/* ============================================================
   GR2 Hub — Liquid Glass Design System
   Glassmorphism + Premium Dark Theme
   ============================================================ */

:root {
    --bg-base: #0a0a0f;
    --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #0d1117 30%, #0f0a1a 60%, #0a0f15 100%);
    --bg-mesh: radial-gradient(ellipse at 20% 50%, rgba(99, 65, 210, 0.08) 0%, transparent 50%),
               radial-gradient(ellipse at 80% 20%, rgba(56, 138, 221, 0.06) 0%, transparent 50%),
               radial-gradient(ellipse at 50% 80%, rgba(200, 164, 78, 0.04) 0%, transparent 50%);

    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-bg-active: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.14);
    --glass-border-focus: rgba(200, 164, 78, 0.4);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glass-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --glass-blur: 20px;
    --glass-blur-lg: 40px;

    --glass-sidebar: rgba(8, 8, 16, 0.6);
    --glass-card: rgba(255, 255, 255, 0.03);
    --glass-input: rgba(255, 255, 255, 0.04);
    --glass-topbar: rgba(10, 10, 15, 0.7);

    --text-primary: rgba(255, 255, 255, 0.92);
    --text-secondary: rgba(255, 255, 255, 0.55);
    --text-muted: rgba(255, 255, 255, 0.3);
    --text-accent: #d4a853;

    --accent: #d4a853;
    --accent-hover: #e0ba6a;
    --accent-glow: rgba(212, 168, 83, 0.15);
    --accent-glow-strong: rgba(212, 168, 83, 0.25);

    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.1);
    --success-border: rgba(52, 211, 153, 0.2);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.1);
    --danger-border: rgba(248, 113, 113, 0.2);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    --warning-border: rgba(251, 191, 36, 0.2);
    --info: #60a5fa;
    --info-bg: rgba(96, 165, 250, 0.1);
    --info-border: rgba(96, 165, 250, 0.2);

    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 60px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   Reset & Base
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }

body {
    font-family: var(--font-main);
    background: var(--bg-base);
    background-image: var(--bg-mesh), var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--text-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

::selection { background: var(--accent-glow-strong); color: var(--text-primary); }

/* ============================================================
   Glass Mixin (via shared properties)
   ============================================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* ============================================================
   Sidebar
   ============================================================ */

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0; top: 0;
    background: var(--glass-sidebar);
    backdrop-filter: blur(var(--glass-blur-lg));
    -webkit-backdrop-filter: blur(var(--glass-blur-lg));
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    transition: width var(--transition);
    z-index: 100;
    overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-header {
    padding: 18px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--glass-border);
    min-height: 62px;
}

.sidebar-logo { display: flex; align-items: center; gap: 10px; }

.logo-icon {
    font-size: 24px;
    color: var(--accent);
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }

.logo-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-details { display: none; }

.sidebar-toggle {
    background: none; border: none;
    color: var(--text-muted);
    cursor: pointer; padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sidebar-toggle:hover { color: var(--text-primary); background: var(--glass-bg-hover); }

/* Navigation */
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 10px; }
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 10px; }

.nav-section { margin-bottom: 6px; }

.nav-section-title {
    font-size: 10px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--text-muted);
    padding: 10px 12px 6px;
}

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition);
    margin-bottom: 2px;
    font-size: 13px; font-weight: 500;
    position: relative;
}

.nav-item:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(212, 168, 83, 0.15);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 20px;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 12px var(--accent-glow);
}

.nav-item i { width: 20px; text-align: center; font-size: 14px; flex-shrink: 0; }

/* Sidebar footer */
.sidebar-footer { padding: 12px; border-top: 1px solid var(--glass-border); }

.user-info { display: flex; align-items: center; gap: 10px; }

.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--accent-glow);
    border: 1px solid rgba(212, 168, 83, 0.2);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px; flex-shrink: 0;
}

.user-details { flex: 1; min-width: 0; }

.user-name {
    font-size: 12px; font-weight: 600;
    display: block; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis;
}

.user-role { font-size: 10px; color: var(--text-muted); text-transform: capitalize; }

.user-logout {
    color: var(--text-muted); padding: 6px;
    border-radius: var(--radius-sm); transition: var(--transition);
}
.user-logout:hover { color: var(--danger); background: var(--danger-bg); }

/* ============================================================
   Main Content
   ============================================================ */

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1; min-height: 100vh;
    transition: margin-left var(--transition);
}

.main-content.expanded { margin-left: var(--sidebar-collapsed); }

.top-bar {
    height: var(--topbar-height);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    background: var(--glass-topbar);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    position: sticky; top: 0; z-index: 50;
}

.top-bar-left { display: flex; align-items: center; gap: 12px; }
.page-title { font-size: 16px; font-weight: 600; letter-spacing: 0.3px; }
.top-bar-date { font-size: 12px; color: var(--text-muted); }

.mobile-toggle {
    display: none; background: none; border: none;
    color: var(--text-secondary); font-size: 18px; cursor: pointer;
}

.content-area { padding: 24px; }

/* ============================================================
   Stats Cards — Glass
   ============================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; margin-bottom: 24px;
}

.stat-card {
    background: var(--glass-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.stat-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow-lg);
}

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

.stat-icon {
    width: 42px; height: 42px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    backdrop-filter: blur(10px);
}

.stat-icon.accent { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(212,168,83,0.15); }
.stat-icon.success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.stat-icon.info { background: var(--info-bg); color: var(--info); border: 1px solid var(--info-border); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }

.stat-value { font-size: 30px; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 0.3px; }

/* ============================================================
   Panel / Card — Glass
   ============================================================ */

.panel {
    background: var(--glass-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--glass-shadow);
    position: relative;
}

.panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

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

.panel-title { font-size: 14px; font-weight: 600; letter-spacing: 0.3px; }
.panel-body { padding: 22px; }
.panel-body.no-padding { padding: 0; }

/* ============================================================
   Tables — Glass
   ============================================================ */

.table-responsive { overflow-x: auto; }

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

thead th {
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px;
    color: var(--text-muted);
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.03);
    transition: var(--transition);
}

tbody tr:hover { background: var(--glass-bg-hover); }
tbody tr:last-child { border-bottom: none; }

tbody td { padding: 14px 18px; font-size: 13px; vertical-align: middle; }

td .cell-main { font-weight: 500; color: var(--text-primary); }
td .cell-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   Badges — Glass
   ============================================================ */

.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px; font-weight: 500;
    backdrop-filter: blur(8px);
}

.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-info { background: var(--info-bg); color: var(--info); border: 1px solid var(--info-border); }
.badge-default { background: var(--glass-bg-hover); color: var(--text-secondary); border: 1px solid var(--glass-border); }

/* ============================================================
   Buttons — Glass
   ============================================================ */

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 13px; font-weight: 500;
    font-family: var(--font-main);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #0a0a0f;
    border: none;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 24px var(--accent-glow-strong);
    transform: translateY(-1px);
}

.btn-outline {
    background: var(--glass-bg);
    color: var(--text-secondary);
    border-color: var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-outline:hover:not(:disabled) {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
    border-color: var(--glass-border-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none; padding: 8px 12px;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(248, 113, 113, 0.2);
}

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-icon { width: 36px; height: 36px; padding: 0; justify-content: center; border-radius: var(--radius-sm); }
.actions-group { display: flex; gap: 4px; }

/* ============================================================
   Forms — Glass
   ============================================================ */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block; font-size: 12px; font-weight: 500;
    color: var(--text-secondary); margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.form-group label .required { color: var(--danger); }

.form-control {
    width: 100%; padding: 11px 16px;
    background: var(--glass-input);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 13px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--glass-border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow), 0 0 20px var(--accent-glow);
    background: var(--glass-bg-hover);
}

.form-control::placeholder { color: var(--text-muted); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(255,255,255,0.3)' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

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

.form-actions {
    display: flex; gap: 10px; justify-content: flex-end;
    padding-top: 18px;
    border-top: 1px solid var(--glass-border);
    margin-top: 18px;
}

.form-section-title {
    font-size: 13px; font-weight: 600;
    color: var(--accent);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 16px; margin-top: 28px;
    letter-spacing: 0.5px;
}

.form-section-title:first-child { margin-top: 0; }

/* ============================================================
   Search & Filter bar — Glass
   ============================================================ */

.filter-bar {
    display: flex; gap: 10px; align-items: center;
    margin-bottom: 18px; flex-wrap: wrap;
}

.search-box { flex: 1; min-width: 200px; position: relative; }

.search-box i {
    position: absolute; left: 14px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted); font-size: 13px;
}

.search-box input {
    width: 100%; padding: 10px 16px 10px 38px;
    background: var(--glass-input);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-main); font-size: 13px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--glass-border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ============================================================
   Toast — Glass
   ============================================================ */

.toast-container {
    position: fixed; top: 20px; right: 20px;
    z-index: 10000; display: flex; flex-direction: column; gap: 8px;
}

.toast {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 13px; font-weight: 500;
    background: rgba(20, 20, 30, 0.85);
    backdrop-filter: blur(var(--glass-blur-lg));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow-lg);
    transform: translateX(120%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show { transform: translateX(0); }
.toast-success { border-left: 3px solid var(--success); }
.toast-success i { color: var(--success); }
.toast-error { border-left: 3px solid var(--danger); }
.toast-error i { color: var(--danger); }

/* ============================================================
   Modal — Glass
   ============================================================ */

.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    z-index: 10000;
    opacity: 0; transition: opacity 0.25s ease;
}

.modal-overlay.show { opacity: 1; }

.modal-box {
    background: rgba(20, 20, 30, 0.9);
    backdrop-filter: blur(var(--glass-blur-lg));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 28px;
    max-width: 420px; width: 90%;
    box-shadow: var(--glass-shadow-lg);
}

.modal-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.modal-message { font-size: 13px; color: var(--text-secondary); margin-bottom: 22px; line-height: 1.6; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   Empty State
   ============================================================ */

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state i { font-size: 36px; margin-bottom: 12px; display: block; opacity: 0.4; }
.empty-state h3 { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.empty-state p { font-size: 12px; }

/* ============================================================
   Skeleton Loader
   ============================================================ */

.skeleton {
    background: linear-gradient(90deg, var(--glass-bg) 25%, var(--glass-bg-hover) 50%, var(--glass-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.8s ease-in-out infinite;
    border-radius: var(--radius-sm);
    height: 16px; width: 80%;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================
   Login Page — Glass
   ============================================================ */

.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-base);
    background-image: var(--bg-mesh), var(--bg-gradient);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
    top: 20%; left: 30%;
    animation: float 8s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.06) 0%, transparent 70%);
    bottom: 10%; right: 20%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -20px); }
}

.login-card {
    width: 100%; max-width: 420px;
    padding: 44px;
    background: rgba(15, 15, 25, 0.6);
    backdrop-filter: blur(var(--glass-blur-lg));
    -webkit-backdrop-filter: blur(var(--glass-blur-lg));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow-lg);
    position: relative; z-index: 1;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.login-logo { text-align: center; margin-bottom: 36px; }

.login-logo .logo-icon {
    font-size: 44px; display: block; margin-bottom: 10px;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.login-logo h1 {
    font-size: 28px; font-weight: 700;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo p { color: var(--text-muted); font-size: 12px; margin-top: 6px; letter-spacing: 1px; }

.login-form .form-group { margin-bottom: 20px; }
.login-form .form-control { padding: 13px 18px; font-size: 14px; }

.login-btn {
    width: 100%; padding: 13px;
    font-size: 14px; font-weight: 600;
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.login-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 12px; margin-bottom: 18px;
    display: none;
    backdrop-filter: blur(8px);
}

.login-error.show { display: block; }

/* ============================================================
   Scrollbar
   ============================================================ */

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--glass-border-hover); }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.mobile-open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
    .mobile-toggle { display: block; }
    .content-area { padding: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .search-box { width: 100%; }
}