@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #0c0d0e;
    --bg-sidebar: #121315;
    --bg-card: #16181a;
    --bg-card-hover: #1c1e21;
    --border-color: #202226;
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-gold: #eab308;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    
    --sidebar-width: 270px;
    --right-sidebar-width: 240px;
    --header-height: 64px;
    --transition-speed: 0.2s;
}

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

a {
    color: inherit;
    text-decoration: none;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-section img {
    height: 36px;
    width: 36px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-speed);
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width var(--transition-speed) ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.search-container {
    position: relative;
    width: 260px;
    transition: width var(--transition-speed) ease;
}

.search-container:focus-within {
    width: 300px;
}

.search-input {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.8rem 0.5rem 2.2rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.search-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(234, 179, 8, 0.15);
}

.search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.action-btn {
    background-color: transparent;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-speed), color var(--transition-speed), box-shadow var(--transition-speed);
}

.action-btn:hover {
    background-color: var(--accent-gold);
    color: #0c0d0e;
    box-shadow: 0 0 12px rgba(234, 179, 8, 0.3);
}

.layout-wrapper {
    display: flex;
    margin-top: var(--header-height);
    flex: 1;
}

.sidebar {
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    overflow-y: auto;
    padding: 1.5rem 0.75rem;
}

.sidebar-category {
    margin-bottom: 1.5rem;
}

.category-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.25rem 0.5rem;
    margin-bottom: 0.4rem;
}

.category-items {
    list-style: none;
}

.sidebar-item {
    margin-bottom: 0.15rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.65rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 4px;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
}

.sidebar-link:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    transform: translateX(4px);
}

.sidebar-link.active {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
    font-weight: 600;
    border-left: 2px solid var(--accent-gold);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    transform: translateX(2px);
}

.link-icon {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color var(--transition-speed);
}

.sidebar-link:hover .link-icon {
    color: var(--text-primary);
}

.sidebar-link.active .link-icon {
    color: var(--accent-gold);
}

.main-content {
    margin-left: var(--sidebar-width);
    margin-right: var(--right-sidebar-width);
    padding: 2.5rem 3rem;
    flex: 1;
    max-width: 100%;
}

.breadcrumb {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.breadcrumb-separator {
    font-size: 0.7rem;
}

.doc-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text-primary) 50%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.doc-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.25rem;
}

.doc-section {
    margin-bottom: 2rem;
    scroll-margin-top: calc(var(--header-height) + 20px);
}

.doc-section h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.doc-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.doc-section p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.doc-section ul, .doc-section ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.doc-section li {
    margin-bottom: 0.4rem;
}

.callout {
    border-left: 4px solid;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.callout:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.callout-title {
    font-weight: 600;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.callout.info { border-left-color: var(--accent-blue); }
.callout.info .callout-title { color: var(--accent-blue); }

.callout.warning { border-left-color: var(--accent-gold); }
.callout.warning .callout-title { color: var(--accent-gold); }

.callout.danger { border-left-color: var(--accent-red); }
.callout.danger .callout-title { color: var(--accent-red); }

.callout.success { border-left-color: var(--accent-green); }
.callout.success .callout-title { color: var(--accent-green); }

.step-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin: 1.5rem 0;
}

.step-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.step-number {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 0.8rem;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0 !important;
}

.responsive-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.responsive-table th, .responsive-table td {
    padding: 0.85rem 1.1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.responsive-table th {
    background-color: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    color: var(--text-primary);
}

.responsive-table tr:last-child td {
    border-bottom: none;
}

.matrix-green { background-color: rgba(16, 185, 129, 0.02); color: #34d399; }
.matrix-blue { background-color: rgba(59, 130, 246, 0.02); color: #60a5fa; }
.matrix-yellow { background-color: rgba(234, 179, 8, 0.02); color: #fbbf24; }
.matrix-orange { background-color: rgba(249, 115, 22, 0.02); color: #f97316; }
.matrix-red { background-color: rgba(239, 68, 68, 0.02); color: #f87171; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge.gold { background-color: rgba(234, 179, 8, 0.1); color: var(--accent-gold); border: 1px solid rgba(234, 179, 8, 0.15); }
.badge.blue { background-color: rgba(59, 130, 246, 0.1); color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.15); }
.badge.red { background-color: rgba(239, 68, 68, 0.1); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.15); }
.badge.green { background-color: rgba(16, 185, 129, 0.1); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.15); }

.search-results-overlay {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 0.35rem;
    max-height: 280px;
    overflow-y: auto;
    z-index: 110;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.search-results-overlay.active {
    display: block;
}

.search-result-item {
    padding: 0.7rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed);
}

.search-result-item:hover {
    background-color: var(--bg-card);
}

.search-result-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 0.15rem;
}

.search-result-snippet {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-empty {
    padding: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
}

@media (max-width: 1200px) {
    .right-sidebar {
        display: none;
    }
    .main-content {
        margin-right: 0;
        padding: 2rem 2.5rem;
    }
}

@media (max-width: 1024px) {
    .right-sidebar {
        display: none;
    }
    .main-content {
        margin-right: 0;
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-speed) ease;
        z-index: 99;
        background-color: var(--bg-sidebar);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }
    .search-container {
        display: none;
    }
}

.radio-tabs-container {
    margin-top: 1rem;
}

#radio-tab-1:checked ~ .radio-tab-buttons label[for="radio-tab-1"],
#radio-tab-2:checked ~ .radio-tab-buttons label[for="radio-tab-2"] {
    background-color: var(--accent-gold);
    color: #0c0d0e;
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(234, 179, 8, 0.2);
}

.radio-tab-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.radio-tab-label {
    padding: 0.65rem 1.3rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-speed);
}

.radio-tab-label:hover {
    color: var(--text-primary);
    background-color: var(--bg-card-hover);
}

.radio-tab-content-1,
.radio-tab-content-2 {
    display: none;
    animation: radioFadeIn 0.2s ease-in-out;
}

#radio-tab-1:checked ~ .radio-tab-content-1 {
    display: block;
}

#radio-tab-2:checked ~ .radio-tab-content-2 {
    display: block;
}

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

.radio-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.65rem 0.95rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 58px;
    transition: transform var(--transition-speed), background-color var(--transition-speed);
}

.radio-card:hover {
    transform: translateY(-1px);
    background-color: var(--bg-card-hover);
}

.radio-card.gold { border-left: 3px solid var(--accent-gold); }
.radio-card.green { border-left: 3px solid var(--accent-green); }
.radio-card.blue { border-left: 3px solid var(--accent-blue); }
.radio-card.red { border-left: 3px solid var(--accent-red); }
.radio-card.muted { border-left: 3px solid var(--text-muted); }

.radio-card.danger-alert {
    background: rgba(239, 68, 68, 0.04);
    border-color: rgba(239, 68, 68, 0.15);
    border-left: 4px solid var(--accent-red);
}

.radio-card.danger-alert:hover {
    background: rgba(239, 68, 68, 0.08);
}

.radio-code-badge {
    font-weight: 700;
    font-family: monospace;
    font-size: 0.85rem;
    min-width: 68px;
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    text-align: center;
}

.radio-code-badge.gold { color: var(--accent-gold); background: rgba(234, 179, 8, 0.1); }
.radio-code-badge.green { color: var(--accent-green); background: rgba(16, 185, 129, 0.1); }
.radio-code-badge.blue { color: var(--accent-blue); background: rgba(59, 130, 246, 0.1); }
.radio-code-badge.red { color: var(--accent-red); background: rgba(239, 68, 68, 0.1); }
.radio-code-badge.muted { color: var(--text-muted); background: rgba(255, 255, 255, 0.05); }

.radio-card-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.3;
    flex: 1;
}

.right-sidebar {
    width: var(--right-sidebar-width);
    height: calc(100vh - var(--header-height));
    position: fixed;
    right: 0;
    top: var(--header-height);
    overflow-y: auto;
    padding: 2rem 1rem 2rem 1.25rem;
    border-left: 1px solid rgba(255,255,255,0.04);
    background: linear-gradient(180deg, rgba(18,19,21,0.98) 0%, rgba(12,13,14,0.98) 100%);
}

.right-sidebar::-webkit-scrollbar {
    width: 3px;
}

.toc-container {
    position: sticky;
    top: 0;
}

.toc-header {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.5rem 0.75rem 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(234,179,8,0.12);
}

.toc-header i {
    font-size: 0.7rem;
    opacity: 0.8;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
}

.toc-list::before {
    content: '';
    position: absolute;
    left: 0.6rem;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 1px;
    background: linear-gradient(180deg, rgba(234,179,8,0.15) 0%, rgba(234,179,8,0.02) 100%);
}

.toc-item {
    position: relative;
    margin-bottom: 0;
}

.toc-link {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.4rem 0.5rem 0.4rem 0.4rem;
    font-size: 0.79rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 5px;
    transition: color 0.15s ease, background-color 0.15s ease, padding-left 0.2s ease;
    line-height: 1.45;
    position: relative;
}

.toc-link::before {
    content: '';
    display: block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--border-color);
    flex-shrink: 0;
    margin-top: 0.42rem;
    transition: background-color 0.15s ease, transform 0.15s ease;
    position: relative;
    z-index: 1;
}

.toc-link-text {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.toc-link:hover {
    color: var(--text-secondary);
    background-color: rgba(255,255,255,0.02);
    padding-left: 0.7rem;
}

.toc-link:hover::before {
    background-color: var(--text-muted);
    transform: scale(1.3);
}

.toc-link.active {
    color: var(--accent-gold);
    background-color: rgba(234, 179, 8, 0.04);
    padding-left: 0.7rem;
    font-weight: 500;
}

.toc-link.active::before {
    background-color: var(--accent-gold);
    transform: scale(1.4);
    box-shadow: 0 0 6px rgba(234, 179, 8, 0.4);
}