@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-color: #0e0e10;
    --card-bg: #18181b;
    --input-bg: #1f1f23;
    --text-main: #efeff1;
    --text-muted: #adadb8;
    --primary: #9146FF;
    --primary-hover: #772ce8;
    --primary-glow: rgba(145, 70, 255, 0.18);
    --primary-subtle: rgba(145, 70, 255, 0.08);
    --border: #303032;
    --border-hover: #464649;
    --green: #1db954;
    --green-bg: rgba(29, 185, 84, 0.08);
    --green-border: rgba(29, 185, 84, 0.2);
    --yellow: #f0a500;
    --yellow-bg: rgba(240, 165, 0, 0.07);
    --yellow-border: rgba(240, 165, 0, 0.2);
    --red: #ff4f4f;
    --sidebar-w: 288px;
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg-color);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #303032; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 var(--primary-glow); }
    50%       { box-shadow: 0 0 0 6px transparent; }
}
@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}
@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px) scale(.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(8px) scale(.95); }
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-color);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    transition: transform 0.28s cubic-bezier(.4,0,.2,1);
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: 24px;
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo-mark {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #9146FF, #c084fc);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: transform .2s, box-shadow .2s;
}

.sidebar-logo-mark:hover {
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.search-box {
    margin: 0 16px 16px;
    position: relative;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: color .2s;
}

.search-box:focus-within svg { color: var(--primary); }

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 36px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.85rem;
    font-family: inherit;
    transition: all .2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--input-bg);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.nav-section-label {
    padding: 16px 20px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #5a5a60;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.sidebar-nav {
    padding: 0 8px 24px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background .15s, color .15s, transform .15s;
    position: relative;
}

.nav-link:hover {
    background: var(--card-bg);
    color: var(--text-main);
    transform: translateX(2px);
}

.nav-link.active {
    background: var(--primary-subtle);
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 3px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-link.nav-sub {
    padding-left: 36px;
    font-size: 0.8rem;
}

.nav-hidden { display: none !important; }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: 60px 80px;
    min-width: 0;
    animation: fadeIn .4s ease;
}

#mobile-menu-btn {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    z-index: 110;
    color: var(--text-main);
    transition: background .2s, border-color .2s;
}

#mobile-menu-btn:hover { border-color: var(--primary); }

.doc-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
    animation: fadeUp .4s ease;
}

.doc-header .eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.doc-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 16px;
}

.doc-header p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 700px;
}

.doc-section {
    display: none;
    animation: fadeUp .35s ease;
}

.doc-section.is-active { display: block; }

body.is-searching .doc-section {
    display: block !important;
    margin-bottom: 64px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
body.is-searching .panel-nav { display: none; }

.section-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.section-head h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.section-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 680px;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 32px;
    background: var(--bg-color);
}

table { width: 100%; border-collapse: collapse; text-align: left; }
th {
    padding: 14px 16px;
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 0.75rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    letter-spacing: .04em;
    text-transform: uppercase;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    line-height: 1.5;
    vertical-align: middle;
    color: var(--text-muted);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(145,70,255,.03); }

.var-row { transition: background .15s; }
.var-row.hidden-by-search { display: none; }

code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all .18s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

code::after {
    content: '';
    display: inline-block;
    width: 11px;
    height: 11px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%239146FF' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2'/%3E%3Cpath d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0;
    transition: opacity .18s;
    flex-shrink: 0;
}

code:hover::after { opacity: 1; }

code:hover {
    border-color: var(--primary);
    background: var(--primary-subtle);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--primary-glow);
}

code.copied {
    background: var(--green-bg);
    border-color: var(--green-border);
    color: var(--green);
}

code.copied::after {
    opacity: 1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%231db954' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--card-bg);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.example-block {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 28px;
    background: var(--bg-color);
    overflow: hidden;
    transition: border-color .2s;
}

.example-block:hover { border-color: var(--border-hover); }

.example-top {
    padding: 10px 16px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: .05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.example-top::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--primary);
    border-radius: 50%;
    opacity: .7;
}

.example-body {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border);
}

.ex-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-color);
    padding: 20px 24px;
    gap: 20px;
    transition: background .15s;
}

.ex-row:hover { background: #111113; }

.ex-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ex-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ex-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all .18s;
    user-select: none;
    white-space: nowrap;
    font-family: inherit;
}

.ex-copy-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-subtle);
}

.ex-copy-btn.copied {
    border-color: var(--green-border);
    color: var(--green);
    background: var(--green-bg);
}

.ex-code, .ex-result {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.83rem;
    padding: 12px 16px;
    border-radius: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
    line-height: 1.7;
    word-break: break-all;
}

.ex-code { border-left: 3px solid var(--primary); }
.ex-result { border-left: 3px solid var(--green); }

.panel-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all .2s;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text-main);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:hover {
    border-color: var(--primary);
    background: var(--input-bg);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    margin-left: auto;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 16px var(--primary-glow);
    color: #fff;
}

.callout {
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 0 0 24px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--yellow-bg);
    border: 1px solid var(--yellow-border);
    color: var(--yellow);
}

.callout-icon {
    flex-shrink: 0;
    margin-top: 1px;
}

.callout strong { font-weight: 700; }

.callout.info {
    background: var(--primary-subtle);
    border-color: rgba(145,70,255,.2);
    color: var(--text-muted);
}

.callout.info strong { color: var(--primary); }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all .22s;
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: fadeUp .4s ease both;
}

.card:nth-child(1) { animation-delay: .05s; }
.card:nth-child(2) { animation-delay: .1s; }
.card:nth-child(3) { animation-delay: .15s; }
.card:nth-child(4) { animation-delay: .2s; }
.card:nth-child(5) { animation-delay: .25s; }
.card:nth-child(6) { animation-delay: .3s; }
.card:nth-child(7) { animation-delay: .35s; }

.card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0,0,0,.25), 0 0 0 1px var(--primary-glow);
}

.card h3 { font-size: 1rem; color: var(--text-main); font-weight: 600; }
.card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.55; }

.copy-toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: var(--card-bg);
    border: 1px solid var(--green);
    color: var(--green);
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.83rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 28px rgba(0,0,0,.35);
    z-index: 1000;
    animation: toastIn .22s ease;
}

.copy-toast.hiding { animation: toastOut .2s ease forwards; }

.var-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--primary);
    background: var(--primary-subtle);
    border: 1px solid rgba(145,70,255,.2);
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

@media (max-width: 960px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,.5); }
    .main-content { margin-left: 0; padding: 80px 20px 40px; }
    #mobile-menu-btn { display: flex; }
    .ex-row { grid-template-columns: 1fr; gap: 16px; }
}