* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 30px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eaeaea;
}

header h1 {
    color: #2c3e50;
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

header .subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;
    gap: 15px;
}

.nav-btn, .submit-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-btn {
    background-color: #ecf0f1;
    color: #2c3e50;
    text-decoration: none;
    width: auto;
}

.nav-btn:hover {
    background-color: #d5dbdb;
}

.submit-btn {
    background-color: #2ecc71;
    color: white;
    flex: 1;
}

.submit-btn:hover {
    background-color: #27ae60;
}

.submit-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.view-link {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;
}

.view-link a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 10px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.view-link a:hover {
    background-color: #ebf5fb;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 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: 1000;
    animation: fadeIn 0.3s;
}

.modal-content {
    position: relative;
    background-color: white;
    margin: 10% auto;
    padding: 0;
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eaeaea;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #2c3e50;
}

.close-modal {
    font-size: 24px;
    cursor: pointer;
    color: #7f8c8d;
}

.close-modal:hover {
    color: #e74c3c;
}

.modal-body {
    padding: 30px 20px;
}

.modal-body i {
    font-size: 3rem;
    margin-bottom: 20px;
}

.success-icon {
    color: #2ecc71;
}

.error-icon {
    color: #e74c3c;
}

#modalMessage {
    font-size: 1.1rem;
    line-height: 1.6;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #eaeaea;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.modal-btn {
    background-color: #3498db;
    color: white;
}

.modal-btn:hover {
    background-color: #2980b9;
}

.view-btn {
    background-color: #2ecc71;
}

.view-btn:hover {
    background-color: #27ae60;
}

.required {
    color: #e74c3c;
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-btn, .submit-btn {
        width: 100%;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-btn {
        width: 100%;
    }
    
    header h1 {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 10px;
    }
}