:root {
    /* Color Palette - Dark Theme */
    --bg-base: #0a0a0f;
    --bg-surface: rgba(20, 20, 28, 0.6);
    --bg-surface-hover: rgba(30, 30, 42, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Brand Gradients & Accents */
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-tertiary: #ec4899;
    --gradient-brand: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(168, 85, 247, 0.5));

    /* Semantic Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);

    /* Borders & Shadows */
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-strong: rgba(255, 255, 255, 0.15);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5), 0 4px 10px -2px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

/* Background Animations */
.bg-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    animation-delay: -5s;
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    animation-direction: alternate-reverse;
}

.orb-3 {
    top: 40%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    animation-delay: -10s;
    opacity: 0.2;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(5%, 5%) scale(1.05);
    }

    66% {
        transform: translate(-5%, 10%) scale(0.95);
    }

    100% {
        transform: translate(0, 0) scale(1);
    }
}

/* Base Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Utilities */
.glass-effect {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
}

.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    z-index: 100;
    border-bottom: 1px solid var(--border-glass);
}

.nav-container {
    max-width: 1400px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn i {
    font-size: 1.1em;
}

.btn-primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 4px 15px -3px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(99, 102, 241, 0.6);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass-strong);
}

.btn-outline:hover {
    background: var(--bg-glass);
    border-color: var(--accent-primary);
}

.btn-recruiter {
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    box-shadow: 0 4px 15px -3px rgba(168, 85, 247, 0.4);
}

.btn-recruiter:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(168, 85, 247, 0.6);
}

.btn-student {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: white;
    box-shadow: 0 4px 15px -3px rgba(99, 102, 241, 0.4);
}

.btn-student:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(99, 102, 241, 0.6);
}

/* Main Content */
#app-root {
    padding-top: 100px;
    padding-bottom: 4rem;
    min-height: calc(100vh - 72px);
    animation: fadeIn var(--transition-normal);
}

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

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

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* Dashboard Layout */
.dashboard-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    min-height: calc(100vh - 120px);
}

.sidebar {
    position: sticky;
    top: 90px;
    height: calc(100vh - 120px);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-fast);
    font-weight: 500;
}

.sidebar-menu li a:hover,
.sidebar-menu li.active a {
    background: var(--bg-glass);
    color: var(--accent-primary);
}

.sidebar-menu li.active a {
    box-shadow: inset 3px 0 0 var(--accent-primary);
}

.dashboard-content {
    display: flex;
    flex-direction: column;
    padding-bottom: 2rem;
}

/* Data Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
}

.stat-title {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-heading);
    line-height: 1.1;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1.25rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
}

.data-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-glass);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}