/* ===================================
   NDA Form System - Main Stylesheet
   =================================== */

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

:root {
    --primary-color: #1f4e79;
    --secondary-color: #3366aa;
    --accent-color: #ff6b6b;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-gray: #f5f5f5;
    --gray: #999;
    --dark-gray: #333;
    --border-color: #ddd;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /*background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
    background: linear-gradient(135deg, #82a425 0%, #7fa025 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 40px;
    max-width: 600px;
    width: 100%;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 20px;
}

.header h1 {
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 700;
}

.header .subtitle {
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
}

.header .date {
    color: #666;
    font-size: 13px;
    margin-top: 10px;
}

/* Form Group */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-gray);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group label .required {
    color: var(--danger-color);
    margin-left: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.1);
    background-color: #f9f9f9;
}

.form-group input::placeholder {
    color: #bbb;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-row .form-group {
    margin-bottom: 0;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-row .form-group {
        margin-bottom: 25px;
    }
}

/* Error Messages */
.form-group .error-message {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--danger-color);
    background-color: #fff5f5;
}

.form-group.error .error-message {
    display: block;
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: none;
    animation: slideIn 0.3s ease;
}

.alert.show {
    display: block;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Buttons */
.button-group {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    justify-content: center;
}

.button-group button,
.button-group a {
    flex: 1;
    padding: 12px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(31, 78, 121, 0.3);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-reset {
    background-color: #6c757d;
    color: white;
}

.btn-reset:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

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

.btn-download:hover {
    background-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-submit.loading {
    opacity: 0.8;
    pointer-events: none;
}

/* Success Modal */
.success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.success-modal.show {
    display: flex;
}

.success-modal-content {
    background: white;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: var(--success-color);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
}

.success-modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
}

.success-modal-content p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 14px;
}

/* Loading State */
.form-group.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }

    .header h1 {
        font-size: 24px;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group button,
    .button-group a {
        width: 100%;
    }
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .container {
        box-shadow: none;
        max-width: 100%;
    }

    .button-group,
    .alert {
        display: none;
    }
}