/* ========================================
   Mologreens — Modern Dashboard Styles
   ======================================== */

:root {
    --color-primary: #16a34a;
    --color-primary-light: #22c55e;
    --color-primary-dark: #15803d;
    --color-primary-50: #f0fdf4;
    --color-primary-100: #dcfce7;

    --color-surface: #ffffff;
    --color-surface-alt: #f8fafc;
    --color-background: #f1f5f9;

    --color-text: #0f172a;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);

    --sidebar-width: 260px;
    --header-height: 64px;

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

/* ========================================
   Layout
   ======================================== */

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
}

.sidebar-brand h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.sidebar-brand span {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0 12px;
    margin-bottom: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
}

.sidebar-link:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.sidebar-link.active {
    background: var(--color-primary-100);
    color: var(--color-primary-dark);
    font-weight: 600;
}

.sidebar-link .material-symbols-outlined {
    font-size: 20px;
    opacity: 0.7;
}

.sidebar-link.active .material-symbols-outlined {
    opacity: 1;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-100);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
}

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

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 11px;
    color: var(--color-text-muted);
}

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

/* Header */
.header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.header-breadcrumb a { color: var(--color-text-secondary); }
.header-breadcrumb a:hover { color: var(--color-primary); }
.header-breadcrumb .sep { color: var(--color-text-muted); }

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.menu-toggle:hover {
    background: var(--color-surface-alt);
}

/* Page content */
.page-content {
    padding: 32px;
    max-width: 1400px;
}

/* ========================================
   Components
   ======================================== */

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.card-body { padding: 24px; }
.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-alt);
}

/* Stat cards for dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon.green { background: var(--color-primary-100); color: var(--color-primary); }
.stat-card-icon.blue { background: #dbeafe; color: #3b82f6; }
.stat-card-icon.amber { background: #fef3c7; color: #d97706; }
.stat-card-icon.red { background: #fee2e2; color: #ef4444; }
.stat-card-icon.purple { background: #f3e8ff; color: #9333ea; }

.stat-card-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-card-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-surface-alt);
    color: var(--color-text);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

.btn .material-symbols-outlined { font-size: 18px; }

/* Tables */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead th {
    background: var(--color-surface-alt);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--color-primary-50); }

tbody tr.totals-row td {
    font-weight: 700;
    background: var(--color-surface-alt);
    border-top: 2px solid var(--color-border);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-input,
.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Badges / pills */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
}

.badge-green { background: var(--color-primary-100); color: var(--color-primary-dark); }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-amber { background: #fef3c7; color: #92400e; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-gray { background: #f1f5f9; color: #475569; }

/* Alerts */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-success { background: var(--color-primary-50); color: var(--color-primary-dark); border: 1px solid var(--color-primary-100); }
.alert-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fee2e2; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fef3c7; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #dbeafe; }

/* Module cards for dashboard home */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.module-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 28px;
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.module-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-primary-100);
    color: inherit;
}

.module-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 26px;
}

.module-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}

.module-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.module-card .badge {
    margin-top: 12px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.empty-state .material-symbols-outlined {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

/* ========================================
   Dark Mode
   ======================================== */

/* Toggle button */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    cursor: pointer;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: var(--color-surface-alt);
    color: var(--color-text);
}

.theme-toggle .icon-dark,
[data-theme="dark"] .theme-toggle .icon-light { display: none; }
.theme-toggle .icon-light,
[data-theme="dark"] .theme-toggle .icon-dark { display: inline; }

/* Dark theme overrides */
[data-theme="dark"] {
    --color-primary: #22c55e;
    --color-primary-light: #4ade80;
    --color-primary-dark: #16a34a;
    --color-primary-50: rgba(34, 197, 94, 0.08);
    --color-primary-100: rgba(34, 197, 94, 0.15);

    --color-surface: #1e1e2e;
    --color-surface-alt: #181825;
    --color-background: #11111b;

    --color-text: #cdd6f4;
    --color-text-secondary: #a6adc8;
    --color-text-muted: #6c7086;

    --color-border: #313244;
    --color-border-light: #1e1e2e;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
}

[data-theme="dark"] .badge-green { background: rgba(34,197,94,0.15); color: #4ade80; }
[data-theme="dark"] .badge-blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
[data-theme="dark"] .badge-amber { background: rgba(245,158,11,0.15); color: #fbbf24; }
[data-theme="dark"] .badge-red { background: rgba(239,68,68,0.15); color: #f87171; }
[data-theme="dark"] .badge-gray { background: rgba(108,112,134,0.15); color: #a6adc8; }

[data-theme="dark"] .alert-success { background: rgba(34,197,94,0.1); color: #4ade80; border-color: rgba(34,197,94,0.2); }
[data-theme="dark"] .alert-danger { background: rgba(239,68,68,0.1); color: #f87171; border-color: rgba(239,68,68,0.2); }
[data-theme="dark"] .alert-warning { background: rgba(245,158,11,0.1); color: #fbbf24; border-color: rgba(245,158,11,0.2); }
[data-theme="dark"] .alert-info { background: rgba(59,130,246,0.1); color: #60a5fa; border-color: rgba(59,130,246,0.2); }

[data-theme="dark"] .stat-card-icon.green { background: rgba(34,197,94,0.15); color: #4ade80; }
[data-theme="dark"] .stat-card-icon.blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
[data-theme="dark"] .stat-card-icon.amber { background: rgba(245,158,11,0.15); color: #fbbf24; }
[data-theme="dark"] .stat-card-icon.red { background: rgba(239,68,68,0.15); color: #f87171; }
[data-theme="dark"] .stat-card-icon.purple { background: rgba(147,51,234,0.15); color: #c084fc; }

[data-theme="dark"] .module-card:hover {
    border-color: rgba(34,197,94,0.3);
}

[data-theme="dark"] .module-card-icon {
    background: rgba(34,197,94,0.12) !important;
    color: #4ade80 !important;
}

[data-theme="dark"] .sidebar-brand-icon {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select {
    background: var(--color-surface-alt);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
}

[data-theme="dark"] .btn-secondary {
    background: var(--color-surface-alt);
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

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

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .menu-toggle {
        display: flex;
    }

    .page-content {
        padding: 20px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .header {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}