/* ═══════════════════════════════════════════════════════
   ManageHub — Design System v3
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
    --brand:        #6366f1;
    --brand-hover:  #4f46e5;
    --brand-light:  #ede9fe;

    --success:  #10b981;
    --warning:  #f59e0b;
    --danger:   #ef4444;
    --info:     #0ea5e9;
    --purple:   #8b5cf6;

    --bg:           #f8fafc;
    --surface:      #ffffff;
    --surface-2:    #f1f5f9;
    --border:       #e2e8f0;
    --border-focus: #6366f1;

    --text:    #0f172a;
    --text-2:  #475569;
    --text-3:  #94a3b8;

    --sidebar-bg:     #1e1b4b;
    --sidebar-hover:  rgba(255,255,255,0.08);
    --sidebar-active: rgba(99,102,241,0.22);
    --sidebar-text:   rgba(255,255,255,0.72);
    --sidebar-text-h: #ffffff;

    --sidebar-w: 248px;
    --topbar-h:  60px;
    --radius:    10px;
    --radius-sm: 6px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
    --shadow:    0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);

    --ease: cubic-bezier(0.4,0,0.2,1);
    --dur:  180ms;
    --theme-dur: 240ms;

    /* Chart colors — intentionally read via JS in getChartColors(), not used directly in CSS */
    --chart-text:   #475569;
    --chart-grid:   rgba(0,0,0,0.06);
}

[data-theme="dark"] {
    --bg:        #0f1117;
    --surface:   #1a1d27;
    --surface-2: #22263a;
    --border:    #2e3347;
    --border-focus: #818cf8;

    --text:   #f1f5f9;
    --text-2: #94a3b8;
    --text-3: #475569;

    --sidebar-bg:     #12101e;
    --sidebar-hover:  rgba(255,255,255,0.06);
    --sidebar-active: rgba(99,102,241,0.18);

    --brand-light: rgba(99,102,241,0.15);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow:    0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.5);

    --chart-text: #94a3b8;
    --chart-grid: rgba(255,255,255,0.07);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-size: 14px; line-height: 1.5;
    background: var(--bg); color: var(--text);
    transition: background-color var(--theme-dur) var(--ease), color var(--theme-dur) var(--ease);
    -webkit-font-smoothing: antialiased;
}

/* Controlled theme transition to avoid jumpy mode switches */
.theme-switching,
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
    transition-property: background-color, color, border-color, box-shadow, fill, stroke !important;
    transition-duration: var(--theme-dur) !important;
    transition-timing-function: var(--ease) !important;
}
@media (prefers-reduced-motion: reduce) {
    .theme-switching,
    .theme-switching *,
    .theme-switching *::before,
    .theme-switching *::after {
        transition: none !important;
    }
}

/* ══════════ AUTH ══════════ */
#login-overlay {
    position: fixed; inset: 0;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; padding: 20px;
}
.auth-container { width: 100%; max-width: 480px; }
.auth-box {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 40px 36px;
    box-shadow: var(--shadow-lg); animation: slideUp 0.4s var(--ease);
}
@keyframes slideUp {
    from { transform: translateY(24px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-logo   { font-size: 2.2rem; margin-bottom: 10px; display: block; }
.auth-header h2 { font-size: 1.6rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.auth-header p  { color: var(--text-2); font-size: 0.875rem; }
.auth-btn {
    width: 100%; padding: 13px;
    background: var(--brand); color: #fff; border: none;
    border-radius: var(--radius); font-size: 0.95rem; font-weight: 600;
    cursor: pointer; transition: background var(--dur), transform 80ms; margin-top: 4px;
}
.auth-btn:hover  { background: var(--brand-hover); }
.auth-btn:active { transform: scale(0.985); }
.auth-switch {
    text-align: center; margin-top: 20px; padding-top: 16px;
    border-top: 1px solid var(--border); color: var(--text-2); font-size: 0.875rem;
}
.auth-switch a { color: var(--brand); font-weight: 500; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width:480px) { .form-row-2 { grid-template-columns: 1fr; } }
.input-icon-wrap { position: relative; display: flex; align-items: center; }
.input-icon-wrap input { padding-right: 42px; }
.toggle-pw {
    position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    background: none; border: none; cursor: pointer; font-size: 15px; opacity: 0.5;
    transition: opacity var(--dur);
}
.toggle-pw:hover { opacity: 1; }
.error-msg {
    color: var(--danger); font-size: 0.8rem; padding: 10px 12px;
    background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
    border-left: 3px solid var(--danger); border-radius: var(--radius-sm);
    margin-bottom: 14px; display: none;
}
.success-msg {
    color: var(--success); font-size: 0.8rem; padding: 10px 12px;
    background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2);
    border-left: 3px solid var(--success); border-radius: var(--radius-sm);
    margin-bottom: 14px; display: none;
}
.required { color: var(--danger); }

/* ══════════ SIDEBAR ══════════ */
.sidebar {
    width: var(--sidebar-w); background: var(--sidebar-bg);
    position: fixed; top: 0; left: 0; height: 100vh;
    display: flex; flex-direction: column;
    z-index: 1500; transition: transform var(--dur) var(--ease); overflow: hidden;
}
.sidebar.collapsed { transform: translateX(-100%); }
.sidebar-header {
    display: flex; align-items: center; gap: 10px;
    padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sidebar-logo  { font-size: 1.4rem; }
.sidebar-title { font-size: 1rem; font-weight: 700; color: #fff; letter-spacing: -0.02em; }

.user-info {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px; margin: 10px 12px;
    background: rgba(255,255,255,0.05); border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
}
.avatar {
    width: 36px; height: 36px; background: var(--brand); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.95rem; color: #fff; flex-shrink: 0;
}
.user-details { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
#user-name {
    font-size: 0.85rem; font-weight: 600; color: #fff;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.role-badge {
    font-size: 0.68rem; font-weight: 600; padding: 2px 8px;
    border-radius: 20px; background: var(--brand); color: #fff;
    letter-spacing: 0.03em; text-transform: uppercase; width: fit-content;
}

.sidebar-nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav-btn {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; background: none; border: none; border-radius: var(--radius);
    color: var(--sidebar-text); font-size: 0.875rem; font-weight: 500;
    cursor: pointer; transition: background var(--dur), color var(--dur);
    margin-bottom: 2px; text-align: left; position: relative;
}
.nav-btn:hover  { background: var(--sidebar-hover); color: var(--sidebar-text-h); }
.nav-btn.active {
    background: var(--sidebar-active); color: #fff; font-weight: 600;
    box-shadow: inset 3px 0 0 var(--brand);
}
.nav-icon  { font-size: 1rem; flex-shrink: 0; }
.nav-label { flex: 1; }

/* Warning badge on nav items */
.nav-badge {
    background: var(--danger); color: #fff; font-size: 0.65rem; font-weight: 700;
    padding: 2px 6px; border-radius: 99px; min-width: 18px; text-align: center;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.6; }
}

.nav-divider {
    padding: 14px 14px 6px; font-size: 0.68rem; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.3);
}
.sidebar-footer {
    padding: 10px 12px 16px; border-top: 1px solid rgba(255,255,255,0.06);
    display: flex; flex-direction: column; gap: 6px;
}
.theme-toggle-btn {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 10px 14px; background: none;
    border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius);
    color: var(--sidebar-text); font-size: 0.85rem; cursor: pointer;
    transition: all var(--dur);
}
.theme-toggle-btn:hover { background: var(--sidebar-hover); color: #fff; }
.logout-btn {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 10px 14px; background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.2); border-radius: var(--radius);
    color: #ef4444; font-size: 0.85rem; font-weight: 500;
    cursor: pointer; transition: all var(--dur);
}
.logout-btn:hover { background: #ef4444; color: #fff; border-color: transparent; }

/* ══════════ MAIN CONTENT ══════════ */
.main-content {
    margin-left: var(--sidebar-w); min-height: 100vh;
    transition: margin-left var(--dur) var(--ease); background: var(--bg);
}
body.sidebar-collapsed .main-content { margin-left: 0; }

/* ── Topbar ── */
.topbar {
    height: var(--topbar-h); position: sticky; top: 0; z-index: 1200;
    background: var(--surface); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 12px; padding: 0 24px;
    box-shadow: var(--shadow-sm);
    transition: background var(--dur), border-color var(--dur);
}
.sidebar-toggle {
    background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
    color: var(--text-2); font-size: 1rem; width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all var(--dur); flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--surface-2); color: var(--text); }
.topbar-breadcrumb { font-weight: 600; color: var(--text); font-size: 0.9rem; white-space: nowrap; }

/* Topbar warning pills */
.topbar-warnings {
    flex: 1; display: flex; gap: 6px; flex-wrap: nowrap; overflow: hidden;
    padding: 0 8px;
}
.warn-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 99px; font-size: 0.72rem; font-weight: 600;
    background: rgba(239,68,68,0.1); color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2); white-space: nowrap;
    cursor: pointer; transition: background var(--dur);
}
.warn-pill:hover { background: rgba(239,68,68,0.2); }
.warn-pill.warning { background: rgba(245,158,11,0.1); color: #d97706; border-color: rgba(245,158,11,0.25); }
.warn-pill.warning:hover { background: rgba(245,158,11,0.2); }

.topbar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.theme-icon-btn {
    background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
    width: 36px; height: 36px; font-size: 1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--dur);
}
.theme-icon-btn:hover { background: var(--surface-2); }

/* Theme icon visibility in dark mode */
[data-theme="dark"] .theme-icon-btn { filter: brightness(1.2); }
[data-theme="dark"] .theme-toggle-btn span:first-child { filter: brightness(1.1); }

/* ══════════ SECTIONS ══════════ */
.section { display: none; padding: 28px 28px 48px; animation: fadeSlide 0.22s var(--ease); }
.section.active { display: block; }
@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-header { margin-bottom: 24px; }
.page-header h1, .page-header-row h1 {
    font-size: 1.5rem; font-weight: 700; color: var(--text);
    letter-spacing: -0.02em; margin-bottom: 3px;
}
.page-sub { color: var(--text-2); font-size: 0.875rem; }
.page-header-row {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px; margin-bottom: 24px; flex-wrap: wrap;
}

/* Date filter group */
.date-filter-group {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.date-input {
    padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text); font-size: 0.8rem; width: auto;
    transition: border-color var(--dur);
}
.date-input:focus { outline: none; border-color: var(--border-focus); }
.date-filter-sep { font-size: 0.8rem; color: var(--text-3); user-select: none; }
.date-filter-label { font-size: 0.75rem; color: var(--text-3); white-space: nowrap; }
.date-filter-display { font-size: 0.75rem; color: var(--text-2); font-style: italic; }

/* Alert banner */
.alert-banner {
    margin-bottom: 16px; padding: 12px 16px; border-radius: var(--radius);
    background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
    border-left: 4px solid var(--danger); font-size: 0.875rem;
    color: var(--text);
}
.alert-banner .alert-items { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.alert-item {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 99px; font-size: 0.75rem; font-weight: 600;
    background: rgba(239,68,68,0.12); color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2);
}
.alert-item.warn { background: rgba(245,158,11,0.12); color: #d97706; border-color: rgba(245,158,11,0.25); }

/* ── Cards ── */
.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
    margin-bottom: 20px; overflow: hidden;
    transition: background var(--dur), border-color var(--dur);
}
.card-header {
    padding: 14px 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.card-header h3 { font-size: 0.95rem; font-weight: 600; color: var(--text); margin: 0; }

/* ── Stats ── */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(170px,1fr));
    gap: 16px; margin-bottom: 20px;
}
.stat-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 18px 20px;
    display: flex; align-items: center; gap: 14px;
    box-shadow: var(--shadow-sm); border-left: 4px solid var(--accent, var(--brand));
    transition: transform var(--dur), box-shadow var(--dur);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-icon  { font-size: 1.7rem; flex-shrink: 0; }
.stat-label { font-size: 0.72rem; color: var(--text-2); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.stat-value { font-size: 1.7rem; font-weight: 700; color: var(--text); line-height: 1; }

/* ── Analytics Grid (2 charts side by side) ── */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.chart-panel {
    padding: 20px;
    border-right: 1px solid var(--border);
}
.chart-panel:last-child { border-right: none; }
.chart-title {
    font-size: 0.78rem; font-weight: 700; color: var(--text-2);
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px;
}
.chart-canvas-wrap { position: relative; height: 220px; }
.chart-canvas-wrap canvas { width: 100% !important; height: 100% !important; }

/* ── Toolbar ── */
.toolbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.toolbar-left  { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; flex: 1; }
.toolbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.search-wrap   { position: relative; display: flex; align-items: center; }
.search-icon   { position: absolute; left: 10px; font-size: 0.85rem; pointer-events: none; opacity: 0.4; }
.search-wrap input {
    padding: 9px 14px 9px 34px; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--bg); color: var(--text);
    font-size: 0.875rem; width: 300px; min-width: 180px;
    transition: border-color var(--dur), box-shadow var(--dur);
}
.search-wrap input:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
.toolbar-select {
    padding: 4px 6px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg); color: var(--text); font-size: 0.72rem; cursor: pointer;
    min-width: 0; max-width: 120px; height: 28px;
    transition: border-color var(--dur);
}
.toolbar-select:focus { outline: none; border-color: var(--border-focus); }

/* Role dropdown in user table — compact icon-only dropdown */
.role-dropdown-select {
    padding: 3px 4px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg); color: var(--text); font-size: 0.72rem; cursor: pointer;
    width: 36px; min-width: 0; height: 26px; text-align: center;
    transition: border-color var(--dur);
    appearance: none; -webkit-appearance: none;
    text-indent: -9999px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: center;
}
.role-dropdown-select:focus { outline: none; border-color: var(--border-focus); }
.threshold-wrap { display: flex; align-items: center; gap: 6px; }
.threshold-label { font-size: 0.8rem; color: var(--text-2); white-space: nowrap; }
.threshold-input {
    width: 64px; padding: 7px 8px; border: 1px solid var(--border);
    border-radius: var(--radius); background: var(--bg); color: var(--text);
    font-size: 0.85rem; text-align: center;
}
.threshold-input:focus { outline: none; border-color: var(--border-focus); }

/* Bulk action bar */
.bulk-actions {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; background: var(--brand-light);
    border: 1px solid rgba(99,102,241,0.25); border-radius: var(--radius);
    animation: fadeSlide 0.18s var(--ease);
}
.bulk-count { font-size: 0.8rem; font-weight: 600; color: var(--brand); white-space: nowrap; }
.btn-danger-sm {
    padding: 5px 12px; background: rgba(239,68,68,0.1); color: var(--danger);
    border: 1px solid rgba(239,68,68,0.25); border-radius: var(--radius-sm);
    font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all var(--dur);
    white-space: nowrap;
}
.btn-danger-sm:hover { background: var(--danger); color: #fff; border-color: transparent; }
.btn-sm-inline {
    padding: 6px 14px; border-radius: var(--radius-sm); font-size: 0.8rem; font-weight: 600;
    cursor: pointer; border: none; transition: all var(--dur); white-space: nowrap;
}
.btn-sm-inline.btn-primary { background: var(--brand); color: #fff; }
.btn-sm-inline.btn-primary:hover { background: var(--brand-hover); }
.btn-sm-inline.btn-ghost { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.btn-sm-inline.btn-ghost:hover { color: var(--text); }

/* ── Buttons ── */
.btn-primary {
    padding: 9px 18px; background: var(--brand); color: #fff; border: none;
    border-radius: var(--radius); font-size: 0.875rem; font-weight: 600;
    cursor: pointer; transition: background var(--dur), box-shadow var(--dur), transform 80ms;
    white-space: nowrap;
}
.btn-primary:hover  { background: var(--brand-hover); box-shadow: 0 4px 12px rgba(99,102,241,0.3); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline {
    padding: 8px 16px; background: transparent; color: var(--text-2);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all var(--dur);
    white-space: nowrap;
}
.btn-outline:hover { background: var(--surface-2); color: var(--text); }
.btn-ghost {
    padding: 9px 16px; background: transparent; color: var(--text-2);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all var(--dur);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

/* Table action buttons */
.btn-sm {
    padding: 5px 12px; border: none; border-radius: var(--radius-sm);
    font-size: 0.78rem; font-weight: 600; cursor: pointer; transition: all var(--dur);
}
.btn-sm.edit     { background: var(--brand-light); color: var(--brand); }
.btn-sm.edit:hover { background: var(--brand); color: #fff; }
.btn-sm.delete   { background: rgba(239,68,68,0.1); color: var(--danger); padding: 4px 14px; font-size: 0.78rem; min-width: 80px; border-radius: var(--radius-sm); border: 1px solid rgba(239,68,68,0.18); transition: background var(--dur), color var(--dur); }
.btn-sm.delete:hover { background: var(--danger); color: #fff; }
.btn-sm.approve  { background: rgba(16,185,129,0.1); color: var(--success); }
.btn-sm.approve:hover { background: var(--success); color: #fff; }
.btn-sm.reject   { background: rgba(239,68,68,0.1); color: var(--danger); }
.btn-sm.reject:hover  { background: var(--danger); color: #fff; }
.btn-sm.ship     { background: rgba(14,165,233,0.1); color: var(--info); }
.btn-sm.ship:hover    { background: var(--info); color: #fff; }
.btn-sm.deactivate, .btn-sm.activate {
    background: rgba(245,158,11,0.08);
    color: var(--warning);
    padding: 4px 14px;
    font-size: 0.78rem;
    min-width: 80px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(245,158,11,0.18);
    transition: background var(--dur), color var(--dur);
    box-sizing: border-box;
    display: inline-block;
}
.btn-sm.deactivate:hover, .btn-sm.activate:hover {
    background: var(--warning);
    color: #fff;
    border-color: transparent;
}

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-2); }
input, select, textarea {
    padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text); font-size: 0.875rem;
    font-family: inherit; width: 100%;
    transition: border-color var(--dur), box-shadow var(--dur), background var(--dur);
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
input::placeholder { color: var(--text-3); }
.form-grid-4 {
    display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 16px 20px;
}
@media (max-width:900px)  { .form-grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width:520px)  { .form-grid-4 { grid-template-columns: 1fr; } }
.form-actions {
    padding: 12px 20px 14px; border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end;
}

/* ── Tables ── */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    padding: 10px 14px; text-align: left; font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2);
    background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap;
}
td {
    padding: 12px 14px; border-bottom: 1px solid var(--border);
    font-size: 0.875rem; color: var(--text); vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--dur); }
tbody tr:hover { background: var(--surface-2); }
.empty-cell { text-align: center; padding: 32px 16px !important; color: var(--text-3); font-size: 0.875rem; }

/* Balanced section tables */
.table-balanced { table-layout: fixed; }
.table-balanced th, .table-balanced td {
    overflow: hidden;
    text-overflow: ellipsis;
}
.table-balanced td.col-product,
.table-balanced td.col-customer,
.table-balanced td.col-destination,
.table-balanced td.col-items,
.table-balanced td.col-description,
.table-balanced td.col-email,
.table-balanced td.col-products,
.table-balanced td.col-name,
.table-balanced td.col-contact {
    white-space: normal;
    overflow-wrap: anywhere;
}
.table-balanced td.col-check-col,
.table-balanced td.col-id,
.table-balanced td.col-order-id,
.table-balanced td.col-qty,
.table-balanced td.col-total,
.table-balanced td.col-stock,
.table-balanced td.col-status,
.table-balanced td.col-update,
.table-balanced td.col-invoice,
.table-balanced td.col-time,
.table-balanced td.col-requested,
.table-balanced td.col-role,
.table-balanced td.col-password,
.table-balanced td.col-lead,
.table-balanced td.col-actions,
.table-balanced td.col-role-assignment {
    white-space: nowrap;
}

/* make tables more responsive and better distribute column widths */
.inventory-table { min-width: 820px; }
.orders-table { min-width: 940px; }
.shipping-table { min-width: 920px; }
.activity-table { min-width: 820px; }
.users-pending-table { min-width: 920px; }
.users-all-table { min-width: 980px; }
.suppliers-table { min-width: 920px; }

.inventory-table .col-check-col { width: 44px; }
.inventory-table .col-id { width: 6%; }
.inventory-table .col-product { width: 34%; }
.inventory-table .col-category { width: 16%; }
.inventory-table .col-price { width: 10%; }
.inventory-table .col-stock { width: 8%; }
.inventory-table .col-actions { width: 26%; }

.orders-table .col-order-id { width: 8%; }
.orders-table .col-customer { width: 16%; }
.orders-table .col-product { width: 26%; }
.orders-table .col-qty { width: 6%; }
.orders-table .col-total { width: 8%; }
.orders-table .col-status { width: 12%; }
.orders-table .col-update { width: 16%; }
.orders-table .col-invoice { width: 8%; }

.shipping-table .col-order-id { width: 8%; }
.shipping-table .col-customer { width: 14%; }
.shipping-table .col-destination { width: 30%; }
.shipping-table .col-items { width: 18%; }
.shipping-table .col-status { width: 12%; }
.shipping-table .col-est-delivery { width: 12%; }

.activity-table .col-type { width: 12%; }
.activity-table .col-description { width: 58%; }
.activity-table .col-by { width: 15%; }
.activity-table .col-time { width: 15%; }

.users-pending-table .col-name { width: 18%; }
.users-pending-table .col-username { width: 14%; }
.users-pending-table .col-email { width: 22%; }
.users-pending-table .col-requested { width: 14%; }
.users-pending-table .col-role-assignment { width: 12%; }
.users-pending-table .col-actions { width: 20%; }

.users-all-table .col-name { width: 14%; }
.users-all-table .col-username { width: 12%; }
.users-all-table .col-email { width: 18%; }
.users-all-table .col-password { width: 9%; }
.users-all-table .col-role { width: 10%; }
.users-all-table .col-status { width: 9%; }
.users-all-table .col-actions { width: 28%; }

.suppliers-table .col-supplier { width: 20%; }
.suppliers-table .col-contact { width: 16%; }
.suppliers-table .col-email { width: 24%; }
.suppliers-table .col-products { width: 28%; }
.suppliers-table .col-actions { width: 12%; }

/* Checkbox column */
.col-check { width: 40px; }
input[type="checkbox"] {
    width: 16px; height: 16px; accent-color: var(--brand);
    cursor: pointer; border-radius: 4px;
}

/* Low stock — visible red tint in BOTH light and dark mode */
.low-stock td {
    background: rgba(239,68,68,0.08) !important;
}
.low-stock:hover td {
    background: rgba(239,68,68,0.15) !important;
}
[data-theme="dark"] .low-stock td {
    background: rgba(239,68,68,0.14) !important;
}
[data-theme="dark"] .low-stock:hover td {
    background: rgba(239,68,68,0.22) !important;
}
.qty-badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px;
    background: rgba(239,68,68,0.1); color: var(--danger); border-radius: 99px;
    font-size: 0.78rem; font-weight: 700; border: 1px solid rgba(239,68,68,0.2);
}
.qty-badge::before { content: "⚠"; font-size: 0.7rem; }

/* Status select in orders table */
.status-select {
    padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg); color: var(--text); font-size: 0.8rem; cursor: pointer; max-width: 140px;
}

/* ── Badges ── */
.badge {
    display: inline-flex; align-items: center; padding: 4px 10px;
    border-radius: 99px; font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
}
.bg-pending    { background: rgba(245,158,11,0.12);  color: #d97706; border: 1px solid rgba(245,158,11,0.25); }
.bg-processing { background: rgba(14,165,233,0.12);  color: #0284c7; border: 1px solid rgba(14,165,233,0.25); }
.bg-shipped    { background: rgba(139,92,246,0.12);  color: #7c3aed; border: 1px solid rgba(139,92,246,0.25); }
.bg-delivered  { background: rgba(16,185,129,0.12);  color: #059669; border: 1px solid rgba(16,185,129,0.25); }
.bg-cancelled  { background: rgba(239,68,68,0.12);   color: #dc2626; border: 1px solid rgba(239,68,68,0.25); }
.status-active   { background: rgba(16,185,129,0.12); color: #059669; border: 1px solid rgba(16,185,129,0.25); }
.status-inactive { background: rgba(239,68,68,0.12);  color: #dc2626; border: 1px solid rgba(239,68,68,0.25); }
.status-pending  { background: rgba(245,158,11,0.12); color: #d97706; border: 1px solid rgba(245,158,11,0.25); }
.role-admin   { background: rgba(139,92,246,0.12); color: #7c3aed; border: 1px solid rgba(139,92,246,0.25); }
.role-manager { background: rgba(14,165,233,0.12); color: #0284c7; border: 1px solid rgba(14,165,233,0.25); }
.role-staff   { background: rgba(100,116,139,0.12); color: #475569; border: 1px solid rgba(100,116,139,0.25); }

.activity-badge-auth      { background: rgba(14,165,233,0.12);  color: #0284c7; border: 1px solid rgba(14,165,233,0.25); }
.activity-badge-order     { background: rgba(245,158,11,0.12);  color: #d97706; border: 1px solid rgba(245,158,11,0.25); }
.activity-badge-inventory { background: rgba(99,102,241,0.12);  color: #4f46e5; border: 1px solid rgba(99,102,241,0.25); }
.activity-badge-shipping  { background: rgba(16,185,129,0.12);  color: #059669; border: 1px solid rgba(16,185,129,0.25); }
.activity-badge-usermgmt  { background: rgba(139,92,246,0.12);  color: #7c3aed; border: 1px solid rgba(139,92,246,0.25); }

/* ── Modal ── */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(15,17,23,0.6);
    backdrop-filter: blur(4px); z-index: 2000;
    display: flex; align-items: center; justify-content: center; padding: 20px;
    animation: fadeIn 0.15s var(--ease);
}
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.modal-box {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); width: 520px; max-width: 100%;
    box-shadow: var(--shadow-lg); animation: scaleIn 0.2s var(--ease); overflow: hidden;
}
@keyframes scaleIn {
    from { transform: scale(0.96); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin: 0; }
.modal-close {
    background: var(--surface-2); border: 1px solid var(--border); border-radius: 50%;
    width: 30px; height: 30px; font-size: 0.85rem; cursor: pointer; color: var(--text-2);
    display: flex; align-items: center; justify-content: center; transition: all var(--dur);
}
.modal-close:hover { background: var(--danger); color: #fff; border-color: transparent; }
.modal-body { padding: 20px; }
.modal-footer {
    display: flex; align-items: center; gap: 8px; padding: 14px 20px;
    border-top: 1px solid var(--border); background: var(--surface-2);
}

/* ── Toast ── */
.toast {
    position: fixed; bottom: 24px; right: 24px; padding: 12px 18px;
    border-radius: var(--radius); font-size: 0.875rem; font-weight: 500; color: #fff;
    box-shadow: var(--shadow-lg); z-index: 3000; opacity: 0;
    transform: translateY(12px); transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
    pointer-events: none; max-width: 320px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }
.toast.info    { background: var(--brand); }
.toast.warning { background: var(--warning); color: #1a1a1a; }

/* ── Users table — protected cell alignment fix ── */
.users-actions-cell {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    min-height: 36px;
}

/* ── Lead time badge (Suppliers) ── */
.lead-time-badge {
    display: inline-flex; align-items: center; padding: 3px 10px;
    border-radius: 99px; font-size: 0.75rem; font-weight: 600;
    background: rgba(14,165,233,0.1); color: #0284c7;
    border: 1px solid rgba(14,165,233,0.25);
}

/* ── Invoice modal styles ── */
.invoice-wrap { font-size: 0.875rem; }
.invoice-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 24px; padding-bottom: 18px; border-bottom: 2px solid var(--border);
}
.invoice-logo { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.invoice-meta { font-size: 0.8rem; color: var(--text-2); }
.invoice-parties {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px;
}
.invoice-party-label {
    font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 6px;
}
.invoice-party div { font-size: 0.85rem; color: var(--text-2); margin-bottom: 2px; }
.invoice-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.invoice-table th {
    background: var(--surface-2); padding: 9px 12px; text-align: left;
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--text-2);
}
.invoice-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.invoice-table tfoot td {
    border-top: 2px solid var(--border); border-bottom: none; padding-top: 12px;
}
.invoice-footer {
    text-align: center; font-size: 0.78rem; color: var(--text-3);
    margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--border);
}

/* ══════════ RESPONSIVE ══════════ */
@media (max-width:1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.showing { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
}
@media (max-width:768px) {
    .section { padding: 18px 14px 40px; }
    .topbar  { padding: 0 14px; }
    .topbar-warnings { display: none; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-left, .toolbar-right { flex-wrap: wrap; }
    .search-wrap input { width: 100%; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .analytics-grid { grid-template-columns: 1fr; }
    .chart-panel:nth-child(2) { border-right: none; }
    th, td { padding: 10px 10px; font-size: 0.8rem; }
}
@media (max-width:480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .auth-box { padding: 28px 20px; }
    .date-filter-group { flex-direction: column; align-items: flex-start; }
}
.sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4); z-index: 1400;
}
.sidebar-overlay.show { display: block; }

/* ══════════════════════════════════════════════════════════
   NOTIFICATION PANEL
   ══════════════════════════════════════════════════════════ */
.notif-wrapper {
    position: relative;
}
.notif-btn {
    position: relative;
}
.notif-dot {
    position: absolute; top: 4px; right: 4px;
    min-width: 16px; height: 16px; padding: 0 3px;
    background: var(--danger); color: #fff;
    border-radius: 99px; font-size: 0.6rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid var(--surface);
    pointer-events: none;
    line-height: 1;
}
.notif-panel {
    position: absolute; top: calc(100% + 10px); right: 0;
    width: 320px; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); z-index: 2500;
    animation: scaleIn 0.18s var(--ease);
    overflow: hidden;
}
.notif-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: 0.85rem; color: var(--text);
}
.notif-clear-btn {
    background: none; border: none; color: var(--text-3); font-size: 0.75rem;
    cursor: pointer; padding: 2px 6px; border-radius: var(--radius-sm);
    transition: all var(--dur);
}
.notif-clear-btn:hover { background: var(--surface-2); color: var(--text); }
.notif-list {
    max-height: 340px; overflow-y: auto;
}
.notif-empty {
    padding: 24px 16px; text-align: center;
    color: var(--text-3); font-size: 0.83rem;
}
.notif-item {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 12px 16px; cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background var(--dur);
}
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { background: rgba(99,102,241,0.05); }
.notif-item:hover { background: var(--surface-2); }
.notif-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.notif-text { flex: 1; min-width: 0; }
.notif-msg {
    font-size: 0.83rem; color: var(--text); line-height: 1.4;
    word-break: break-word;
}
.notif-item.unread .notif-msg { font-weight: 600; }
.notif-time {
    font-size: 0.72rem; color: var(--text-3); margin-top: 3px;
}

/* ── Dark mode calendar icon lightening ── */
[data-theme="dark"] .date-input::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.4);
    opacity: 0.8;
    cursor: pointer;
}
[data-theme="dark"] .date-input {
    color-scheme: dark;
}