/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Monimas Brand Colors */
    --coral-red: #F03A5F;
    --deep-purple: #3F2E63;
    --primary-blue: #1173d4;
    --secondary-gray: #f0f2f4;
    --text-primary: #111418;
    --text-secondary: #617589;
    --bg-light: #f0f2f4;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --success-green: #10B981;
    --warning-yellow: #F59E0B;
    --danger-red: #EF4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-light);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--deep-purple) 0%, var(--primary-blue) 100%);
}

.login-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 2rem;
    color: var(--deep-purple);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    background: #0d5aa7;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(17, 115, 212, 0.3);
}

.btn:disabled {
    background: var(--secondary-gray);
    cursor: not-allowed;
    transform: none;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--white);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    color: var(--deep-purple);
    font-size: 1.5rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background: rgba(17, 115, 212, 0.1);
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    font-weight: 600;
}

.nav-icon {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 2rem;
    background: var(--bg-light);
}

.page-header {
    background: var(--white);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    font-size: 1.875rem;
    color: var(--deep-purple);
}

.page-header .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-logout {
    padding: 0.625rem 1.25rem;
    background: var(--coral-red);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: #d42947;
    transform: translateY(-2px);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--deep-purple);
}

.stat-value.success {
    color: var(--success-green);
}

.stat-value.danger {
    color: var(--danger-red);
}

.stat-value.warning {
    color: var(--warning-yellow);
}

.stat-trend {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.stat-trend.up {
    color: var(--success-green);
}

.stat-trend.down {
    color: var(--danger-red);
}

/* Charts Section */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Tables */
.table-container {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

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

thead {
    background: var(--bg-light);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: rgba(17, 115, 212, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-red);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-yellow);
}

.badge-info {
    background: rgba(17, 115, 212, 0.1);
    color: var(--primary-blue);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-light) 25%, #e8eaed 50%, var(--bg-light) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite ease-in-out;
    border-radius: 4px;
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.large {
    height: 2rem;
    width: 60%;
}

.skeleton-text.small {
    height: 0.875rem;
    width: 40%;
}

.skeleton-chart {
    height: 200px;
    border-radius: 8px;
}

/* Stat card skeleton */
.stat-card .skeleton-text {
    margin-bottom: 0.5rem;
}

.stat-card .skeleton-text.small {
    height: 0.875rem;
    width: 70%;
    margin-bottom: 0.5rem;
}

.stat-card .skeleton-text.large {
    height: 2rem;
    width: 50%;
    margin-bottom: 0;
}

/* Hide skeleton when data is loaded */
.stat-card.loaded .skeleton {
    display: none !important;
}

/* Hide real content until loaded */
.stat-card:not(.loaded) .stat-value,
.stat-card:not(.loaded) .stat-label,
.stat-card:not(.loaded) .stat-trend {
    display: none;
}

/* Show real content when loaded */
.stat-card.loaded .stat-value,
.stat-card.loaded .stat-label,
.stat-card.loaded .stat-trend {
    display: block;
}

/* Fade in animation when loaded */
.stat-card.loaded .stat-value,
.stat-card.loaded .stat-label {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Chart skeleton specific styles */
.chart-card .skeleton-chart {
    min-height: 200px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

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

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

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