@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --bg-main: #fcfdfe;
    --bg-sidebar: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.7);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
    --radius: 16px;
    --radius-sm: 8px;
    --sidebar-width: 280px;
    --glass: rgba(255, 255, 255, 0.8);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Sidebar */
aside {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 3rem;
    letter-spacing: -0.025em;
}

.nav-links {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.75rem;
}

.tab-link {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
}

.tab-link:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.tab-link.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

/* Main Content */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 3rem;
    max-width: 1600px;
    margin-right: auto;
}

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

header {
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.05em;
}

/* Filters */
.filters-wrapper {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 1.75rem;
    border-radius: var(--radius);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
}

.filter-group label {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group input[type="date"],
.filter-group select {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
    background: white;
}

.filter-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.dropdown-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
    min-width: 200px;
}

.dropdown-trigger:hover {
    border-color: var(--primary);
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 280px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: none;
    flex-direction: column;
    padding: 8px;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown.active .dropdown-content {
    display: flex;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    height: 46px;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.metric-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.metric-card:hover::before {
    opacity: 1;
}

.metric-card h3 {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-card p {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.chart-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.chart-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
}

/* Table */
.table-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.analytics-table th {
    background: #f8fafc;
    padding: 16px 20px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}

.analytics-table td {
    padding: 18px 20px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
}

.analytics-table tr:hover {
    background: var(--primary-light);
}

/* Progress Bars */
.progress-bar-container {
    height: 10px;
    background: #f1f5f9;
    border-radius: 99px;
    overflow: hidden;
    margin-top: 6px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #818cf8);
    border-radius: 99px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Loader */
.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--primary-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    margin: 4rem auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .main-wrapper {
        padding: 1.5rem;
        margin-left: 0;
    }

    aside {
        display: none;
    }

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