/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #1a1a2e;
  --sidebar:   #16213e;
  --accent:    #f8a000;
  --accent2:   #00b4d8;
  --text:      #e0e0e0;
  --text-dim:  #9a9ab0;
  --card:      #0f3460;
  --border:    #2a2a4a;
  --code-bg:   #12122a;
  --sidebar-w: 268px;
}

body {
  font-family: 'Source Sans 3', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  line-height: 1.6;
}

#sidebar {
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

#sidebar-header {
  padding: 15px 14px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
#sidebar-header img { width: 34px; height: 34px; border-radius: 6px; }
.lib-name { font-size: 1rem; font-weight: 600; color: var(--accent); }
.lib-ver  { font-size: 0.71rem; color: var(--text-dim); }

/* Search */
#sidebar-search-wrap {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#sidebar-search {
  width: 100%;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 10px 6px 30px;
  font-size: 0.81rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%239a9ab0' stroke-width='2.5'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 9px center;
}
#sidebar-search:focus { border-color: var(--accent); }
#sidebar-search::placeholder { color: var(--text-dim); }

/* Scrollable nav */
#sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 24px;
}
#sidebar-nav::-webkit-scrollbar { width: 4px; }
#sidebar-nav::-webkit-scrollbar-track { background: transparent; }
#sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Nav groups */
.nav-group { border-bottom: 1px solid rgba(42,42,74,0.5); }

.nav-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.nav-group-toggle:hover { background: rgba(248,160,0,0.05); }

.nav-group-toggle-left {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.nav-group-icon { font-size: 0.88rem; }

.nav-group-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-group-count {
  font-size: 0.62rem;
  background: rgba(248,160,0,0.12);
  color: var(--accent);
  border: 1px solid rgba(248,160,0,0.28);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
}
.nav-group-arrow {
  font-size: 0.6rem;
  color: var(--text-dim);
  transition: transform 0.2s;
}
.nav-group.collapsed .nav-group-arrow { transform: rotate(-90deg); }
.nav-group.collapsed .nav-group-items { display: none; }

/* Nav items */
.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 14px 4px 30px;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.12s, color 0.12s;
}
.nav-item:hover {
  background: rgba(248,160,0,0.07);
  color: var(--text);
  border-left-color: rgba(248,160,0,0.35);
}
.nav-item.active {
  background: rgba(248,160,0,0.12);
  color: var(--accent);
  border-left-color: var(--accent);
}
.nav-item-count {
  font-size: 0.61rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 1px 5px;
  flex-shrink: 0;
}
.nav-item .badge { font-size: 0.61rem; padding: 1px 5px; border-radius: 3px; font-weight: 700; }
.badge-dep { background: #c0392b; color: #fff; }
.nav-item.search-hidden { display: none; }


#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 0 0 80px;
  min-width: 0;
}

#topbar {
  background: var(--sidebar);
  border-bottom: 1px solid var(--border);
  padding: 13px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
#topbar .breadcrumb { font-size: 0.83rem; color: var(--text-dim); }
#topbar .breadcrumb span { color: var(--accent); font-weight: 600; }
#topbar .links a { font-size: 0.8rem; color: var(--accent2); text-decoration: none; margin-left: 18px; }
#topbar .links a:hover { text-decoration: underline; }

.page-section { padding: 32px 40px 0; max-width: 940px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 30px;
  margin-bottom: 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.hero img { width: 60px; height: 60px; border-radius: 10px; flex-shrink: 0; }
.hero h1 { font-size: 1.8rem; color: var(--accent); font-weight: 600; margin-bottom: 5px; }
.hero p  { color: var(--text-dim); font-size: 0.93rem; line-height: 1.55; }
.hero .meta { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.pill { font-size: 0.72rem; padding: 2px 9px; border-radius: 20px; border: 1px solid var(--border); color: var(--text-dim); }
.pill.accent  { border-color: var(--accent);  color: var(--accent); }
.pill.accent2 { border-color: var(--accent2); color: var(--accent2); }

/* Install card */
.install-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 22px;
  margin-bottom: 32px;
}
.install-card h2 { font-size: 1.1rem; color: var(--accent); font-weight: 600; margin-bottom: 7px; }
.install-card p  { font-size: 0.88rem; color: var(--text-dim); margin-bottom: 6px; }

/* Class header */
.class-header {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px 8px 0 0;
  padding: 16px 22px;
  margin-top: 32px;
}
.class-header h2 { font-size: 1.35rem; color: var(--accent); font-weight: 600; margin-bottom: 3px; }
.class-header .class-path { font-family: 'Source Code Pro', monospace; font-size: 0.77rem; color: var(--text-dim); margin-bottom: 7px; }
.class-header p { font-size: 0.89rem; color: var(--text-dim); }

.accordion {
  border: 1px solid var(--border);
  border-top: none;
}
.accordion:last-child { border-radius: 0 0 8px 8px; overflow: hidden; }

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 22px;
  background: rgba(15,52,96,0.55);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.accordion-header:hover { background: rgba(15,52,96,0.85); }

.accordion-header-left {
  display: flex;
  align-items: center;
  gap: 9px;
}
.accordion-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent2);
}
.accordion-count {
  font-size: 0.63rem;
  background: rgba(0,180,216,0.1);
  color: var(--accent2);
  border: 1px solid rgba(0,180,216,0.22);
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 600;
}
.accordion-arrow {
  font-size: 0.65rem;
  color: var(--text-dim);
  transition: transform 0.2s;
}
.accordion.collapsed .accordion-arrow { transform: rotate(-90deg); }
.accordion.collapsed .accordion-body  { display: none; }

.method {
  background: #0d1b38;
  border-bottom: 1px solid var(--border);
}
.accordion-body .method:last-child { border-bottom: none; }

.method-header {
  padding: 11px 22px 9px;
  border-bottom: 1px solid rgba(42,42,74,0.5);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}
.method-sig {
  font-family: 'Source Code Pro', monospace;
  font-size: 0.85rem;
  color: #c9d1d9;
  flex: 1;
  word-break: break-word;
}
.method-sig .fn-name { color: var(--accent2); font-weight: 600; }
.method-sig .type    { color: #79c0ff; }
.method-sig .param   { color: #ffa657; }
.method-sig .kw      { color: #ff7b72; }

.tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 2px;
}
.tag-sync  { background: rgba(39,174,96,0.16);  color: #2ecc71; border: 1px solid #27ae60; }
.tag-async { background: rgba(41,128,185,0.16); color: #5dade2; border: 1px solid #2980b9; }
.tag-dep   { background: rgba(192,57,43,0.16);  color: #e74c3c; border: 1px solid #c0392b; }
.tag-new   { background: rgba(142,68,173,0.16); color: #bb8fce; border: 1px solid #8e44ad; }

.method-body { padding: 12px 22px 14px; }
.method-body > p { font-size: 0.87rem; color: var(--text-dim); margin-bottom: 9px; }

.params-table { width: 100%; border-collapse: collapse; margin: 8px 0; }
.params-table th {
  font-size: 0.67rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--text-dim); padding: 4px 10px; text-align: left;
  background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--border);
}
.params-table td { font-size: 0.82rem; padding: 5px 10px; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: top; }
.params-table tr:last-child td { border-bottom: none; }
.params-table .pname { font-family: 'Source Code Pro', monospace; color: #ffa657; }
.params-table .ptype { font-family: 'Source Code Pro', monospace; color: #79c0ff; }
.params-table .pdesc { color: var(--text-dim); }
.params-table .opt   { font-style: italic; font-size: 0.75rem; color: var(--text-dim); }

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 15px;
  overflow-x: auto;
  margin-top: 10px;
}
pre code { font-family: 'Source Code Pro', monospace; font-size: 0.8rem; color: #c9d1d9; line-height: 1.5; }
code { font-family: 'Source Code Pro', monospace; font-size: 0.83em; color: var(--accent2); background: rgba(0,180,216,0.08); padding: 1px 4px; border-radius: 3px; }
pre code { background: none; padding: 0; font-size: inherit; }

.dep-notice {
  background: rgba(192,57,43,0.1);
  border: 1px solid rgba(192,57,43,0.3);
  border-radius: 5px;
  padding: 8px 12px;
  font-size: 0.81rem;
  color: #e74c3c;
  margin-bottom: 10px;
}

footer {
  margin-left: var(--sidebar-w);
  text-align: center;
  padding: 18px;
  color: var(--text-dim);
  font-size: 0.79rem;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
footer img { vertical-align: middle; width: 18px; height: 18px; border-radius: 50%; margin: 0 3px; }