:root {
    /* Primary Colors - UPDATED TO GREEN */
    --primary: #10B981;
    /* Green as requested */
    --primary-hover: #059669;
    --primary-light: #ECFDF5;
    /* Very light green */

    /* Secondary/Accent - Keep Purple as Brand/Accent */
    --accent: #6B4EFF;
    --accent-light: #F0EBFF;

    /* Utilities */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;

    /* Neutrals */
    --bg-body: #F9FAFB;
    --bg-card: #FFFFFF;
    --text-main: #111827;
    --text-muted: #6B7280;
    --text-light: #9CA3AF;
    --border-color: #E5E7EB;

    /* Shadows & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    /* Larger cards */
    --radius-full: 9999px;
    /* Rounded buttons */

    /* Sidebar */
    --sidebar-width: 260px;
    --header-height: 64px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    /* Removed aggressive margin/padding reset to prevent breaking other pages */
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout Grid */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: white;
    border-right: 1px solid var(--border-color);
    z-index: 50;
    overflow-y: auto;
    /* Restored flex properties for sidebar layout */
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    padding-top: calc(var(--header-height) + 2rem);
    transition: margin-left 0.3s ease;
    width: auto;
    /* Allow auto width to respect margin */
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 1.875rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

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

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

/* Components: Cards */
.card,
.widget-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover,
.widget-card:hover {
    box-shadow: var(--shadow-md);
}

/* Components: Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background-color: var(--bg-body);
    border-color: var(--text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    background: var(--bg-body);
    color: var(--primary);
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    color: var(--text-main);
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 500;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: var(--success-light);
    color: #065F46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400E;
}

.badge-danger {
    background: var(--danger-light);
    color: #991B1B;
}

.badge-info {
    background: var(--info-light);
    color: #1E40AF;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-gray {
    background: #F3F4F6;
    color: #374151;
}

.status-success {
    background: var(--success-light);
    color: #065F46;
}

.status-pending {
    background: var(--warning-light);
    color: #92400E;
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-body);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* Utilities */
.shadow-soft {
    box-shadow: var(--shadow-md);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.items-end {
    align-items: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-8 {
    gap: 2rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.px-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.w-full {
    width: 100%;
}

.font-bold {
    font-weight: 700;
}

.font-medium {
    font-weight: 500;
}

.uppercase {
    text-transform: uppercase;
}

.tracking-wide {
    letter-spacing: 0.025em;
}

.text-center {
    text-align: center;
}

.leading-none {
    line-height: 1;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.text-green-500 {
    color: #10B981;
}

.text-red-600 {
    color: #DC2626;
}

.bg-red-50 {
    background-color: #FEF2F2;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9CA3AF;
}

/* --- GLOBAL LAYOUT COMPONENTS --- */

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 50;
    transition: all 0.3s ease;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.logo-main {
    max-height: 32px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.925rem;
    transition: all 0.2s;
    text-decoration: none;
}

.sidebar-nav a:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
}

.sidebar-nav a.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.sidebar-nav a.active i {
    color: var(--primary);
}

.nav-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1rem 0;
}

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

.user-mini-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-body);
    border-radius: var(--radius-md);
}

.avatar-circle {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

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

.user-details .name {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .email {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.logout-btn:hover {
    color: var(--danger);
}

/* Header */
.app-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 40;
    transition: left 0.3s ease;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    text-transform: capitalize;
    margin: 0;
}

.badge-dot {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 300px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    overflow: hidden;
    z-index: 100;
}

.notif-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.notif-list {
    max-height: 300px;
    overflow-y: auto;
}

.notif-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
    font-size: 0.85rem;
    align-items: start;
}

.notif-item:hover {
    background: var(--bg-body);
}

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

/* --- DASHBOARD --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

/* Calendar Widget */
.cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    gap: 0.5rem;
}

.cal-day {
    width: 32px;
    height: 32px;
    line-height: 32px;
    border-radius: 50%;
    font-size: 0.85rem;
    margin: 0 auto;
}

.cal-day.today {
    background: var(--primary);
    color: white;
    font-weight: bold;
}

.cal-day.head {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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