/* ================================================================
   URBot Developer API Docs — Main Stylesheet
   Two-panel layout: 280px sticky sidebar + scrollable main
   ================================================================ */

/* ── Reset & Variables ──────────────────────────────────────────── */
:root {
    --bg-body:       #0a0a14;
    --bg-sidebar:    #0d0d20;
    --bg-card:       #111128;
    --bg-code:       #0d1117;
    --bg-hover:      #16163a;
    --bg-try:        #0f1820;
    --accent:        #6366f1;
    --accent-bright: #818cf8;
    --accent-glow:   rgba(99,102,241,0.15);
    --text-primary:  #e4e8f0;
    --text-secondary:#9aa0b0;
    --text-muted:    #5a6070;
    --text-code:     #c9d1d9;
    --border:        #1e2035;
    --border-mid:    #252845;
    --sidebar-w:     280px;

    /* Method badge colours */
    --get:    #22c55e;
    --post:   #3b82f6;
    --delete: #ef4444;
    --patch:  #f97316;
    --put:    #a855f7;

    /* Syntax colours (no JS lib needed) */
    --syn-key:    #ff7b72;
    --syn-str:    #a5d6ff;
    --syn-num:    #79c0ff;
    --syn-bool:   #d2a8ff;
    --syn-null:   #8b949e;
    --syn-prop:   #e3b341;
}

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

html { scroll-behavior: smooth; font-size: 15px; }

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

a { color: var(--accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Top Header ─────────────────────────────────────────────────── */
.docs-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(10,10,20,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-brand { display: flex; align-items: center; gap: 0.75rem; }
.header-brand .logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-bright);
}
.header-brand .version-badge {
    font-size: 0.7rem;
    background: var(--accent-glow);
    color: var(--accent-bright);
    border: 1px solid var(--accent);
    border-radius: 9999px;
    padding: 2px 8px;
}
.header-right { display: flex; align-items: center; gap: 1rem; }
.header-right a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color .2s;
}
.header-right a:hover { color: var(--text-primary); text-decoration: none; }
.swagger-btn {
    font-size: 0.8rem;
    background: var(--accent-glow);
    color: var(--accent-bright) !important;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 4px 12px;
}
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.3rem;
    padding: 4px;
}

/* ── Layout ──────────────────────────────────────────────────────── */
.docs-layout {
    display: flex;
    min-height: calc(100vh - 56px);
}

/* ── Sidebar ─────────────────────────────────────────────────────── */
.docs-sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    max-width: var(--sidebar-w);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
    padding: 1rem 0;
    flex-shrink: 0;
}
.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

.search-box {
    padding: 0 1rem 0.75rem;
}
.search-box input {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-mid);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.82rem;
    padding: 6px 10px;
    outline: none;
    transition: border-color .2s;
}
.search-box input:focus { border-color: var(--accent); }
.search-box input::placeholder { color: var(--text-muted); }

.nav-group { margin-bottom: 0.25rem; }
.nav-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    transition: background .15s;
}
.nav-group-header:hover { background: var(--bg-hover); }
.nav-group-toggle { font-size: 0.6rem; transition: transform .2s; }
.nav-group.collapsed .nav-group-toggle { transform: rotate(-90deg); }
.nav-group-items { overflow: hidden; }
.nav-group.collapsed .nav-group-items { display: none; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 5px 1rem 5px 1.75rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background .15s, color .15s;
    border-left: 2px solid transparent;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
    color: var(--accent-bright);
    border-left-color: var(--accent);
    background: var(--accent-glow);
}
.nav-method {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: .02em;
    min-width: 36px;
    text-align: center;
    border-radius: 3px;
    padding: 1px 4px;
}
.nav-method.GET    { color: var(--get);    background: rgba(34,197,94,.1); }
.nav-method.POST   { color: var(--post);   background: rgba(59,130,246,.1); }
.nav-method.DELETE { color: var(--delete); background: rgba(239,68,68,.1); }
.nav-method.PATCH  { color: var(--patch);  background: rgba(249,115,22,.1); }

/* ── Main Content ────────────────────────────────────────────────── */
.docs-main {
    flex: 1;
    max-width: calc(100vw - var(--sidebar-w));
    overflow-x: hidden;
    padding: 2rem 2.5rem 4rem;
}

.base-url-banner {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-mid);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin-bottom: 2rem;
    font-size: 0.88rem;
}
.base-url-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
}
.base-url-value {
    color: var(--accent-bright);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88rem;
}

/* ── Section Headers ─────────────────────────────────────────────── */
.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 3rem 0 0.4rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    scroll-margin-top: 72px;
}
.section-title:first-of-type { border-top: none; margin-top: 0; }
.section-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}

/* ── Endpoint Card ───────────────────────────────────────────────── */
.endpoint-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    scroll-margin-top: 72px;
    transition: border-color .2s;
}
.endpoint-card:hover { border-color: var(--border-mid); }

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    background: var(--bg-card);
    user-select: none;
}
.endpoint-header:hover { background: var(--bg-hover); }
.endpoint-card.expanded .endpoint-header { background: var(--bg-hover); }

.method-badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: .04em;
    border-radius: 4px;
    padding: 3px 8px;
    min-width: 52px;
    text-align: center;
    font-family: 'SF Mono', monospace;
}
.method-badge.GET    { background: rgba(34,197,94,.15);  color: var(--get);    border: 1px solid rgba(34,197,94,.3); }
.method-badge.POST   { background: rgba(59,130,246,.15); color: var(--post);   border: 1px solid rgba(59,130,246,.3); }
.method-badge.DELETE { background: rgba(239,68,68,.15);  color: var(--delete); border: 1px solid rgba(239,68,68,.3); }
.method-badge.PATCH  { background: rgba(249,115,22,.15); color: var(--patch);  border: 1px solid rgba(249,115,22,.3); }
.method-badge.PUT    { background: rgba(168,85,247,.15); color: var(--put);    border: 1px solid rgba(168,85,247,.3); }

.endpoint-path {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.92rem;
    color: var(--text-primary);
    flex: 1;
}
.endpoint-summary {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.endpoint-expand-icon {
    color: var(--text-muted);
    font-size: 0.7rem;
    transition: transform .2s;
}
.endpoint-card.expanded .endpoint-expand-icon { transform: rotate(180deg); }

.auth-badge {
    font-size: 0.68rem;
    padding: 2px 7px;
    border-radius: 9999px;
    border: 1px solid;
    white-space: nowrap;
}
.auth-badge.jwt  { color: #fbbf24; border-color: rgba(251,191,36,.3); background: rgba(251,191,36,.08); }
.auth-badge.apikey { color: #34d399; border-color: rgba(52,211,153,.3); background: rgba(52,211,153,.08); }
.auth-badge.none { color: var(--text-muted); border-color: var(--border); background: transparent; }
.auth-badge.optional { color: #a78bfa; border-color: rgba(167,139,250,.3); background: rgba(167,139,250,.08); }

/* ── Endpoint Body ───────────────────────────────────────────────── */
.endpoint-body {
    display: none;
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid var(--border);
}
.endpoint-card.expanded .endpoint-body { display: block; }

.endpoint-desc {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin: 0.75rem 0 1rem;
    line-height: 1.7;
}

/* ── Parameters Table ────────────────────────────────────────────── */
.params-section { margin: 1rem 0; }
.params-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.params-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83rem;
}
.params-table th {
    text-align: left;
    padding: 6px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-mid);
}
.params-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.params-table tr:last-child td { border-bottom: none; }
.param-name {
    font-family: 'SF Mono', monospace;
    font-size: 0.82rem;
    color: var(--syn-prop);
}
.param-type {
    font-family: 'SF Mono', monospace;
    font-size: 0.78rem;
    color: var(--syn-bool);
}
.param-req {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.param-req.yes { color: var(--delete); }
.param-req.no  { color: var(--text-muted); }
.param-desc { color: var(--text-secondary); }

/* ── Code Blocks ─────────────────────────────────────────────────── */
.code-tabs {
    margin: 1rem 0;
}
.code-tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-mid);
    margin-bottom: 0;
}
.code-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 14px;
    margin-bottom: -1px;
    transition: color .15s, border-color .15s;
}
.code-tab-btn:hover { color: var(--text-secondary); }
.code-tab-btn.active { color: var(--accent-bright); border-bottom-color: var(--accent); }

.code-panel {
    display: none;
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border-mid);
    border-top: none;
    border-radius: 0 0 6px 6px;
    overflow: hidden;
}
.code-panel.active { display: block; }

.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--bg-hover);
    border: 1px solid var(--border-mid);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.72rem;
    padding: 3px 9px;
    border-radius: 4px;
    transition: color .15s, background .15s;
    z-index: 10;
}
.code-copy-btn:hover { color: var(--text-primary); background: var(--bg-card); }
.code-copy-btn.copied { color: var(--get); }

pre.code-block {
    padding: 1rem 1.25rem;
    overflow-x: auto;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-code);
    white-space: pre;
}
pre.code-block::-webkit-scrollbar { height: 4px; }
pre.code-block::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

/* Syntax highlighting — CSS only */
.sk  { color: var(--syn-key); }   /* keyword / special */
.ss  { color: var(--syn-str); }   /* string */
.sn  { color: var(--syn-num); }   /* number */
.sb  { color: var(--syn-bool); }  /* boolean / type */
.snl { color: var(--syn-null); }  /* null / comment */
.sp  { color: var(--syn-prop); }  /* property / key */

/* ── Response Section ────────────────────────────────────────────── */
.response-section { margin: 1rem 0 0; }
.response-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.response-block {
    background: var(--bg-code);
    border: 1px solid var(--border-mid);
    border-radius: 6px;
    padding: 0.9rem 1.1rem;
    font-family: 'SF Mono', monospace;
    font-size: 0.82rem;
    overflow-x: auto;
    color: var(--text-code);
    line-height: 1.6;
    white-space: pre;
}

/* ── Try-It Section ──────────────────────────────────────────────── */
.try-section {
    margin: 1.25rem 0 0;
    background: var(--bg-try);
    border: 1px solid var(--border-mid);
    border-radius: 8px;
    overflow: hidden;
}
.try-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-bright);
    cursor: pointer;
    user-select: none;
}
.try-header:hover { background: var(--bg-hover); }
.try-body { padding: 1rem; }
.try-body.hidden { display: none; }

.try-field { margin-bottom: 0.75rem; }
.try-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 3px;
    font-family: 'SF Mono', monospace;
}
.try-field input,
.try-field textarea,
.try-field select {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-mid);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 0.82rem;
    font-family: 'SF Mono', monospace;
    padding: 6px 10px;
    outline: none;
    resize: vertical;
    transition: border-color .2s;
}
.try-field input:focus,
.try-field textarea:focus,
.try-field select:focus { border-color: var(--accent); }

.try-send-btn {
    background: var(--accent);
    border: none;
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 18px;
    transition: background .2s;
}
.try-send-btn:hover { background: var(--accent-bright); }
.try-send-btn:disabled { opacity: .5; cursor: not-allowed; }

.try-response {
    margin-top: 0.75rem;
    background: var(--bg-code);
    border: 1px solid var(--border-mid);
    border-radius: 5px;
    padding: 0.75rem;
    font-family: 'SF Mono', monospace;
    font-size: 0.78rem;
    overflow-x: auto;
    color: var(--text-code);
    white-space: pre;
    display: none;
    max-height: 300px;
    overflow-y: auto;
}
.try-response.visible { display: block; }
.try-status {
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}
.try-status.ok   { color: var(--get); }
.try-status.err  { color: var(--delete); }
.try-status.warn { color: var(--patch); }

/* ── Alert Box ───────────────────────────────────────────────────── */
.alert {
    font-size: 0.85rem;
    padding: 0.7rem 1rem;
    border-radius: 6px;
    margin: 1rem 0;
    border-left: 3px solid;
}
.alert-info  { background: rgba(59,130,246,.08);  border-color: #3b82f6; color: #93c5fd; }
.alert-warn  { background: rgba(251,191,36,.08);  border-color: #fbbf24; color: #fde68a; }
.alert-tip   { background: rgba(34,197,94,.08);   border-color: #22c55e; color: #86efac; }

/* ── Footer ──────────────────────────────────────────────────────── */
.docs-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.docs-footer a { color: var(--text-secondary); }

/* ── Mobile ──────────────────────────────────────────────────────── */
@media (max-width: 820px) {
    .hamburger { display: block; }
    .header-right a:not(.swagger-btn) { display: none; }

    .docs-sidebar {
        position: fixed;
        left: -100%;
        top: 56px;
        height: calc(100vh - 56px);
        z-index: 150;
        transition: left .25s ease;
        width: 85vw;
        max-width: 320px;
    }
    .docs-sidebar.open { left: 0; box-shadow: 4px 0 24px rgba(0,0,0,.6); }

    .docs-main {
        max-width: 100%;
        padding: 1.25rem 1rem 3rem;
    }
    .endpoint-summary { display: none; }
}