:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --success: #27ae60;
    --warning: #f39c12;
    --text: #333;
    --text-light: #7f8c8d;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.logo-container {
    margin-bottom: 1.5rem;
    animation: fadeIn 1s ease-in-out;
}

.logo {
    max-width: 150px;
    height: auto;
    border-radius: 8%;
    border: 4px solid white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

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

h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--secondary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.btn-accent {
    background-color: var(--accent);
}

.btn-accent:hover {
    background-color: #c0392b;
}

.btn-light {
    background-color: var(--light);
    color: var(--dark);
}

.btn-light:hover {
    background-color: #bdc3c7;
}

.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--primary);
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--secondary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.policy-box {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.policy-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.policy-box h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.policy-box p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.form-container {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--accent);
    color: var(--accent);
}

.department-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.department-card:hover {
    transform: translateY(-5px);
}

.department-header {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    padding: 1.5rem;
}

.department-header h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.department-body {
    padding: 1.5rem;
}

.class-list {
    list-style: none;
}

.class-item {
    padding: 1rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.class-item:last-child {
    border-bottom: none;
}

.file-actions {
    display: flex;
    gap: 10px;
}

.file-btn {
    padding: 6px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.preview-btn {
    background-color: var(--light);
    color: var(--dark);
}

.preview-btn:hover {
    background-color: #bdc3c7;
}

.download-btn {
    background-color: var(--success);
    color: white;
}

.download-btn:hover {
    background-color: #219653;
}

.general-forms {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 2rem;
}

.general-form-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    width: 300px;
    transition: transform 0.3s ease;
}

.general-form-card:hover {
    transform: translateY(-5px);
}

.general-form-body {
    padding: 1.5rem;
    text-align: center;
}

.general-form-body h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.upload-container {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin: 0 auto;
}

.upload-container h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-btn {
    border: 2px dashed #ddd;
    border-radius: 5px;
    padding: 2rem;
    text-align: center;
    background-color: #f9f9f9;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-input-btn:hover {
    border-color: var(--secondary);
    background-color: #f0f8ff;
}

.file-input-btn i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    display: block;
}

.select-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    background-color: white;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 1em;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.checkbox-group input {
    margin-right: 10px;
}

footer {
    background-color: var(--dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary);
}

.copyright {
    opacity: 0.8;
    font-size: 0.9rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow: auto;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    border-radius: 10px;
    width: 80%;
    max-width: 900px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--accent);
}

.pdf-viewer {
    width: 100%;
    height: 80vh;
    border: none;
    border-radius: 5px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .section {
        padding: 2rem 0;
    }

    h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .department-card, .general-form-card {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}