:root {
    --bg-color: #f4f5f7;
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-body: #374151;
    --text-muted: #6b7280;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 20px -5px rgba(79, 70, 229, 0.12);
    --mark-bg: #fef08a;
    --mark-text: #111827;
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-body: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 20px -5px rgba(0, 0, 0, 0.5);
    --mark-bg: #eab308;
    --mark-text: #0f172a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-color);
    padding: 20px;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.1s ease-out;
}

.container {
    max-width: 800px;
    margin: 30px auto;
}

.container.narrow {
    max-width: 640px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 12px;
    flex-wrap: wrap;
}

.actions-right {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-left: auto;
}

.btn-ui {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.btn-ui:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.hero-header {
    text-align: center;
    margin-bottom: 32px;
}

.hero-badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.1);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.hero-header p {
    color: var(--text-muted);
    font-size: 15px;
}

.doc-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    padding: 20px 24px;
    border-radius: 14px;
    margin-bottom: 16px;
    text-decoration: none;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.doc-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.doc-link-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.doc-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.doc-title {
    font-weight: 600;
    font-size: 16px;
}

.doc-desc {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: normal;
    margin-top: 3px;
}

.doc-arrow {
    color: var(--text-muted);
    font-size: 18px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.doc-link:hover .doc-arrow {
    transform: translateX(4px);
    color: var(--accent);
}

.search-box {
    position: relative;
    margin-bottom: 20px;
}

.search-input {
    width: 100%;
    padding: 12px 16px;
    padding-right: 110px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    box-shadow: var(--shadow);
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--accent);
}

.search-count {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 36px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.card h1 {
    font-size: 24px;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.legal-text {
    text-align: justify;
    white-space: pre-line;
    line-height: 1.7;
    font-size: 15px;
    color: var(--text-body);
}

.section-heading {
    display: block;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 18px;
    margin-bottom: 4px;
    padding-left: 10px;
    border-left: 3px solid var(--accent);
}

.legal-link {
    color: var(--accent);
    text-decoration: underline;
    overflow-wrap: anywhere;
}

mark {
    background-color: var(--mark-bg);
    color: var(--mark-text);
    padding: 1px 4px;
    border-radius: 4px;
}

.site-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

.site-footer a {
    color: var(--accent);
    text-decoration: none;
}

.scroll-top-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

@media (max-width: 600px) {
    body { padding: 12px; }
    .card { padding: 20px; }
    .legal-text { text-align: left; }
}

@media print {
    .top-bar, .search-box, .progress-container, .scroll-top-btn, .site-footer {
        display: none !important;
    }
    body { background: #fff; color: #000; padding: 0; }
    .card { box-shadow: none; border: none; padding: 0; }
}