/* Platform growth public visual polish - production pass 2026-07-08 */
:root {
    --pg-bg: #f8fcfd;
    --pg-surface: #ffffff;
    --pg-surface-soft: #f1f8fa;
    --pg-border: #d9e9ee;
    --pg-text: #1f3440;
    --pg-muted: #637782;
    --pg-primary: #4f8fab;
    --pg-primary-strong: #3f7f9a;
    --pg-primary-soft: #eaf5f9;
    --pg-success: #4f9d76;
    --pg-success-soft: #edf8f1;
    --pg-warning: #b8873f;
    --pg-warning-soft: #fbf4e5;
    --pg-danger: #be6a6a;
    --pg-danger-soft: #fbefef;
    --pg-lavender-soft: #f2effb;
    --pg-shadow: 0 12px 30px rgba(31, 52, 64, 0.08);
}

.ac-shell,
.lh-shell,
.page-wrapper.page-content {
    background:
        linear-gradient(180deg, rgba(248, 252, 253, 0.96), rgba(244, 250, 251, 0.98)),
        var(--pg-bg);
    color: var(--pg-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ac-shell *,
.lh-shell *,
.page-wrapper.page-content * {
    letter-spacing: 0;
}

.ac-title,
.ac-toolbar-title,
.ac-course-title,
.ac-section-title,
.ac-card-title,
.ac-question-title,
.lh-title,
.lh-card-title,
.page-wrapper.page-content h1,
.page-wrapper.page-content h2,
.page-wrapper.page-content h3,
.page-wrapper.page-content h4,
.page-wrapper.page-content h5,
.page-wrapper.page-content h6 {
    color: var(--pg-text);
}

.ac-subtitle,
.ac-course-description,
.ac-card-desc,
.ac-muted,
.ac-card-meta-item,
.ac-lesson-meta,
.lh-subtitle,
.lh-card-summary,
.lh-muted,
.page-wrapper.page-content .text-muted,
.page-wrapper.page-content .text-secondary,
.page-wrapper.page-content p {
    color: var(--pg-muted) !important;
}

.ac-hero,
.lh-hero,
.ac-toolbar,
.lh-toolbar,
.ac-card,
.lh-card,
.ac-course-header,
.ac-enroll-box,
.ac-info-box,
.ac-empty,
.ac-lesson-item,
.ac-choice,
.page-wrapper.page-content .card,
.page-wrapper.page-content .list-group-item,
.page-wrapper.page-content .table-responsive {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--pg-border);
    border-radius: 8px;
    box-shadow: var(--pg-shadow);
}

.ac-card:hover,
.lh-card:hover,
.ac-lesson-item:hover {
    box-shadow: 0 16px 34px rgba(31, 52, 64, 0.11);
    transform: translateY(-1px);
}

.ac-stat-box,
.lh-stat-box {
    background: var(--pg-surface);
    border: 1px solid var(--pg-border);
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(31, 52, 64, 0.06);
}

.ac-stat-value,
.lh-stat-value,
.page-wrapper.page-content .fs-4,
.page-wrapper.page-content .fw-bold {
    color: var(--pg-text);
}

.ac-kicker,
.lh-kicker,
.ac-toolbar-title-icon,
.ac-rating-star,
.lh-guide-preview-icon,
.page-wrapper.page-content a:not(.btn) {
    color: var(--pg-primary);
}

.ac-primary-btn,
.ac-shell .btn-primary,
.lh-shell .btn-primary,
.page-wrapper.page-content .btn-primary,
.ac-filter-btn.active,
.lh-filter-btn.active {
    background: var(--pg-primary);
    border-color: var(--pg-primary);
    color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 8px 18px rgba(79, 143, 171, 0.22);
}

.ac-primary-btn:hover,
.ac-shell .btn-primary:hover,
.lh-shell .btn-primary:hover,
.page-wrapper.page-content .btn-primary:hover,
.ac-filter-btn.active:hover,
.lh-filter-btn.active:hover {
    background: var(--pg-primary-strong);
    border-color: var(--pg-primary-strong);
    color: #ffffff;
}

.ac-shell .btn-outline-primary,
.lh-shell .btn-outline-primary,
.page-wrapper.page-content .btn-outline-primary,
.ac-shell .btn-outline-secondary,
.lh-shell .btn-outline-secondary,
.page-wrapper.page-content .btn-outline-secondary,
.ac-filter-btn,
.lh-filter-btn,
.ac-toolbar-btn,
.ac-section-link {
    background: rgba(255, 255, 255, 0.92);
    border-color: var(--pg-border);
    color: var(--pg-primary-strong);
    border-radius: 8px;
    font-weight: 650;
}

.ac-shell .btn-outline-primary:hover,
.lh-shell .btn-outline-primary:hover,
.page-wrapper.page-content .btn-outline-primary:hover,
.ac-shell .btn-outline-secondary:hover,
.lh-shell .btn-outline-secondary:hover,
.page-wrapper.page-content .btn-outline-secondary:hover,
.ac-filter-btn:hover,
.lh-filter-btn:hover {
    background: var(--pg-primary-soft);
    border-color: #bddde7;
    color: var(--pg-primary-strong);
}

.ac-shell .badge,
.lh-shell .badge,
.page-wrapper.page-content .badge {
    border-radius: 6px;
    font-weight: 650;
}

.ac-badge-video,
.ac-badge-text,
.ac-badge-interactive,
.ac-badge-quiz,
.ac-badge-points,
.ac-badge-time,
.ac-progress-badge,
.lh-badge-soft,
.lh-inline-badge,
.lh-status-new,
.lh-status-dismissed,
.page-wrapper.page-content .badge.bg-primary,
.page-wrapper.page-content .badge.bg-info,
.page-wrapper.page-content .badge.bg-info-subtle {
    background: var(--pg-primary-soft) !important;
    border: 1px solid #cfe7ef !important;
    color: var(--pg-primary-strong) !important;
}

.ac-badge-beginner,
.ac-badge-easy,
.ac-badge-required,
.lh-level,
.lh-status-progress,
.page-wrapper.page-content .badge.bg-warning,
.page-wrapper.page-content .badge.bg-warning-subtle {
    background: var(--pg-warning-soft) !important;
    border: 1px solid #efd9ad !important;
    color: #7a5b26 !important;
}

.ac-badge-intermediate,
.ac-status-active,
.lh-status-completed,
.lh-inline-badge-success,
.lh-recommended,
.page-wrapper.page-content .badge.bg-success,
.page-wrapper.page-content .badge.bg-success-subtle,
.page-wrapper.page-content .alert-success {
    background: var(--pg-success-soft) !important;
    border: 1px solid #c8e8d3 !important;
    color: #326a4d !important;
}

.ac-badge-advanced,
.ac-badge-expert,
.page-wrapper.page-content .badge.bg-danger,
.page-wrapper.page-content .badge.bg-danger-subtle,
.page-wrapper.page-content .alert-danger {
    background: var(--pg-danger-soft) !important;
    border: 1px solid #edc8c8 !important;
    color: #884647 !important;
}

.page-wrapper.page-content .badge.bg-secondary,
.page-wrapper.page-content .badge.bg-light,
.page-wrapper.page-content .alert-secondary {
    background: #f4f7f8 !important;
    border: 1px solid var(--pg-border) !important;
    color: var(--pg-text) !important;
}

.page-wrapper.page-content .alert-warning {
    background: var(--pg-warning-soft);
    border-color: #efd9ad;
    color: #7a5b26;
}

.ac-card-thumb-placeholder,
.ac-cover-frame,
.lh-video-frame,
.lh-guide-preview,
.lh-empty-icon,
.ac-empty-icon,
.ac-info-icon,
.ac-card-play-icon,
.ac-lesson-num,
.ac-lesson-video,
.ac-lesson-num.ac-lesson-video,
.ac-lesson-num--completed,
.ac-lesson-num--quiz {
    background: var(--pg-primary-soft);
    border-color: #cfe7ef;
    color: var(--pg-primary-strong);
}

.lh-guide-preview-icon i,
.ac-card-play-icon i,
.ac-lesson-num.ac-lesson-video i {
    color: var(--pg-primary-strong);
}

.ac-info-box--guide,
.lh-guide-preview {
    background: #f6fbfc;
}

.ac-info-icon--guide,
.lh-guide-preview-icon {
    background: var(--pg-lavender-soft);
    color: #6b5ca5;
}

.ac-progress-track,
.lh-progress-track,
.progress {
    background: #e8f2f5;
    border-radius: 999px;
}

.ac-progress-bar,
.lh-progress-bar,
.progress-bar {
    background: var(--pg-primary);
}

.ac-answer-input,
.lh-search,
.page-wrapper.page-content .form-control,
.page-wrapper.page-content .form-select {
    background: #ffffff;
    border: 1px solid var(--pg-border);
    border-radius: 8px;
    color: var(--pg-text);
}

.ac-answer-input:focus,
.lh-search:focus,
.page-wrapper.page-content .form-control:focus,
.page-wrapper.page-content .form-select:focus {
    border-color: #a8d0dc;
    box-shadow: 0 0 0 0.2rem rgba(79, 143, 171, 0.16);
}

.ac-choice:hover,
.ac-choice:focus-within {
    border-color: #bddde7;
    background: #f6fbfc;
}

.ac-choice-input:checked {
    background-color: var(--pg-primary);
    border-color: var(--pg-primary);
}

.page-wrapper.page-content .table {
    color: var(--pg-text);
}

.page-wrapper.page-content .table > :not(caption) > * > * {
    border-bottom-color: var(--pg-border);
}

.page-wrapper.page-content .table-light,
.page-wrapper.page-content .table thead {
    --bs-table-bg: var(--pg-surface-soft);
    --bs-table-color: var(--pg-text);
}

.page-wrapper.page-content .table-primary {
    --bs-table-bg: var(--pg-primary-soft);
    --bs-table-color: var(--pg-text);
    border-color: #cfe7ef;
}

.page-wrapper.page-content .shadow-sm {
    box-shadow: var(--pg-shadow) !important;
}

.page-wrapper.page-content .border-0 {
    border: 1px solid var(--pg-border) !important;
}

.page-wrapper.page-content .rounded,
.page-wrapper.page-content .rounded-3 {
    border-radius: 8px !important;
}

body.cs-page .cs-wrap {
    background:
        linear-gradient(180deg, rgba(248, 252, 253, 0.98), rgba(243, 249, 251, 0.98)),
        var(--pg-bg);
}

body.cs-page .cs-card {
    max-width: 520px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--pg-border);
    border-radius: 8px;
    box-shadow: var(--pg-shadow);
}

body.cs-page .cs-crane {
    width: 132px;
    height: 116px;
    opacity: 0.78;
}

body.cs-page .cs-crane svg {
    filter: none;
}

body.cs-page .cs-crane line,
body.cs-page .cs-crane rect,
body.cs-page .cs-crane circle,
body.cs-page .cs-crane polygon {
    stroke: #9ab5bf;
}

body.cs-page .cs-crane [fill="#334155"],
body.cs-page .cs-crane [fill="#475569"],
body.cs-page .cs-crane [fill="#64748b"] {
    fill: #86a7b3;
}

body.cs-page .cs-crane [stroke="#94a3b8"],
body.cs-page .cs-crane [stroke="#64748b"],
body.cs-page .cs-crane [stroke="#475569"] {
    stroke: #9ab5bf;
}

body.cs-page .cs-badge {
    background: var(--pg-primary-soft);
    color: var(--pg-primary-strong);
    border: 1px solid #cfe7ef;
    border-radius: 8px;
    letter-spacing: 0;
}

body.cs-page .cs-title {
    color: var(--pg-text);
}

body.cs-page .cs-desc {
    color: var(--pg-muted);
}

body.cs-page .cs-foot {
    color: #7a8f99;
}

@media (max-width: 767.98px) {
    .ac-hero,
    .lh-hero,
    .ac-toolbar,
    .lh-toolbar,
    .ac-course-header,
    .ac-enroll-box {
        padding: 1rem;
    }

    .ac-title,
    .lh-title,
    .ac-course-title {
        font-size: 1.55rem;
    }

    .page-wrapper.page-content .btn {
        white-space: normal;
    }
}