg { stroke: currentColor; }

.lang-code {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    font-size: 0.75rem;
}

.lang-chevron {
    transition: transform 180ms cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.7;
}

.lang-switcher.open .lang-chevron { transform: rotate(180deg); }

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    z-index: 60;
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
    pointer-events: none;
    transition: opacity 140ms ease, transform 140ms cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-menu[hidden] { display: none; }

.lang-switcher.open .lang-menu {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    gap: 12px;
}

.lang-option:hover {
    background: var(--bg-surface-2);
    color: var(--ink-strong);
}

.lang-option.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 600;
}

.lang-option .lang-iso {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--ink-subtle);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    background: var(--bg-surface-2);
}

.lang-option.active .lang-iso {
    color: var(--accent-strong);
    border-color: var(--accent);
    background: transparent;
}

@media (max-width: 768px) {
    .lang-toggle .lang-code { display: none; }
    .lang-toggle { padding: 0 8px; min-width: 36px; justify-content: center; }
    .lang-toggle .lang-chevron { display: none; }
    .lang-menu { right: -40px; }
}

/* ============================================
   CURRENCY SWITCHER  (segmented pill on Total Revenue card)
   ============================================ */
.currency-switcher {
    display: inline-flex;
    align-items: center;
    margin-top: 8px;
    padding: 2px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    gap: 0;
}

.currency-switcher .cs-btn {
    background: none;
    border: none;
    padding: 4px 11px;
    font-family: var(--font);
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--ink-muted);
    cursor: pointer;
    border-radius: var(--radius-pill);
    letter-spacing: 0.06em;
    transition: var(--transition-fast);
    line-height: 1.4;
    font-variant-numeric: tabular-nums;
}

.currency-switcher .cs-btn:hover {
    color: var(--ink-strong);
}

.currency-switcher .cs-btn.active {
    background: var(--accent);
    color: #FFFFFF;
    box-shadow: 0 1px 2px rgba(15, 110, 69, 0.18);
}

.currency-switcher .cs-btn.unavailable {
    color: var(--ink-faint);
    text-decoration: line-through;
    text-decoration-color: var(--ink-faint);
    text-decoration-thickness: 1px;
}

.currency-switcher .cs-btn.unavailable:hover {
    color: var(--ink-subtle);
}

.currency-switcher .cs-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-ring);
}

[data-theme="dark"] .currency-switcher .cs-btn.active {
    color: #0F1411;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.rate-info {
    margin-top: 6px;
    font-size: 0.6875rem;
    color: var(--ink-subtle);
    font-weight: 500;
    letter-spacing: 0.01em;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 480px) {
    .currency-switcher .cs-btn { padding: 4px 9px; }
}

/* ============================================
   FX WIDGET (Google-style currency converter)
   ============================================ */
.fx-widget {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 28px;
    padding: 24px 28px;
    margin-bottom: 24px;
}

.fx-main {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.fx-rate-block { display: flex; flex-direction: column; gap: 2px; }

.fx-rate-caption {
    font-size: 0.875rem;
    color: var(--ink-muted);
    font-weight: 500;
    letter-spacing: -0.005em;
}

.fx-rate-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    margin-top: 4px;
}

.fx-rate-unit {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ink-strong);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 8px;
}

.fx-rate-meta {
    font-size: 0.75rem;
    color: var(--ink-subtle);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.fx-converter {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
}

.fx-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 8px;
    align-items: stretch;
}

.fx-input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--ink-strong);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    outline: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-xs);
    /* Remove number input spinner */
    -moz-appearance: textfield;
    appearance: textfield;
}
.fx-input::-webkit-outer-spin-button,
.fx-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.fx-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.fx-select {
    width: 100%;
    padding: 11px 36px 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--ink-strong);
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-xs);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A615E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.fx-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

[data-theme="dark"] .fx-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A3A8A1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.fx-equals {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ink-subtle);
    width: 24px;
    margin-left: 6px;
}

.fx-chart-wrap {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.fx-chart-tabs {
    display: flex;
    justify-content: flex-end;
    gap: 2px;
    padding: 2px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    align-self: flex-end;
}

.fx-tab {
    background: none;
    border: none;
    padding: 5px 12px;
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-muted);
    cursor: pointer;
    border-radius: var(--radius-pill);
    letter-spacing: 0.03em;
    transition: var(--transition-fast);
    line-height: 1.4;
}

.fx-tab:hover { color: var(--ink-strong); }

.fx-tab.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.fx-tab:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.fx-chart-body {
    position: relative;
    flex: 1;
    min-height: 200px;
    height: 240px;
}

.fx-chart-empty {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--ink-subtle);
    font-size: 0.8125rem;
    text-align: center;
    padding: 16px;
    z-index: 2;
}

.fx-chart-empty:not([hidden]) {
    display: flex;
}

.fx-chart-empty[hidden] {
    display: none !important;
}

.fx-chart-empty code {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    padding: 1px 6px;
    font-size: 0.75rem;
    color: var(--ink-strong);
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

@media (max-width: 1024px) {
    .fx-widget { grid-template-columns: 1fr; gap: 18px; padding: 20px; }
    .fx-rate-value { font-size: 2rem; }
    .fx-rate-unit { font-size: 1.2rem; }
    .fx-chart-body { height: 180px; }
}

@media (max-width: 768px) {
    .fx-widget {
        padding: 16px;
        gap: 14px;
        margin-bottom: 18px;
        min-width: 0;
    }
    .fx-rate-caption { font-size: 0.8125rem; }
    .fx-rate-value { font-size: 1.75rem; }
    .fx-rate-unit { font-size: 1.125rem; }
    .fx-row {
        grid-template-columns: 1fr 115px;
        gap: 8px;
    }
    .fx-equals {
        font-size: 1rem;
        margin: 0 4px;
    }
    .fx-chart-body {
        height: 160px;
        min-height: 140px;
    }
}

@media (max-width: 480px) {
    .fx-widget {
        padding: 14px;
        gap: 12px;
    }
    .fx-rate-caption { font-size: 0.75rem; }
    .fx-rate-value { font-size: 1.5rem; }
    .fx-rate-unit { font-size: 1rem; }
    .fx-row {
        grid-template-columns: 1fr 100px;
        gap: 6px;
    }
}

/* ============================================
   DARK MODE — Merchant Night
   ============================================ */
[data-theme="dark"] {
    --bg-app:           #0E0D0B;
    --bg-surface:       #171513;
    --bg-surface-2:     #1E1C19;
    --bg-sidebar:       #121110;
    --bg-topbar:        rgba(18, 17, 16, 0.85);
    --bg-input:         #1E1C19;
    --bg-input-soft:    #1A1816;

    --ink:              #E5E2DA;
    --ink-strong:       #F2EFE7;
    --ink-muted:        #A8A49D;
    --ink-subtle:       #9D9990;
    --ink-faint:        #4D4A45;
    --ink-invert:       #0E0D0B;

    --accent:           #D4A843;
    --accent-strong:    #E4BD5A;
    --accent-soft:      rgba(212, 168, 67, 0.16);
    --accent-ring:      rgba(212, 168, 67, 0.30);
    --gold:             #D9A04A;
    --gold-soft:        rgba(217, 160, 74, 0.14);

    --success:          #3FB76A;
    --success-soft:     rgba(63, 183, 106, 0.14);
    --danger:           #E06464;
    --danger-soft:      rgba(224, 100, 100, 0.14);
    --warning:          #D9A04A;
    --warning-soft:     rgba(217, 160, 74, 0.14);
    --info:             #6B96D9;
    --info-soft:        rgba(107, 150, 217, 0.16);
    --revenue:          #A782E8;
    --revenue-soft:     rgba(167, 130, 232, 0.16);

    --border:           #28261F;
    --border-strong:    #383530;
    --border-soft:      #1E1C19;
    --divider:          #1E1C19;

    --shadow-xs:        0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-sm:        0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 0, 0, 0.30);
    --shadow-md:        0 4px 12px rgba(0, 0, 0, 0.40), 0 1px 3px rgba(0, 0, 0, 0.30);
    --shadow-lg:        0 12px 28px rgba(0, 0, 0, 0.55), 0 4px 8px rgba(0, 0, 0, 0.30);
}

/* Replace the linen weave with a subtler dark dot field */
[data-theme="dark"] body {
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 24px 24px, 24px 24px;
    background-position: 0 0, 12px 12px;
}

/* Re-color select arrow for dark */
[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A3A8A1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* Inputs need a sturdier focused ring on dark */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .search-box input {
    box-shadow: none;
}

/* Toned-down empty state border on dark */
[data-theme="dark"] .empty-state {
    border-color: var(--border);
    background: var(--bg-surface);
}

/* Buttons in dark — softer inner highlight */
[data-theme="dark"] .btn-primary {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    color: #0E0D0B;
}
[data-theme="dark"] .btn-primary:hover { color: #0E0D0B; }

[data-theme="dark"] .btn-danger {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

/* Logo chip slightly more luminous in dark */
[data-theme="dark"] .logo svg {
    background: rgba(212, 168, 67, 0.18);
}

[data-theme="dark"] .logo-img {
    filter: brightness(1.1);
}

/* Modal overlay slightly darker */
[data-theme="dark"] .modal-overlay,
[data-theme="dark"] .confirm-overlay {
    background: rgba(0, 0, 0, 0.65);
}