/* =============================================================================
   USSCOS — Design System
   Version: 2.0.0
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Custom Properties — Light Theme
   ----------------------------------------------------------------------------- */

:root {
    /* Brand */
    --color-primary:        #0A3D91;
    --color-primary-hover:  #083278;
    --color-accent:         #2563EB;
    --color-accent-hover:   #1D4ED8;

    /* Semantic */
    --color-success:        #22C55E;
    --color-success-bg:     #F0FDF4;
    --color-success-border: #BBF7D0;
    --color-warning:        #F59E0B;
    --color-warning-bg:     #FFFBEB;
    --color-warning-border: #FDE68A;
    --color-danger:         #EF4444;
    --color-danger-bg:      #FEF2F2;
    --color-danger-border:  #FECACA;
    --color-ai:             #8B5CF6;
    --color-ai-bg:          #F5F3FF;
    --color-ai-border:      #DDD6FE;

    /* Neutrals */
    --color-bg:             #F7F9FC;
    --color-surface:        #FFFFFF;
    --color-surface-raised: #F3F4F6;
    --color-border:         #E5E7EB;
    --color-border-strong:  #D1D5DB;

    /* Text */
    --color-text-primary:   #111827;
    --color-text-secondary: #6B7280;
    --color-text-tertiary:  #9CA3AF;
    --color-text-inverted:  #FFFFFF;

    /* Typography */
    --font-family:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs:         11px;
    --font-size-sm:         13px;
    --font-size-base:       14px;
    --font-size-md:         15px;
    --font-size-lg:         18px;
    --font-size-xl:         22px;
    --font-size-2xl:        28px;
    --font-size-3xl:        36px;

    --font-weight-normal:   400;
    --font-weight-medium:   500;
    --font-weight-semibold: 600;
    --font-weight-bold:     700;

    --line-height-tight:    1.25;
    --line-height-normal:   1.5;
    --line-height-relaxed:  1.75;

    /* Spacing */
    --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:    8px;
    --radius-lg:    12px;
    --radius-xl:    16px;
    --radius-full:  9999px;

    /* Shadows */
    --shadow-xs:    0 1px 2px rgba(0,0,0,.05);
    --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:    0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg:    0 10px 15px rgba(0,0,0,.07), 0 4px 6px rgba(0,0,0,.05);
    --shadow-xl:    0 20px 25px rgba(0,0,0,.08), 0 10px 10px rgba(0,0,0,.04);

    /* Layout */
    --sidebar-width:        220px;
    --topbar-height:        64px;
    --content-max:          1440px;

    /* Transitions */
    --transition-fast:      150ms ease;
    --transition-base:      200ms ease;
    --transition-slow:      300ms ease;

    /* Z-index scale */
    --z-sidebar:    100;
    --z-topbar:     90;
    --z-dropdown:   200;
    --z-modal:      300;
    --z-toast:      400;
}

[data-theme="dark"] {
    --color-bg:             #0F1117;
    --color-surface:        #1A1D26;
    --color-surface-raised: #22263A;
    --color-border:         #2D3149;
    --color-text-primary:   #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-tertiary:  #64748B;
}

/* -----------------------------------------------------------------------------
   Reset & Base
   ----------------------------------------------------------------------------- */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }
svg { display: inline-block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* -----------------------------------------------------------------------------
   App Layout
   ----------------------------------------------------------------------------- */

.app-body {
    background: var(--color-bg);
    min-height: 100vh;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-slow);
}

.app-content {
    flex: 1;
    padding: var(--space-6) var(--space-8);
}

/* -----------------------------------------------------------------------------
   Sidebar
   ----------------------------------------------------------------------------- */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: var(--z-sidebar);
    overflow: visible;
    transition: width var(--transition-slow), transform var(--transition-slow);
}

/* Brand */
.sidebar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-5);
    height: var(--topbar-height);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    text-decoration: none;
}

.sidebar__brand:hover { text-decoration: none; }

.sidebar__logo-wrap {
    width: 34px;
    height: 34px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar__logo-text {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar__brand-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sidebar__brand-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.sidebar__brand-sub {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

/* Nav */
.sidebar__scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-3) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.sidebar__scroll::-webkit-scrollbar { width: 4px; }
.sidebar__scroll::-webkit-scrollbar-track { background: transparent; }
.sidebar__scroll::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.sidebar__section-label {
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--space-3) var(--space-2) var(--space-1);
    margin-top: var(--space-2);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 7px var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: background var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    position: relative;
}

.sidebar__link:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
    text-decoration: none;
}

.sidebar__link.is-active {
    background: #EFF6FF;
    color: var(--color-accent);
}

.sidebar__link.is-active .sidebar__icon {
    color: var(--color-accent);
}

.sidebar__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.sidebar__link:hover .sidebar__icon {
    color: var(--color-text-secondary);
}

.sidebar__link-text {
    flex: 1;
}

.sidebar__badge {
    background: var(--color-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
    line-height: 1.6;
}

/* Sidebar footer */
.sidebar__footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-3);
    flex-shrink: 0;
}

.sidebar__user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-2);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.sidebar__user:hover {
    background: var(--color-bg);
}

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

.sidebar__user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar__user-role {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.sidebar__collapse {
    border-top: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3);
    flex-shrink: 0;
}

.sidebar__collapse-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar__collapse-btn:hover {
    background: var(--color-bg);
    color: var(--color-text-secondary);
}

/* -----------------------------------------------------------------------------
   Topbar
   ----------------------------------------------------------------------------- */

.topbar {
    position: sticky;
    top: 0;
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    z-index: var(--z-topbar);
    gap: var(--space-4);
}

.topbar__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.topbar__right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.topbar__greeting {
    display: flex;
    flex-direction: column;
}

.topbar__greeting-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.2;
    letter-spacing: -0.3px;
}

.topbar__greeting-sub {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.topbar__date {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.topbar__icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
    cursor: pointer;
}

.topbar__icon-btn:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
}

.topbar__icon-btn svg {
    width: 20px;
    height: 20px;
}

.topbar__notif-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 16px;
    height: 16px;
    background: var(--color-danger);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-surface);
}

.topbar__help {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.topbar__help:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
}

/* User avatar dropdown */
.topbar__user-wrap {
    position: relative;
}

.topbar__user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    background: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.topbar__user-btn:hover {
    background: var(--color-bg);
}

.topbar__user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.topbar__chevron {
    width: 14px;
    height: 14px;
    color: var(--color-text-tertiary);
    transition: transform var(--transition-fast);
}

.topbar__user-wrap.is-open .topbar__chevron {
    transform: rotate(180deg);
}

.topbar__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 200px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    display: none;
    z-index: var(--z-dropdown);
}

.topbar__user-wrap.is-open .topbar__dropdown {
    display: block;
}

.topbar__dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.topbar__dropdown-item:hover {
    background: var(--color-bg);
    color: var(--color-text-primary);
    text-decoration: none;
}

.topbar__dropdown-item--danger {
    color: var(--color-danger);
}

.topbar__dropdown-item--danger:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.topbar__dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-2) 0;
}

/* Mobile toggle */
.topbar__menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 16px;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
}

.topbar__menu-toggle span {
    display: block;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* -----------------------------------------------------------------------------
   Avatar
   ----------------------------------------------------------------------------- */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    background: var(--color-accent);
    color: var(--color-text-inverted);
    flex-shrink: 0;
    user-select: none;
    overflow: hidden;
}

.avatar--xs  { width: 26px; height: 26px; font-size: 10px; }
.avatar--sm  { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar--md  { width: 38px; height: 38px; font-size: var(--font-size-sm); }
.avatar--lg  { width: 48px; height: 48px; font-size: var(--font-size-base); }

.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 9px var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn--primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: #fff; text-decoration: none; }

.btn--secondary { background: var(--color-surface); color: var(--color-text-primary); border-color: var(--color-border); }
.btn--secondary:hover { background: var(--color-bg); border-color: var(--color-border-strong); text-decoration: none; }

.btn--ghost { background: transparent; color: var(--color-text-secondary); border-color: transparent; }
.btn--ghost:hover { background: var(--color-bg); color: var(--color-text-primary); text-decoration: none; }

.btn--danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn--danger:hover { background: #DC2626; color: #fff; text-decoration: none; }

.btn--sm { padding: 6px var(--space-3); font-size: var(--font-size-xs); border-radius: var(--radius-sm); }
.btn--lg { padding: 13px var(--space-6); font-size: var(--font-size-md); }
.btn--full { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn svg { width: 16px; height: 16px; }

/* -----------------------------------------------------------------------------
   Cards
   ----------------------------------------------------------------------------- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.card__body { padding: var(--space-6); }

.card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* -----------------------------------------------------------------------------
   KPI Cards
   ----------------------------------------------------------------------------- */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: default;
}

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

.kpi-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kpi-card__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.kpi-card__icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-card__icon svg {
    width: 20px;
    height: 20px;
}

.kpi-card__icon--green  { background: var(--color-success-bg); color: var(--color-success); }
.kpi-card__icon--blue   { background: #EFF6FF; color: var(--color-accent); }
.kpi-card__icon--purple { background: var(--color-ai-bg); color: var(--color-ai); }
.kpi-card__icon--orange { background: var(--color-warning-bg); color: var(--color-warning); }
.kpi-card__icon--teal   { background: #F0FDFA; color: #0D9488; }
.kpi-card__icon--indigo { background: #EEF2FF; color: #4F46E5; }

.kpi-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
    line-height: 1;
}

.kpi-card__meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.kpi-card__trend {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.kpi-card__trend--up   { color: #166534; background: var(--color-success-bg); }
.kpi-card__trend--down { color: #991B1B; background: var(--color-danger-bg); }
.kpi-card__trend--neutral { color: var(--color-text-secondary); background: var(--color-bg); }

/* -----------------------------------------------------------------------------
   Dashboard Grid
   ----------------------------------------------------------------------------- */

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.dashboard-grid--3col {
    display: grid;
    grid-template-columns: 1fr 1fr 320px;
    gap: var(--space-6);
}

/* -----------------------------------------------------------------------------
   Business Overview Chart
   ----------------------------------------------------------------------------- */

.chart-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.chart-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.chart-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.chart-card__legend {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.chart-legend-dot {
    width: 8px;
    height: 3px;
    border-radius: 2px;
}

.chart-legend-dot--solid  { background: var(--color-accent); }
.chart-legend-dot--dashed {
    background: repeating-linear-gradient(
        90deg,
        var(--color-border-strong) 0px,
        var(--color-border-strong) 4px,
        transparent 4px,
        transparent 8px
    );
}

.chart-card__controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.chart-select {
    padding: 6px var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-family: inherit;
    cursor: pointer;
    outline: none;
}

.chart-select:focus {
    border-color: var(--color-accent);
}

.chart-card__body {
    padding: var(--space-5) var(--space-6);
}

.chart-wrap {
    position: relative;
    height: 240px;
}

/* -----------------------------------------------------------------------------
   Focus Items
   ----------------------------------------------------------------------------- */

.focus-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.focus-card__header {
    padding: var(--space-5) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.focus-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.focus-list {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.focus-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--transition-fast);
    text-decoration: none;
}

.focus-item:last-child { border-bottom: none; }

.focus-item:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.focus-item__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.focus-item__icon svg { width: 18px; height: 18px; }

.focus-item__icon--danger  { background: var(--color-danger-bg); color: var(--color-danger); }
.focus-item__icon--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.focus-item__icon--blue    { background: #EFF6FF; color: var(--color-accent); }
.focus-item__icon--purple  { background: var(--color-ai-bg); color: var(--color-ai); }
.focus-item__icon--teal    { background: #F0FDFA; color: #0D9488; }

.focus-item__body {
    flex: 1;
    min-width: 0;
}

.focus-item__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.focus-item__sub {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.focus-item__chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.focus-empty {
    padding: var(--space-8);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* -----------------------------------------------------------------------------
   Recent Activity
   ----------------------------------------------------------------------------- */

.activity-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.activity-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.activity-table {
    width: 100%;
    border-collapse: collapse;
}

.activity-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    white-space: nowrap;
}

.activity-table th:first-child { border-radius: 0; padding-left: var(--space-6); }
.activity-table th:last-child { padding-right: var(--space-6); }

.activity-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.activity-table td:first-child { padding-left: var(--space-6); }
.activity-table td:last-child { padding-right: var(--space-6); }

.activity-table tbody tr:last-child td { border-bottom: none; }
.activity-table tbody tr:hover { background: var(--color-bg); }

.activity-type-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-type-icon svg { width: 14px; height: 14px; }
.activity-type-icon--invoice  { background: #EFF6FF; color: var(--color-accent); }
.activity-type-icon--po       { background: var(--color-warning-bg); color: var(--color-warning); }
.activity-type-icon--inventory { background: var(--color-success-bg); color: var(--color-success); }
.activity-type-icon--work     { background: var(--color-ai-bg); color: var(--color-ai); }
.activity-type-icon--payment  { background: #F0FDFA; color: #0D9488; }

.activity-type-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.activity-ref {
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.activity-ref:hover { text-decoration: underline; }

.activity-time {
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.activity-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    white-space: nowrap;
}

.activity-card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* -----------------------------------------------------------------------------
   Top Products
   ----------------------------------------------------------------------------- */

.products-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.products-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.products-table {
    width: 100%;
    border-collapse: collapse;
}

.products-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.products-table th:first-child { padding-left: var(--space-6); }
.products-table th:last-child { padding-right: var(--space-6); text-align: right; }

.products-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.products-table td:first-child { padding-left: var(--space-6); }
.products-table td:last-child { padding-right: var(--space-6); text-align: right; font-weight: var(--font-weight-medium); }

.products-table tbody tr:last-child td { border-bottom: none; }
.products-table tbody tr:hover { background: var(--color-bg); }

.product-icon {
    width: 32px;
    height: 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
}

.product-name-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.products-card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* -----------------------------------------------------------------------------
   AI Assistant Panel
   ----------------------------------------------------------------------------- */

.ai-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ai-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.ai-card__title-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ai-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.ai-badge {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--color-ai-bg);
    color: var(--color-ai);
    border: 1px solid var(--color-ai-border);
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.ai-card__messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    min-height: 300px;
}

.ai-card__messages::-webkit-scrollbar { width: 4px; }
.ai-card__messages::-webkit-scrollbar-track { background: transparent; }
.ai-card__messages::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.ai-placeholder {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    text-align: center;
    padding: var(--space-8) 0;
}

.ai-message {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.ai-message--user {
    align-items: flex-end;
}

.ai-message--assistant {
    align-items: flex-start;
}

.ai-bubble {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    max-width: 85%;
}

.ai-message--user .ai-bubble {
    background: var(--color-accent);
    color: #fff;
    border-bottom-right-radius: var(--radius-sm);
}

.ai-message--assistant .ai-bubble {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    border-bottom-left-radius: var(--radius-sm);
}

.ai-bubble ul {
    list-style: disc;
    padding-left: var(--space-4);
    margin-top: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.ai-card__actions {
    display: flex;
    gap: var(--space-2);
    padding: 0 var(--space-5) var(--space-4);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.ai-action-btn {
    padding: 6px var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.ai-action-btn:hover {
    background: var(--color-ai-bg);
    border-color: var(--color-ai-border);
    color: var(--color-ai);
}

.ai-card__input-wrap {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.ai-input {
    flex: 1;
    padding: 8px var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.ai-input::placeholder { color: var(--color-text-tertiary); }

.ai-input:focus {
    border-color: var(--color-ai);
    background: var(--color-surface);
}

.ai-send-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--color-ai);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.ai-send-btn:hover { background: #7C3AED; }
.ai-send-btn svg { width: 16px; height: 16px; }

/* -----------------------------------------------------------------------------
   Forms
   ----------------------------------------------------------------------------- */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.form-group--inline { flex-direction: row; align-items: center; }

.form-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-label__link { font-weight: var(--font-weight-normal); color: var(--color-accent); font-size: var(--font-size-sm); }

.form-input, .input {
    width: 100%;
    padding: .75rem var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
}

.form-input::placeholder, .input::placeholder { color: var(--color-text-tertiary); }
.form-input:focus, .input:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-input.is-error, .input.is-error { border-color: var(--color-danger); }
.form-input.is-error:focus, .input.is-error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.12); }

.form-error { font-size: var(--font-size-xs); color: var(--color-danger); }
.form-hint  { font-size: var(--font-size-xs); color: var(--color-text-tertiary); }

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

/* -----------------------------------------------------------------------------
   Alerts
   ----------------------------------------------------------------------------- */

.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-5);
    border: 1px solid transparent;
}

.alert p { margin: 0; }
.alert p + p { margin-top: var(--space-1); }

.alert--success { background: var(--color-success-bg); border-color: var(--color-success-border); color: #166534; }
.alert--error   { background: var(--color-danger-bg); border-color: var(--color-danger-border); color: #991B1B; }
.alert--warning { background: var(--color-warning-bg); border-color: var(--color-warning-border); color: #92400E; }

/* -----------------------------------------------------------------------------
   Badges
   ----------------------------------------------------------------------------- */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    white-space: nowrap;
}

.badge--success { background: var(--color-success-bg); color: #166534; }
.badge--danger  { background: var(--color-danger-bg); color: #991B1B; }
.badge--warning { background: var(--color-warning-bg); color: #92400E; }
.badge--primary { background: #EFF6FF; color: var(--color-primary); }
.badge--neutral { background: var(--color-bg); color: var(--color-text-secondary); border: 1px solid var(--color-border); }
.badge--ai      { background: var(--color-ai-bg); color: var(--color-ai); }

/* -----------------------------------------------------------------------------
   Auth Layout
   ----------------------------------------------------------------------------- */

.auth-body {
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.auth-container { width: 100%; max-width: 440px; }

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-lg);
}

.auth-card__header { margin-bottom: var(--space-8); }

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.auth-logo__mark {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-3);
}

.auth-logo__mark span {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -1px;
}

.auth-logo__text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.auth-card__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.5px;
    text-align: center;
}

.auth-card__subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

.auth-card__back {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.auth-form { display: flex; flex-direction: column; }

/* -----------------------------------------------------------------------------
   Tables
   ----------------------------------------------------------------------------- */

.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }

.table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.table thead { background: var(--color-bg); }
.table th { padding: var(--space-3) var(--space-4); text-align: left; font-weight: var(--font-weight-medium); color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); color: var(--color-text-primary); }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-bg); }

/* -----------------------------------------------------------------------------
   Toast notifications
   ----------------------------------------------------------------------------- */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: var(--z-toast);
    pointer-events: none;
}

.toast {
    background: var(--color-text-primary);
    color: #fff;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    box-shadow: var(--shadow-xl);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    max-width: 340px;
}

.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast--success { background: #166534; }
.toast--error   { background: #991B1B; }
.toast--warning { background: #92400E; }

/* -----------------------------------------------------------------------------
   Utilities
   ----------------------------------------------------------------------------- */

.text-primary   { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-success   { color: var(--color-success); }
.text-danger    { color: var(--color-danger); }
.text-warning   { color: var(--color-warning); }
.text-ai        { color: var(--color-ai); }

.font-medium   { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold     { font-weight: var(--font-weight-bold); }

.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }

.flex            { display: flex; }
.flex-col        { flex-direction: column; }
.items-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2           { gap: var(--space-2); }
.gap-4           { gap: var(--space-4); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

/* -----------------------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------------------- */

@media (max-width: 1280px) {
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
    .dashboard-grid--3col { grid-template-columns: 1fr 1fr; }
    .dashboard-grid--3col .ai-card { display: none; }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .app-main {
        margin-left: 0;
    }

    .topbar__menu-toggle { display: flex; }
    .topbar { padding: 0 var(--space-5); }
    .app-content { padding: var(--space-5); }

    .dashboard-grid { grid-template-columns: 1fr; }
    .dashboard-grid .focus-card { order: -1; }
}

@media (max-width: 768px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .topbar__greeting-sub { display: none; }
    .topbar__date { display: none; }
    .topbar__help { display: none; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .auth-card { padding: var(--space-6); }
    .dashboard-grid--3col { grid-template-columns: 1fr; }
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: calc(var(--z-sidebar) - 1);
    backdrop-filter: blur(2px);
}

.sidebar-overlay.is-visible { display: block; }

/* =============================================================================
   Customers Module
   ============================================================================= */

/* Page header */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.page-header__left { display: flex; flex-direction: column; gap: var(--space-1); }
.page-header__right { display: flex; gap: var(--space-3); align-items: center; flex-shrink: 0; }
.page-title  { font-size: 1.5rem; font-weight: 700; color: var(--color-text-primary); margin: 0; }
.page-subtitle { font-size: .875rem; color: var(--color-text-secondary); margin: 0; }
.back-link {
    display: inline-flex; align-items: center; gap: var(--space-1);
    font-size: .8125rem; color: var(--color-text-secondary);
    text-decoration: none; margin-bottom: var(--space-1);
}
.back-link:hover { color: var(--color-primary); }

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}
.toolbar__search { flex: 1; min-width: 200px; max-width: 400px; }
.toolbar__filters { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.search-wrap { position: relative; }
.search-wrap__icon {
    position: absolute; left: .75rem; top: 50%; transform: translateY(-50%);
    color: var(--color-text-tertiary); pointer-events: none;
}
.search-wrap__input { padding-left: 2.25rem; width: 100%; }

.filter-chip {
    display: inline-flex; align-items: center; padding: .375rem .875rem;
    border-radius: 999px; font-size: .8125rem; font-weight: 500;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary); background: var(--color-surface);
    text-decoration: none; transition: all .15s;
}
.filter-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-chip--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Table */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.table thead th {
    padding: .75rem 1rem; text-align: left; font-size: .75rem;
    font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
    color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.table tbody td { padding: .875rem 1rem; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table__row--clickable { cursor: pointer; transition: background .1s; }
.table__row--clickable:hover { background: var(--color-surface-raised); }
.table__empty { text-align: center; padding: 3rem 1rem !important; color: var(--color-text-tertiary); }
.text-right { text-align: right !important; }
.text-center { text-align: center !important; }
.text-muted { color: var(--color-text-secondary); }
.text-warning { color: #d97706; }
.text-danger  { color: var(--color-danger); }
.text-xs { font-size: .75rem; }
.text-sm { font-size: .8125rem; }
.font-mono { font-family: monospace; }
.customer-name { font-weight: 500; color: var(--color-text-primary); }

/* Badges */
.badge {
    display: inline-flex; align-items: center; padding: .25rem .625rem;
    border-radius: 999px; font-size: .7rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .04em;
}
.badge--success { background: #dcfce7; color: #166534; }
.badge--danger  { background: #fee2e2; color: #991b1b; }
.badge--warning { background: #fef3c7; color: #92400e; }
.badge--info    { background: #dbeafe; color: #1e40af; }
.badge--neutral { background: var(--color-surface-raised); color: var(--color-text-secondary); }

/* Pagination */
.pagination {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: var(--space-4); flex-wrap: wrap; gap: var(--space-3);
}
.pagination__info { font-size: .8125rem; color: var(--color-text-secondary); }
.pagination__pages { display: flex; align-items: center; gap: var(--space-1); }
.pagination__btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 2rem; height: 2rem; padding: 0 .5rem;
    border-radius: var(--radius-sm); font-size: .8125rem;
    text-decoration: none; color: var(--color-text-secondary);
    border: 1px solid var(--color-border); background: var(--color-surface);
    transition: all .15s;
}
.pagination__btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination__btn--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination__dots { color: var(--color-text-tertiary); padding: 0 .25rem; }

/* KPI row (customer detail) */
.kpi-row {
    display: flex; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap;
}
.kpi-card {
    flex: 1; min-width: 120px;
    background: var(--color-surface); border: 1px solid var(--color-border);
    border-radius: var(--radius-md); padding: var(--space-4) var(--space-5);
}
.kpi-card__label { font-size: .75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .05em; color: var(--color-text-secondary); margin-bottom: var(--space-1); }
.kpi-card__value { font-size: 1.5rem; font-weight: 700; color: var(--color-text-primary); }
.kpi-card__value--sm { font-size: 1rem; }

/* Detail layout */
.detail-layout { display: grid; grid-template-columns: 280px 1fr; gap: var(--space-6); align-items: start; }
.detail-layout__side { display: flex; flex-direction: column; gap: var(--space-4); }
.detail-layout__main {}

/* Card */
.card__header {
    font-size: .75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .05em; color: var(--color-text-secondary);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
}
.card__body { padding: var(--space-4); }

/* Detail list */
.detail-list { display: grid; grid-template-columns: auto 1fr; gap: var(--space-1) var(--space-4); font-size: .875rem; margin: 0; }
.detail-list dt { color: var(--color-text-secondary); white-space: nowrap; }
.detail-list dd { margin: 0; color: var(--color-text-primary); }
.detail-list a { color: var(--color-primary); text-decoration: none; }
.detail-list a:hover { text-decoration: underline; }

/* Address */
address { font-style: normal; font-size: .875rem; line-height: 1.6; color: var(--color-text-primary); }

/* Sub-account rows */
.sub-account-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: .625rem 1rem; font-size: .875rem; text-decoration: none;
    color: var(--color-text-primary); border-bottom: 1px solid var(--color-border);
    transition: background .1s;
}
.sub-account-row:last-child { border-bottom: none; }
.sub-account-row:hover { background: var(--color-surface-raised); }

.link { color: var(--color-primary); text-decoration: none; }
.link:hover { text-decoration: underline; }

@media (max-width: 768px) {
    .detail-layout { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar__search { max-width: 100%; }
}

/* =============================================================================
   Invoices Module
   ============================================================================= */

/* Aging buckets inside KPI card */
.aging-card { flex: 2; min-width: 260px; }
.aging-buckets { display: flex; gap: 1rem; margin-top: .25rem; }
.aging-bucket { display: flex; flex-direction: column; gap: .1rem; }
.aging-bucket__label { font-size: .65rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-tertiary); }
.aging-bucket__value { font-size: .9rem; font-weight: 600; font-variant-numeric: tabular-nums; }

/* Sort select in toolbar */
.toolbar__sort { display: flex; align-items: center; }
.input--sm { padding: .3rem .6rem; font-size: .8rem; height: auto; }

/* Invoice bill-to block */
.invoice-billto { font-size: .9rem; line-height: 1.7; }

/* Invoice table footer */
.invoice-total-row td { padding-top: .75rem; border-top: 2px solid var(--color-border); }
.invoice-balance-row td { padding-bottom: .5rem; }

/* Print styles */
@media print {
    .sidebar, .page-header__right, .toolbar, .pagination, .btn { display: none !important; }
    .detail-layout { display: block; }
    .card { box-shadow: none; border: 1px solid #ddd; }
    body { background: white; }
}

/* =============================================================================
   Forms
   ============================================================================= */

.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group:last-child { margin-bottom: 0; }
.form-label { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-secondary); }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-actions { display: flex; justify-content: flex-end; gap: .75rem; margin-top: 1.5rem; }

textarea.input { resize: vertical; min-height: 80px; font-family: inherit; }

.btn--xs { padding: .2rem .6rem; font-size: .75rem; }

.checkbox-label { display: flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 500; color: var(--color-text-secondary); cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: 1rem; height: 1rem; cursor: pointer; accent-color: var(--color-primary); }

/* =============================================================================
   Edit Layout (two equal columns)
   ============================================================================= */
.edit-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .edit-layout { grid-template-columns: 1fr; } }
.edit-layout__col { display: flex; flex-direction: column; gap: 1.5rem; }


/* =============================================================================
   Sales Orders — Document-style form
   ============================================================================= */

/* ── Base input (taller, readable) ── */
.so-inp {
    display:block; width:100%; padding:.65rem .85rem;
    font-size:1rem; font-family:inherit; line-height:1.45;
    background:#fff; color:var(--color-text-primary);
    border:1px solid var(--color-border); border-radius:var(--radius);
    transition:border-color .15s; box-sizing:border-box;
}
.so-inp:focus { outline:none; border-color:var(--color-primary); box-shadow:0 0 0 3px rgba(10,61,145,.1); }
.so-inp:read-only { background:var(--color-surface-raised); color:var(--color-text-secondary); cursor:default; }
select.so-inp { cursor:pointer; -webkit-appearance:auto; }
textarea.so-inp { resize:vertical; min-height:80px; }

/* ── Labels ── */
.so-lbl { display:block; margin-bottom:.4rem; font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:var(--color-text-secondary); }
.so-same-lbl { font-size:.8rem; font-weight:600; text-transform:none; letter-spacing:0; display:inline-flex; align-items:center; gap:.3rem; cursor:pointer; color:var(--color-text-secondary); }

/* ── Document card ── */
.so-doc { background:var(--color-surface); border:1px solid var(--color-border); border-radius:var(--radius); box-shadow:var(--shadow-sm); overflow:hidden; }

/* ── Customer bar ── */
.so-doc__custbar { padding:1rem 1.5rem; background:var(--color-surface-raised); border-bottom:1px solid var(--color-border); }
.so-inp--cust { max-width:500px; font-size:1.05rem; }
.so-cust-chip { display:flex; align-items:center; justify-content:space-between; gap:.5rem; padding:.55rem .85rem; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius); font-size:1rem; font-weight:600; max-width:500px; }

/* ── Header: title | date | bill-to | ship-to ── */
.so-doc__header { display:grid; grid-template-columns:180px 1fr; border-bottom:2px solid var(--color-border); }
.so-doc__title-col { padding:1.5rem 1.5rem; border-right:1px solid var(--color-border); display:flex; flex-direction:column; }
.so-doc__title { font-size:1.75rem; font-weight:700; color:var(--color-text-primary); letter-spacing:-.02em; }
.so-val-box { padding:.6rem .85rem; background:var(--color-surface-raised); border:1px solid var(--color-border); border-radius:var(--radius); font-size:1rem; font-weight:700; color:var(--color-text-secondary); }
.so-doc__addr-cols { display:grid; grid-template-columns:170px 1fr 1fr; }
.so-doc__addr-col { padding:1rem 1.25rem; border-right:1px solid var(--color-border); display:flex; flex-direction:column; gap:.25rem; }
.so-doc__addr-col:last-child { border-right:none; }
.so-doc__addr-col--sm { max-width:170px; }

/* ── Address display box ── */
.so-addr-ta { padding:.75rem 1rem; min-height:110px; background:var(--color-surface-raised); border:1px solid var(--color-border); border-radius:var(--radius); font-size:.9rem; line-height:1.8; color:var(--color-text-primary); }
.so-addr-ta--muted { color:var(--color-text-secondary); }
.so-addr-stack { display:flex; flex-direction:column; gap:.4rem; margin-top:.1rem; }

/* ── Meta row ── */
.so-doc__meta { display:grid; grid-template-columns:repeat(5,1fr); border-bottom:2px solid var(--color-border); }
.so-meta-cell { padding:.85rem 1.25rem; border-right:1px solid var(--color-border); }
.so-meta-cell:last-child { border-right:none; }

/* ── Lines section ── */
.so-doc__lines { border-bottom:2px solid var(--color-border); }
.so-lines-toolbar { display:flex; justify-content:flex-end; padding:.6rem 1rem; background:var(--color-surface-raised); border-bottom:1px solid var(--color-border); }

/* ── Line table ── */
.so-tbl { width:100%; border-collapse:collapse; font-size:.925rem; }
.so-tbl thead th { padding:.6rem .75rem; font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:var(--color-text-secondary); background:var(--color-surface-raised); border-bottom:1px solid var(--color-border); white-space:nowrap; }
.so-tbl tbody td { padding:.35rem .5rem; border-bottom:1px solid var(--color-border); vertical-align:middle; }
.so-tbl tbody .so-line:last-child td { border-bottom:none; }
.so-tbl tfoot td { padding:.55rem .75rem; }
.so-foot-r { text-align:right; color:var(--color-text-secondary); font-size:.9rem; }
.so-total-row td { border-top:2px solid var(--color-border); padding-top:.85rem; color:var(--color-text-primary); font-size:1rem; }
.so-tbl .so-inp { padding:.35rem .5rem; font-size:.9rem; }
.so-del { background:none; border:none; color:var(--color-text-tertiary); font-size:1.3rem; line-height:1; cursor:pointer; padding:.15rem .35rem; border-radius:4px; }
.so-del:hover { background:var(--color-danger-bg); color:var(--color-danger); }

/* ── Footer ── */
.so-doc__footer { display:grid; grid-template-columns:280px 1fr 1fr; gap:1.5rem; padding:1.25rem 1.5rem; border-bottom:1px solid var(--color-border); align-items:start; }
.so-doc__actions { display:flex; justify-content:flex-end; gap:.75rem; padding:1rem 1.5rem; background:var(--color-surface-raised); }

/* ── Autocomplete dropdown (white bg, solid shadow, above everything) ── */
.so-ac-drop {
    position:absolute; z-index:9999;
    background:#fff; color:#111;
    border:1px solid #c8c8c8;
    border-radius:var(--radius);
    box-shadow:0 8px 28px rgba(0,0,0,.18);
    max-height:300px; overflow-y:auto;
    width:100%;
}
.so-ac-item { display:flex; align-items:baseline; gap:.75rem; padding:.65rem 1rem; font-size:.925rem; cursor:pointer; border-bottom:1px solid #eee; color:#111; }
.so-ac-item:last-child { border-bottom:none; }
.so-ac-item:hover { background:#f0f4ff; }
.so-di-sku   { font-weight:700; font-family:monospace; color:#0A3D91; min-width:110px; flex-shrink:0; }
.so-di-name  { flex:1; color:#222; }
.so-di-price { margin-left:auto; color:#666; font-variant-numeric:tabular-nums; font-size:.875rem; flex-shrink:0; }

/* ── Index page ── */
.filter-bar        { display:flex; flex-wrap:wrap; gap:.75rem; align-items:center; margin-bottom:1rem; }
.filter-bar__search{ flex:1; min-width:200px; }
.filter-bar__chips { display:flex; flex-wrap:wrap; gap:.4rem; }
.filter-bar__sort  { margin-left:auto; }
.input--search     { width:100%; }

/* ── Shared ── */
.address-block { font-style:normal; font-size:.875rem; line-height:1.7; color:var(--color-text-primary); }
.form-label--required::after { content:' *'; color:var(--color-danger); }
.btn--danger-ghost { background:none; border:none; color:var(--color-danger); font-size:1.1rem; cursor:pointer; padding:.1rem .4rem; border-radius:4px; }
.btn--danger-ghost:hover { background:var(--color-danger-bg); }
.autocomplete-dropdown { position:absolute; z-index:200; background:#fff; border:1px solid var(--color-border); border-radius:var(--radius); box-shadow:var(--shadow-md); max-height:220px; overflow-y:auto; width:100%; left:0; top:100%; margin-top:2px; }
.autocomplete-item { padding:.5rem .75rem; font-size:.875rem; cursor:pointer; }
.autocomplete-item:hover { background:var(--color-surface-raised); }
.selected-customer { display:flex; align-items:center; justify-content:space-between; padding:.5rem .75rem; background:var(--color-surface-raised); border:1px solid var(--color-border); border-radius:var(--radius); font-size:.875rem; }