:root {
    /* Futuristic Color Palette */
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.1);
    --secondary: #a855f7;
    --accent: #00d2ff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* Dark Mode Theme */
    --bg-main: #0f172a;
    --bg-sidebar: rgba(15, 23, 42, 0.9);
    --bg-card: rgba(30, 41, 59, 0.8);
    --border: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.05);

    /* Text Colors */
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-glow: #e2e8f0;

    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --transition: all 0.2s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg-main);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbar Modernization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* Glassmorphism Sidebar */
nav {
    width: 280px;
    height: 100vh;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    position: fixed;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-links {
    list-style: none;
    flex: 1;
}

.nav-links li {
    margin-bottom: 0.75rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.nav-links a i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--glass-bg);
    color: var(--text-main);
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-links a.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), transparent);
    border-left: 3px solid var(--primary);
    color: var(--primary);
}

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

/* Main Content Wrapper */
main {
    flex: 1;
    margin-left: 280px;
    padding: 2.5rem;
    max-width: calc(100% - 280px);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-main);
}

/* Card Styling */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

/* Modern Stats Bar */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--glass-bg);
    border: 1px solid var(--border);
}

.stat-info h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-info p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    border: 1px solid transparent;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

/* Form Elements */
input,
select {
    background: rgba(15, 23, 42, 0.8) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-main) !important;
    transition: var(--transition) !important;
    padding: 0.625rem 1rem !important;
    border-radius: 12px !important;
}

select[multiple] {
    height: auto !important;
    min-height: 45px !important;
    padding: 5px !important;
}

select[multiple] option {
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 2px;
}

input:focus,
select:focus {
    border-color: var(--primary) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

/* Table Design */
.table-container {
    overflow-x: auto;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}

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

th {
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-main);
    font-size: 0.95rem;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Modal Enhancements */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #1e293b;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 600px;
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

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

/* Filter Bar Specifics */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-end;
    margin-bottom: 2rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}