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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.main-container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

header {
    text-align: center;
    border-bottom: 3px solid #1F4E78;
    padding-bottom: 30px;
    margin-bottom: 40px;
}

header h1 {
    color: #1F4E78;
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-style: italic;
    font-size: 16px;
    margin-bottom: 10px;
}

.last-update {
    color: #999;
    font-size: 13px;
}

h2 {
    color: #2E5C8A;
    font-size: 22px;
    margin-top: 35px;
    margin-bottom: 15px;
    border-left: 4px solid #2E5C8A;
    padding-left: 15px;
}

h3 {
    color: #3D6FA8;
    font-size: 18px;
    margin-top: 25px;
    margin-bottom: 12px;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul {
    margin: 15px 0 15px 30px;
}

li {
    margin-bottom: 8px;
    line-height: 1.6;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
}

th {
    background-color: #D5E8F0;
    color: #1F4E78;
    padding: 12px;
    text-align: left;
    font-weight: bold;
    border: 1px solid #CCCCCC;
}

td {
    padding: 12px;
    border: 1px solid #CCCCCC;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

.important {
    background-color: #FFF3CD;
    border-left: 4px solid #FF9800;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.contact-info {
    background-color: #E8F4F8;
    padding: 20px;
    border-radius: 4px;
    margin: 25px 0;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info strong {
    color: #1F4E78;
}

footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 2px solid #1F4E78;
    text-align: center;
    color: #666;
    font-size: 13px;
}

.toc {
    background-color: #f0f8ff;
    padding: 20px;
    border-radius: 4px;
    margin: 25px 0;
}

.toc h3 {
    margin-top: 0;
    color: #1F4E78;
}

.toc ul {
    list-style: none;
    margin: 10px 0 0 0;
}

.toc li {
    margin: 8px 0;
}

.toc a {
    color: #2E5C8A;
    text-decoration: none;
    font-weight: 500;
}

.toc a:hover {
    text-decoration: underline;
    color: #1F4E78;
}

.back-to-top {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 15px;
    background-color: #1F4E78;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 13px;
}

.back-to-top:hover {
    background-color: #2E5C8A;
}

.version {
    background-color: #E3F2FD;
    padding: 10px;
    text-align: center;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 13px;
    color: #1565C0;
}

.alert-warning {
    background-color: #FFF3CD;
    border: 2px solid #FF9800;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    gap: 15px;
}

.alert-warning svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: #FF9800;
}

.alert-warning p {
    margin: 0;
    color: #333;
    font-weight: 500;
}

.step-container {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    border-left: 5px solid #667eea;
}

.step-number {
    display: inline-block;
    background-color: #667eea;
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    text-align: center;
    line-height: 35px;
    font-weight: bold;
    margin-right: 12px;
    font-size: 16px;
}

.step-title {
    font-weight: bold;
    color: #1F4E78;
    font-size: 16px;
    display: inline-block;
}

.step-description {
    margin: 10px 0 0 47px;
    color: #666;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
}

.data-table thead {
    background-color: #E8F4F8;
}

.data-table th {
    padding: 15px;
    text-align: left;
    font-weight: bold;
    color: #1F4E78;
    border: 1px solid #D5E8F0;
}

.data-table td {
    padding: 12px 15px;
    border: 1px solid #E8F4F8;
}

.data-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.status-deleted {
    color: #28a745;
    font-weight: bold;
}

.status-retained {
    color: #dc3545;
    font-weight: bold;
}

.button-container {
    display: flex;
    gap: 15px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #1F4E78;
    border: 2px solid #1F4E78;
}

.btn-secondary:hover {
    background-color: #1F4E78;
    color: white;
}

.form-container {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    margin: 25px 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #1F4E78;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #D5E8F0;
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.checkbox-group {
    margin: 15px 0;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    margin: 10px 0;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
    cursor: pointer;
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    display: flex;
    margin-bottom: 25px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 30px;
    width: 2px;
    height: 60px;
    background-color: #D5E8F0;
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background-color: #667eea;
    border-radius: 50%;
    margin-right: 20px;
    margin-top: 5px;
    flex-shrink: 0;
    border: 3px solid white;
    box-shadow: 0 0 0 2px #667eea;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    color: #1F4E78;
    font-weight: bold;
    margin-bottom: 5px;
}

.timeline-content p {
    margin: 0;
    color: #666;
}

.info-box {
    background-color: #E8F4F8;
    border-left: 5px solid #2E5C8A;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
}

.info-box strong {
    color: #1F4E78;
}

.contact-section {
    background: linear-gradient(135deg, #E8F4F8 0%, #f0f8ff 100%);
    border-radius: 8px;
    padding: 25px;
    margin: 25px 0;
    text-align: center;
}

.contact-section h3 {
    margin-top: 0;
}

.contact-info-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.contact-item {
    flex: 1;
    min-width: 200px;
}

.contact-item strong {
    display: block;
    color: #1F4E78;
    margin-bottom: 5px;
}

.contact-item a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.success-message {
    display: none;
    background-color: #d4edda;
    border: 2px solid #28a745;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    color: #155724;
}

.error-message {
    display: none;
    background-color: #f8d7da;
    border: 2px solid #f5c6cb;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    color: #721c24;
}

.faq-section {
    margin: 30px 0;
}

.faq-item {
    background-color: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    background-color: #E8F4F8;
    padding: 15px;
    cursor: pointer;
    font-weight: bold;
    color: #1F4E78;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background-color: #D5E8F0;
}

.faq-toggle {
    display: inline-block;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 15px;
    color: #666;
}

.faq-item.active .faq-answer {
    display: block;
}

.app-name {
    color: #667eea;
    font-weight: bold;
}

.developer-name {
    color: #667eea;
    font-weight: bold;
}

@media (max-width: 768px) {
    .container, .main-container {
        border-radius: 0;
    }

    .container {
        padding: 20px;
    }

    header {
        padding: 30px 20px;
    }

    header h1, h1 {
        font-size: 22px;
    }

    h2 {
        font-size: 18px;
    }

    h3 {
        font-size: 16px;
    }

    table, .data-table {
        font-size: 13px;
    }

    th, td, .data-table th, .data-table td {
        padding: 8px;
    }

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

    .btn {
        width: 100%;
    }

    .contact-info-grid {
        flex-direction: column;
        gap: 15px;
    }
}

.content {
    padding: 40px 30px;
}
