/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* GWC Brand Colors */
    --gwc-orange: #f19f05;
    --gwc-blue: #07305a;
    --gwc-light-blue: #0a4a7a;
    --gwc-dark-blue: #051f3a;
    
    /* Additional Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--gwc-blue) 0%, var(--gwc-light-blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--gwc-orange) 0%, #ffb347 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(7, 48, 90, 0.9) 0%, rgba(10, 74, 122, 0.8) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Shapes */
.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(241, 159, 5, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: -150px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: -100px;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Container */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    text-align: center;
    position: relative;
    z-index: 2;
}

.logo {
    margin-bottom: var(--spacing-2xl);
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    height: 136px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.logo img {
    width: 80%;
    height: auto;
    max-width: 80%;
    transition: transform 0.3s ease;
    border-radius: 8px;
}

.logo img:hover {
    transform: scale(1.05);
}

/* Login Section */
.login-section {
    margin-bottom: var(--spacing-lg);
}

.login-trigger {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--gradient-secondary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.login-trigger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #ffb347 0%, var(--gwc-orange) 100%);
}

.login-trigger:active {
    transform: translateY(0);
}

.login-trigger i {
    font-size: var(--font-size-xl);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn var(--transition-normal);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: slideIn var(--transition-normal);
    overflow: hidden;
}

.close {
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    color: var(--gray);
    font-size: var(--font-size-2xl);
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    transition: color var(--transition-fast);
}

.close:hover {
    color: var(--gwc-orange);
}

.login-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    position: relative;
}

.login-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.login-form {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gwc-blue);
    font-size: var(--font-size-sm);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-3xl);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background-color: var(--light-gray);
}

.form-group input:focus {
    outline: none;
    border-color: var(--gwc-orange);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(241, 159, 5, 0.1);
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: var(--font-size-base);
    margin-top: 12px;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-top: 12px;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--gwc-orange);
}

.login-btn {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.login-footer {
    text-align: center;
}

.forgot-password {
    color: var(--gwc-orange);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.forgot-password:hover {
    color: var(--gwc-blue);
    text-decoration: underline;
}

/* Links Container */
.links-container {
    margin-bottom: var(--spacing-2xl);
}

.link-category {
    margin-bottom: var(--spacing-2xl);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-title i {
    font-size: var(--font-size-xl);
    color: var(--gwc-orange);
}

.links-grid {
    display: grid;
    gap: var(--spacing-md);
}

.link-card {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(241, 159, 5, 0.1), transparent);
    transition: left var(--transition-slow);
}

.link-card:hover::before {
    left: 100%;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 1);
}

.link-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-lg);
    font-size: var(--font-size-xl);
    color: var(--white);
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.link-card:hover .link-icon {
    transform: scale(1.1);
}

.academic .link-icon {
    background: var(--gradient-primary);
}

.student .link-icon {
    background: var(--gradient-secondary);
}

.resources .link-icon {
    background: linear-gradient(135deg, var(--success) 0%, #20c997 100%);
}

.contact .link-icon {
    background: linear-gradient(135deg, var(--gwc-orange) 0%, var(--warning) 100%);
}

.link-content {
    flex: 1;
}

.link-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gwc-blue);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.link-content p {
    font-size: var(--font-size-sm);
    color: var(--gray);
    line-height: 1.4;
}

.link-arrow {
    color: var(--gwc-orange);
    font-size: var(--font-size-base);
    transition: transform var(--transition-normal);
    margin-left: var(--spacing-md);
}

.link-card:hover .link-arrow {
    transform: translateX(4px);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content p {
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.footer-address {
    font-style: italic;
    margin-bottom: var(--spacing-lg) !important;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: var(--font-size-base);
}

.social-link:hover {
    transform: translateY(-2px) scale(1.1);
    background: var(--gradient-secondary);
    box-shadow: var(--shadow-lg);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }
    
    .header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .title {
        font-size: var(--font-size-xl);
    }
    
    .subtitle {
        font-size: var(--font-size-sm);
    }
    

    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .login-form {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .link-card {
        padding: var(--spacing-md);
    }
    
    .link-icon {
        width: 40px;
        height: 40px;
        margin-right: var(--spacing-md);
        font-size: var(--font-size-lg);
    }
    
    .link-content h4 {
        font-size: var(--font-size-sm);
    }
    
    .link-content p {
        font-size: var(--font-size-xs);
    }
    
    .category-title {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .social-links {
        gap: var(--spacing-md);
    }
    
    .social-link {
        width: 35px;
        height: 35px;
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-md);
    }
    
    .title {
        font-size: var(--font-size-lg);
    }
    
    .login-trigger {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    .link-card {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .link-icon {
        width: 35px;
        height: 35px;
        margin-right: var(--spacing-sm);
        font-size: var(--font-size-base);
    }
    
    .shape-1, .shape-2, .shape-3 {
        display: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .link-card {
        border: 2px solid var(--gwc-blue);
    }
    
    .login-trigger {
        border: 2px solid var(--white);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .shape {
        animation: none;
    }
}

/* Print styles */
@media print {
    .background-shapes,
    .login-section,
    .social-links {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .link-card {
        background: white;
        border: 1px solid black;
        box-shadow: none;
    }
}