/* about.css — Styles for about.html (About, Disclaimer, and Correction/Addition Hub) */

:root {
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --border-subtle: #e2e8f0;
    --border-focus: #3b82f6;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --primary: #1e293b;
    --primary-hover: #0f172a;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success-bg: #f0fdf4;
    --success-border: #bbf7d0;
    --success-text: #166534;
    --whatsapp-green: #25d366;
    --whatsapp-hover: #1eb956;
}

body.about-page {
    background-color: var(--bg-page);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    overflow-y: auto !important;
}

.about-wrap {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 16px 20px 48px;
    box-sizing: border-box;
    flex: 1;
}

/* Header */
.about-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 24px;
    gap: 12px;
}

.about-header__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.about-header__logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.about-header__title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
    line-height: 1.2;
}

.about-header__subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.about-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.15s ease;
}

.about-btn-nav:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

/* Tab Navigation */
.about-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--border-subtle);
    margin-bottom: 24px;
    overflow-x: auto;
    scrollbar-width: none;
}

.about-tabs::-webkit-scrollbar {
    display: none;
}

.about-tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.about-tab-btn:hover {
    color: var(--text-main);
}

.about-tab-btn.is-active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Tab Panel */
.about-tab-panel {
    display: none;
    animation: fadeIn 0.2s ease-in-out;
}

.about-tab-panel.is-active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Card Content Blocks */
.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.about-card h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 0;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-top: 18px;
    margin-bottom: 8px;
}

.about-card p {
    font-size: 14px;
    color: #334155;
    margin-bottom: 12px;
    line-height: 1.65;
}

.about-card ul, .about-card ol {
    margin: 0 0 14px 20px;
    padding: 0;
    font-size: 14px;
    color: #334155;
}

.about-card li {
    margin-bottom: 6px;
    line-height: 1.5;
}

.about-highlight-box {
    background: #eff6ff;
    border-left: 4px solid var(--accent);
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 14px 0;
    font-size: 13.5px;
    color: #1e3a8a;
}

.about-warning-box {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 14px 0;
    font-size: 13.5px;
    color: #78350f;
}

/* Form Styles */
.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

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

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}

.form-label .required {
    color: #dc2626;
    margin-left: 2px;
}

.form-label-hint {
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: normal;
    margin-left: 4px;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-main);
    background: #ffffff;
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea {
    resize: vertical;
    min-height: 90px;
}

/* Radio Cards for Request Type */
.request-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 4px;
}

.request-type-card {
    border: 1.5px solid var(--border-subtle);
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    background: #ffffff;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    transition: all 0.15s ease;
}

.request-type-card:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.request-type-card.is-selected {
    border-color: var(--accent);
    background: #eff6ff;
}

.request-type-card input[type="radio"] {
    margin-top: 3px;
}

.request-type-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    display: block;
}

.request-type-desc {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

/* Submission action buttons */
.feedback-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
}

.btn-submit-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: all 0.15s ease;
}

.btn-submit-action--primary {
    background: var(--accent);
    color: #ffffff;
}

.btn-submit-action--primary:hover {
    background: var(--accent-hover);
}

.btn-submit-action--whatsapp {
    background: var(--whatsapp-green);
    color: #ffffff;
}

.btn-submit-action--whatsapp:hover {
    background: var(--whatsapp-hover);
}

.btn-submit-action--secondary {
    background: #f1f5f9;
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
}

.btn-submit-action--secondary:hover {
    background: #e2e8f0;
}

/* Alert Notification */
.form-notification {
    display: none;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13.5px;
    margin-top: 12px;
}

.form-notification.is-visible {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-notification--success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
}

/* Footer */
.about-footer {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    font-size: 12.5px;
    color: var(--text-muted);
}