:root {
    --ju-primary: #1e3a8a;
    --ju-secondary: #3b82f6;
    --ju-accent: #fbbf24;
    --ju-success: #10b981;
    --ju-danger: #ef4444;
    --ju-warning: #f59e0b;
    --ju-light: #f8fafc;
    --ju-dark: #1e293b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--ju-light);
    color: var(--ju-dark);
}

.navbar-brand {
    font-weight: bold;
    color: var(--ju-primary) !important;
}

.btn-primary {
    background-color: var(--ju-primary);
    border-color: var(--ju-primary);
}

.btn-primary:hover {
    background-color: var(--ju-secondary);
    border-color: var(--ju-secondary);
}

.hero-section {
    background: linear-gradient(135deg, var(--ju-primary), var(--ju-secondary));
    color: white;
    padding: 80px 0;
    margin-bottom: 50px;
}

.portal-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.portal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.portal-icon {
    font-size: 4rem;
    color: var(--ju-primary);
    margin-bottom: 20px;
}

.announcement-card {
    border-left: 4px solid var(--ju-primary);
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.announcement-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar {
    background-color: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    min-height: calc(100vh - 56px);
}

.sidebar .nav-link {
    color: var(--ju-dark);
    padding: 12px 20px;
    border-radius: 0;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: var(--ju-primary);
    color: white;
}

.dashboard-card {
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
}

.grade-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.85rem;
}

.grade-A { background-color: var(--ju-success); color: white; }
.grade-B { background-color: var(--ju-warning); color: white; }
.grade-C { background-color: #f97316; color: white; }
.grade-D { background-color: var(--ju-danger); color: white; }
.grade-F { background-color: #6b7280; color: white; }

.footer {
    background-color: var(--ju-dark);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.social-icon {
    font-size: 1.5rem;
    margin: 0 10px;
    color: var(--ju-accent);
    transition: color 0.3s ease;
}

.social-icon:hover {
    color: white;
}

.captcha-container {
    background-color: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    margin: 15px 0;
}

.login-container {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--ju-primary), var(--ju-secondary));
    color: white;
    padding: 30px;
    text-align: center;
}

.login-body {
    padding: 30px;
}

.otp-container {
    background-color: #e8f4f8;
    border: 1px solid #b3d9e8;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
}

.results-table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.calendar-event {
    padding: 10px;
    margin: 5px 0;
    border-radius: 8px;
    border-left: 4px solid var(--ju-primary);
}

.calendar-event.completed {
    background-color: #dcfce7;
    border-left-color: var(--ju-success);
}

.calendar-event.upcoming {
    background-color: #fef3c7;
    border-left-color: var(--ju-warning);
}

.verification-result {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 40px;
    margin: 30px 0;
}

.verification-header {
    text-align: center;
    margin-bottom: 30px;
}

.verification-status.authentic {
    color: var(--ju-success);
    font-size: 1.5rem;
    font-weight: bold;
}

.verification-status.invalid {
    color: var(--ju-danger);
    font-size: 1.5rem;
    font-weight: bold;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 50px 0;
    }
    
    .portal-icon {
        font-size: 3rem;
    }
    
    .sidebar {
        min-height: auto;
    }
    
    .login-container {
        margin: 20px;
    }
}

.dispute-deadline {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
}

.dispute-available {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
}

.staff-role-card {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.staff-role-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.role-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.lecturer-card .role-icon { color: #3b82f6; }
.ar-card .role-icon { color: #10b981; }
.vc-card .role-icon { color: #f59e0b; }