/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #4361ee;
    --primary-light: rgba(67, 97, 238, 0.1);
    --primary-glow: rgba(67, 97, 238, 0.3);
    --secondary-color: #718096;
    --success-color: #06d6a0;
    --info-color: #4cc9f0;
    --warning-color: #ffd166;
    --danger-color: #ef476f;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(12px);
    --sidebar-width: 260px;
    --sidebar-bg: #ffffff;
    --main-bg: #f8fafc;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --card-hover-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background-color: var(--main-bg);
    color: #2d3748;
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

/* Glassmorphism Utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: var(--transition);
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    height: 80px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.sidebar-brand i {
    font-size: 1.6rem;
    margin-right: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav-wrapper {
    overflow-y: auto;
    flex-grow: 1;
    min-height: 0; /* Important for flex child scroll */
}

.sidebar-nav {
    padding: 1.5rem 1rem;
    list-style: none;
    margin: 0;
}

.sidebar-nav .nav-item {
    margin-bottom: 6px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--secondary-color);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.sidebar-nav .nav-link i {
    width: 24px;
    margin-right: 12px;
    font-size: 1.1rem;
    text-align: center;
    transition: var(--transition);
}

.sidebar-nav .nav-link:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    transform: translateX(4px);
}

.sidebar-nav .nav-link.active {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 8px 20px var(--primary-glow);
}

.sidebar-nav .nav-link.active i {
    color: #fff;
}

/* Main Content & Topbar */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding-top: 80px;
    transition: var(--transition);
}

.topbar {
    position: fixed;
    top: 15px;
    left: calc(var(--sidebar-width) + 15px);
    right: 15px;
    height: 65px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    z-index: 999;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.toggle-sidebar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #e2e8f0;
    cursor: pointer;
    transition: var(--transition);
    color: var(--dark-color);
}

.toggle-sidebar:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Cards & Stats */
.card {
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
}

.card-stat {
    position: relative;
    overflow: hidden;
    padding: 1.25rem;
}

.card-stat .card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
}

.card-stat h5 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-stat h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a202c;
    margin: 0;
}

.card-stat .icon-box {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.icon-box.primary { background: #eff6ff; color: var(--primary-color); }
.icon-box.success { background: #ecfdf5; color: var(--success-color); }
.icon-box.info { background: #ecfeff; color: var(--info-color); }
.icon-box.warning { background: #fffbeb; color: var(--warning-color); }
.icon-box.danger { background: #fef2f2; color: var(--danger-color); }

/* Tables */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8fafc;
    color: var(--secondary-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-top: none;
    padding: 16px;
}

.table tbody td {
    padding: 16px;
    vertical-align: middle;
    color: #4a5568;
    border-bottom: 1px solid #edf2f7;
}

/* Badge Styling */
.badge {
    padding: 0.5em 1em;
    border-radius: 8px;
    font-weight: 500;
}

.bg-success { background-color: #dcfce7 !important; color: #166534 !important; }
.bg-danger { background-color: #fee2e2 !important; color: #991b1b !important; }

/* Dashboard Header */
.h3 {
    font-weight: 700;
    color: #1a202c;
    letter-spacing: -0.5px;
}

/* Sidebar Toggle Desktop State */
.sidebar.active {
    margin-left: calc(var(--sidebar-width) * -1);
}

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

.topbar.active {
    left: 15px;
}

/* Auth Pages Refinement */
.auth-bg {
    background: radial-gradient(circle at top right, #4361ee 0%, #4cc9f0 100%);
}

.auth-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    z-index: 998;
    transition: opacity 0.3s;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }

    .sidebar.active {
        margin-left: 0;
        box-shadow: 20px 0 25px -5px rgba(0, 0, 0, 0.1);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content {
        margin-left: 0;
        padding-top: 90px;
    }

    .topbar {
        left: 10px;
        right: 10px;
        width: calc(100% - 20px);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }

    .main-content.active, .topbar.active {
        margin-left: 0;
    }

    .topbar.active {
        left: 10px;
    }
}