/* ============================================
   Student Portal Redesign CSS
   Modern, Clean, Professional Design
   ============================================ */

/* Root Variables */
:root {
    --primary-color: #155e75;
    --primary-dark: #0e4f5f;
    --primary-light: #155e75;
    --secondary-color: #0891b2;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --visitor-gradient: linear-gradient(135deg, #155e75 0%, #0e7490 100%);
    --student-gradient: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --dark-text: #2c3e50;
    --light-text: #7f8c8d;
    --border-color: #e1e8ed;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.student-portal {
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.student-portal li {
    list-style: none;
}

/* Global Styles */
.student-portal-redesign {
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
    min-height: 100vh;
    padding-bottom: 4rem;
    /* Adjust top spacing to tuck under site header */
    margin-top: -15px;
}

.student-portal-redesign a,
.student-portal-redesign a:hover,
.student-portal-redesign a:focus {
    text-decoration: none !important;
    color: var(--primary-color);
}

/* Hero Section */
.portal-hero {
    background: linear-gradient(135deg, #155e75 0%, #0e7490 100%);
    padding: 4rem 0 6rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 2.8rem;
}

.portal-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-icon {
    display: inline-block;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

.hero-icon i {
    font-size: 2.5rem;
    color: white;
}

.hero-title {
    color: white;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-decoration {
    width: 60px;
    height: 4px;
    background: white;
    margin: 2rem auto 0;
    border-radius: 2px;
    animation: expand 0.8s ease 0.4s both;
}

/* Container */
.portal-container {
    position: relative;
    z-index: 10;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: 3rem;
}

.welcome-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.welcome-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-block;
    animation: bounce 2s ease infinite;
}

.welcome-card h2 {
    color: var(--dark-text);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.welcome-card p {
    color: var(--light-text);
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* Portal Options */
.portal-options {
    margin-top: 100px;
    margin-bottom: 3rem;
}

/* Portal Card Link Wrapper */
.portal-card-link {
    display: block;
    color: inherit;
    text-decoration: none !important;
    border-radius: 20px;
    transition: transform var(--transition-normal);
}

.portal-card-link:hover,
.portal-card-link:focus-visible {
    transform: translateY(-8px);
}

.portal-card-link:focus,
.portal-card-link:focus-visible {
    text-decoration: none !important;
    outline: 3px solid rgba(21, 94, 117, 0.35);
    outline-offset: 6px;
}

/* Portal Cards */
.portal-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: border-color var(--transition-normal), background var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.portal-card-link:hover .portal-card::before,
.portal-card-link:focus-visible .portal-card::before {
    transform: translateX(100%);
}

.portal-card-link:hover .portal-card,
.portal-card-link:focus-visible .portal-card {
    border-color: var(--border-color);
    background: #f8fbff;
}

.portal-card.card-clicked {
    transform: scale(0.98);
}

/* Card Icon */
.card-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform var(--transition-normal);
}

.portal-card-link:hover .card-icon-wrapper,
.portal-card-link:focus-visible .card-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.visitor-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.student-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.card-icon-wrapper i {
    font-size: 2rem;
    color: white;
}

/* Card Content */
.card-content {
    flex: 1;
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    font-size: 0.95rem;
    color: var(--light-text);
    margin-bottom: 1rem;
    font-weight: 500;
}

.card-description {
    color: #5a6c7d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Card Features */
.card-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.card-features li {
    padding: 0.6rem 0;
    color: #5a6c7d;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.card-features i {
    color: var(--success-color);
    margin-right: 0.75rem;
    font-size: 1rem;
}

/* Card Action */
.card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.action-text {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.05rem;
}

.portal-action-icon {
    font-size: 1.2rem;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.portal-card-link:hover .portal-action-icon,
.portal-card-link:focus-visible .portal-action-icon {
    transform: translateX(5px);
}

/* Card Badge */
.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.15;
    transition: opacity var(--transition-normal);
}

.portal-card-link:hover .card-badge,
.portal-card-link:focus-visible .card-badge {
    opacity: 0.25;
}

.visitor-badge {
    background: var(--visitor-gradient);
}

.student-badge {
    background: var(--student-gradient);
}

.card-badge i {
    font-size: 1.5rem;
    color: white;
}

/* Info Section */
.info-section {
    margin-bottom: 3rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    height: 100%;
    cursor: default;
}

.info-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.75rem;
}

.info-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Quick Links Section */
.quick-links-section {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 1.5rem;
    text-align: center;
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    border-radius: 12px;
    background: #f8f9fa;
    color: var(--dark-text);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.quick-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.quick-link:hover i,
.quick-link:hover span {
    color: white;
}

.quick-link i {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.quick-link span {
    font-weight: 500;
    font-size: 0.95rem;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes expand {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    width: 0;
    height: 0;
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        width: 300px;
        height: 300px;
        opacity: 0;
        margin-left: -150px;
        margin-top: -150px;
    }
}

/* Particles (Optional) */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: particle-float linear infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .portal-card {
        padding: 2rem;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .welcome-card {
        padding: 2rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
    
    .quick-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    /* Reduce top spacing on small screens */
    .portal-options {
        margin-top: 60px;
    }
    .portal-hero {
        padding: 3rem 0 5rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-icon {
        width: 60px;
        height: 60px;
    }
    
    .hero-icon i {
        font-size: 2rem;
    }
    
    .portal-card {
        padding: 1.5rem;
    }
    
    .card-icon-wrapper {
        width: 60px;
        height: 60px;
    }
    
    .card-icon-wrapper i {
        font-size: 1.75rem;
    }
    
    .quick-links-section {
        padding: 2rem;
    }
    /* Tighter top offset on small screens */
    .student-portal-redesign {
        margin-top: -40px;
    }
    /* Ensure vertical gap for info cards on small screens */
    .info-section .row.g-4 > [class*="col-"] {
        margin-bottom: 1rem;
    }
    .info-section .row.g-4 > [class*="col-"]:last-child {
        margin-bottom: 0;
    }
}

/* Print Styles */
@media print {
    .portal-hero {
        background: white;
        padding: 2rem 0;
    }
    
    .portal-card,
    .info-card,
    .welcome-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibility */
.quick-link:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-text: #ecf0f1;
        --light-text: #bdc3c7;
        --border-color: #34495e;
    }
    
    .student-portal-redesign {
        background: #1a1a1a;
    }
    
    .portal-card,
    .info-card,
    .welcome-card,
    .quick-links-section {
        background: #2c3e50;
        border-color: #34495e;
    }
    
    .quick-link {
        background: #34495e;
    }
}