/* assets/css/style.css */

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --gray-color: #95a5a6;
    --border-color: #ddd;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}



body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}



.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.user-checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

#selectAll {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.btn-admin {
    background-color: var(--secondary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-admin:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 150px);
}

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

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-header p {
    color: var(--gray-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group input[pattern]:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--accent-color);
}

.error-message {
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-top: 0.3rem;
    display: block;
}

/* Buttons */
.btn-submit {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: #229954;
    transform: translateY(-2px);
}

.btn-submit:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
    transform: none;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

/* PDF Upload Modal */
.pdf-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 2px dashed var(--border-color);
    border-radius: 5px;
    transition: var(--transition);
}

.pdf-item:hover {
    border-color: var(--secondary-color);
}

.pdf-item label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.pdf-item input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: #f9f9f9;
}

.upload-btn-container {
    text-align: center;
    margin-top: 2rem;
}

.btn-upload {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-upload:hover:not(:disabled) {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-upload:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
}

/* Admin Modal */
.admin-modal {
    max-width: 400px;
}

.btn-admin-login {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-admin-login:hover {
    background-color: #1a252f;
}

/* Success Modal */
.success-modal {
    text-align: center;
    max-width: 400px;
}

.success-modal .modal-header {
    background-color: var(--success-color);
}

.btn-exit {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-exit:hover {
    background-color: #1a252f;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 3000;
    justify-content: center;
    align-items: center;
}

.loading-spinner.show {
    display: flex;
}

.spinner {
    text-align: center;
    color: white;
}

.spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.spinner p {
    font-size: 1.2rem;
}









/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 1rem;
    }
    
    .btn-submit,
    .btn-upload,
    .btn-admin-login {
        padding: 12px 20px;
        font-size: 1rem;
    }
}