/* ===== CSS Variables & Themes ===== */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.2);
  --transition: .2s ease;
}

[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --bg-card: #161b22;
  --bg-hover: #1c2128;
  --bg-active: #252c35;
  --bg-overlay: rgba(0,0,0,.6);
  --border-primary: #30363d;
  --border-secondary: #21262d;
  --border-active: #6366f1;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-bg: rgba(99,102,241,.12);
  --success: #10b981;
  --success-bg: rgba(16,185,129,.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245,158,11,.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,.12);
  --info: #3b82f6;
  --info-bg: rgba(59,130,246,.12);
  --code-bg: #0d1117;
  --scrollbar-thumb: #30363d;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eef1f5;
  --bg-card: #ffffff;
  --bg-hover: #f3f4f6;
  --bg-active: #e5e7eb;
  --bg-overlay: rgba(0,0,0,.4);
  --border-primary: #d1d5db;
  --border-secondary: #e5e7eb;
  --border-active: #6366f1;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-bg: rgba(99,102,241,.08);
  --success: #059669;
  --success-bg: rgba(5,150,105,.08);
  --warning: #d97706;
  --warning-bg: rgba(217,119,6,.08);
  --danger: #dc2626;
  --danger-bg: rgba(220,38,38,.08);
  --info: #2563eb;
  --info-bg: rgba(37,99,235,.08);
  --code-bg: #f6f8fa;
  --scrollbar-thumb: #c1c8d1;
}

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

html { font-size: 14px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

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

img { max-width: 100%; }

.text-muted { color: var(--text-secondary); }
.text-danger { color: var(--danger) !important; }
.required { color: var(--danger); }
.flex-1 { flex: 1; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: .875rem; font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border-primary); }
.btn-outline:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--text-secondary); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: none; padding: 4px 8px; }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-hover); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover:not(:disabled) { opacity: .9; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-block { width: 100%; justify-content: center; }

/* ===== Inputs ===== */
input[type="text"], input[type="email"], input[type="password"], input[type="url"], input[type="number"],
select, textarea {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: .875rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}
textarea { resize: vertical; }
.code-textarea {
  font-family: var(--font-mono);
  font-size: .8rem;
  tab-size: 2;
  background: var(--code-bg);
  line-height: 1.7;
}

.form-field { margin-bottom: 16px; }
.form-field label { display: block; margin-bottom: 6px; font-weight: 500; font-size: .85rem; color: var(--text-primary); }
.form-hint { display: block; margin-top: 4px; font-size: .75rem; color: var(--text-muted); }
.form-row { display: flex; gap: 12px; }

.input-with-suffix { position: relative; }
.input-with-suffix input { padding-right: 40px; }
.input-suffix { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: .8rem; }

.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-label { display: flex; align-items: center; gap: 8px; font-size: .85rem; cursor: pointer; }
.radio-label input[type="radio"] { accent-color: var(--accent); }

/* ===== Top Bar ===== */
.top-bar {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  backdrop-filter: blur(12px);
}
.top-bar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.top-bar-left { display: flex; align-items: center; gap: 20px; }
.top-bar-center { flex: 1; display: flex; justify-content: center; max-width: 480px; margin: 0 auto; }
.top-bar-right { display: flex; align-items: center; gap: 12px; }

/* Brand */
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-text { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); letter-spacing: -.5px; }

/* Nav */
.main-nav { display: flex; gap: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  font-size: .85rem; font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active { color: var(--text-primary); background: var(--accent-bg); }
.nav-link svg { opacity: .7; }
.nav-link.active svg { opacity: 1; }

/* Search */
.search-box {
  position: relative;
  width: 100%;
}
.search-box input {
  padding-left: 36px;
  padding-right: 36px;
  background: var(--bg-primary);
}
.search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none;
}
.search-box kbd {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  padding: 2px 6px;
  font-size: .7rem;
  font-family: var(--font-sans);
  color: var(--text-muted);
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  background: var(--bg-secondary);
}

/* Icon Btn */
.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.icon-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.notification-btn { position: relative; }
.notification-dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  display: none;
}
.notification-dot.show { display: block; }

/* User Area */
.user-area { position: relative; }
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .85rem;
  cursor: pointer;
  transition: box-shadow var(--transition);
}
.avatar:hover { box-shadow: 0 0 0 3px var(--accent-bg); }

.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px);
  width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  display: none;
  z-index: 200;
}
.user-dropdown.open { display: block; }
.dropdown-header { padding: 8px 16px; }
.dropdown-header strong { display: block; }
.dropdown-divider { height: 1px; background: var(--border-primary); margin: 4px 0; }
.dropdown-item {
  display: block; padding: 8px 16px;
  font-size: .85rem; color: var(--text-primary);
  transition: background var(--transition);
}
.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ===== App Body ===== */
.app-body {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 24px 64px;
}

/* Views */
.view { display: none; }
.view.active { display: block; animation: fadeIn .3s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* View Header */
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.view-header h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.view-actions { display: flex; gap: 8px; }

/* ===== Stats Row ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--border-active); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-value { display: block; font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: .8rem; color: var(--text-secondary); }

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}
.filter-tabs { display: flex; gap: 4px; }
.filter-tab {
  padding: 6px 14px;
  font-size: .85rem; font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.filter-tab.active { color: var(--text-primary); background: var(--accent-bg); border-color: var(--accent); }

.filter-right { display: flex; align-items: center; gap: 8px; }
.filter-select {
  width: auto; min-width: 140px;
  padding: 6px 10px;
  font-size: .8rem;
}

.view-toggle { display: flex; border: 1px solid var(--border-primary); border-radius: var(--radius-sm); overflow: hidden; }
.view-toggle-btn {
  padding: 6px 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}
.view-toggle-btn:hover { color: var(--text-primary); }
.view-toggle-btn.active { background: var(--accent-bg); color: var(--accent); }

/* ===== Skills Grid ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.skills-grid.list-view {
  grid-template-columns: 1fr;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow-md);
  transform: translateY(-2px);
}
.skill-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.skill-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--accent-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.skill-card-status {
  padding: 3px 8px;
  font-size: .7rem; font-weight: 600;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.skill-card-status.active { background: var(--success-bg); color: var(--success); }
.skill-card-status.draft { background: var(--warning-bg); color: var(--warning); }
.skill-card-status.disabled { background: var(--danger-bg); color: var(--danger); }

.skill-card-name {
  font-size: 1rem; font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 6px;
  color: var(--text-primary);
}
.skill-card-desc {
  font-size: .82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.skill-card-meta { display: flex; align-items: center; gap: 16px; font-size: .75rem; color: var(--text-muted); }
.skill-card-meta-item { display: flex; align-items: center; gap: 4px; }

.skill-card-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 10px; }
.skill-tag {
  padding: 2px 8px;
  font-size: .7rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 20px;
}

.skill-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-secondary);
  margin-top: 4px;
}
.skill-card-actions { display: flex; gap: 4px; }

/* List view card */
.skills-grid.list-view .skill-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
}
.skills-grid.list-view .skill-card-header { margin: 0; }
.skills-grid.list-view .skill-card-desc { margin: 0; -webkit-line-clamp: 1; }
.skills-grid.list-view .skill-card-tags { margin: 0; }
.skills-grid.list-view .skill-card-footer { border: none; padding: 0; margin: 0; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}
.empty-icon {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  background: var(--accent-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.empty-state h3 { margin-bottom: 8px; }
.empty-state p { margin-bottom: 20px; }

/* ===== Market ===== */
.market-categories {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.market-cat {
  padding: 8px 16px;
  font-size: .85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.market-cat:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.market-cat.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.market-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
}
.market-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.market-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.market-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.market-card-info { flex: 1; }
.market-card-name { font-weight: 600; font-family: var(--font-mono); font-size: .95rem; }
.market-card-author { font-size: .75rem; color: var(--text-muted); }
.market-card-desc { font-size: .82rem; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.5; }
.market-card-stats { display: flex; gap: 16px; font-size: .75rem; color: var(--text-muted); margin-bottom: 14px; }
.market-card-stat { display: flex; align-items: center; gap: 4px; }
.market-card-footer { display: flex; justify-content: space-between; align-items: center; }
.market-card-price { font-size: .85rem; font-weight: 600; color: var(--success); }
.market-card-price.paid { color: var(--warning); }

/* ===== Monitor ===== */
.monitor-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.monitor-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.monitor-card-title { font-size: .82rem; color: var(--text-secondary); }
.monitor-trend { font-size: .75rem; font-weight: 600; padding: 2px 6px; border-radius: 4px; }
.monitor-trend.up { color: var(--success); background: var(--success-bg); }
.monitor-trend.down { color: var(--danger); background: var(--danger-bg); }
.monitor-card-value { font-size: 1.8rem; font-weight: 700; }
.monitor-mini-chart {
  height: 40px;
  margin-top: 12px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
}
.mini-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
  min-height: 4px;
  opacity: .6;
  transition: opacity var(--transition);
}
.mini-bar:hover { opacity: 1; }

/* Log Section */
.log-section {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.log-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-primary);
}
.log-header h3 { font-size: 1rem; }
.log-filters { display: flex; gap: 8px; }

.log-table-wrapper { overflow-x: auto; }
.log-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.log-table th {
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  white-space: nowrap;
}
.log-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-secondary);
  white-space: nowrap;
}
.log-table tbody tr { transition: background var(--transition); }
.log-table tbody tr:hover { background: var(--bg-hover); }

.log-status {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px;
  font-size: .72rem; font-weight: 600;
  border-radius: 20px;
}
.log-status.success { background: var(--success-bg); color: var(--success); }
.log-status.error { background: var(--danger-bg); color: var(--danger); }
.log-status.timeout { background: var(--warning-bg); color: var(--warning); }

.log-skill-name { font-family: var(--font-mono); font-size: .8rem; color: var(--accent); }
.log-caller { display: flex; align-items: center; gap: 6px; }
.log-caller-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent-bg);
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem;
}

/* ===== API Docs ===== */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
}
.docs-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
}
.docs-nav-group { margin-bottom: 20px; }
.docs-nav-group h4 {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding: 0 8px;
}
.docs-nav-link {
  display: block;
  padding: 6px 12px;
  font-size: .85rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  margin-bottom: 2px;
  transition: all var(--transition);
}
.docs-nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.docs-nav-link.active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-bg); }

.docs-content {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 60vh;
}
.docs-content h2 { font-size: 1.3rem; margin-bottom: 16px; }
.docs-content h3 { font-size: 1.1rem; margin: 24px 0 12px; }
.docs-content p { margin-bottom: 12px; color: var(--text-secondary); line-height: 1.7; }
.docs-content .code-block {
  margin: 16px 0;
}

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--text-primary);
}
.code-block code { background: none; padding: 0; }
.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-comment { color: var(--text-muted); }
.code-func { color: #61afef; }
.code-number { color: #d19a66; }

.api-method {
  display: inline-block;
  padding: 2px 8px;
  font-size: .72rem; font-weight: 700;
  border-radius: 4px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}
.api-method.post { background: rgba(16,185,129,.15); color: #10b981; }
.api-method.get { background: rgba(59,130,246,.15); color: #3b82f6; }
.api-method.put { background: rgba(245,158,11,.15); color: #f59e0b; }
.api-method.delete { background: rgba(239,68,68,.15); color: #ef4444; }

.api-endpoint {
  font-family: var(--font-mono);
  font-size: .85rem;
  padding: 4px 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.docs-tip {
  padding: 12px 16px;
  background: var(--info-bg);
  border-left: 3px solid var(--info);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0;
  font-size: .85rem;
  color: var(--text-primary);
}

/* ===== Modals ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: var(--bg-overlay);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-primary);
  position: sticky; top: 0;
  background: var(--bg-card);
  z-index: 10;
}
.modal-header h2 { font-size: 1.15rem; }

.modal-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-primary);
  position: sticky; bottom: 0;
  background: var(--bg-card);
}

/* Skill Editor Modal */
.skill-editor-modal { width: 90vw; max-width: 900px; }
.skill-editor-body { padding: 0; }

.editor-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-primary);
  padding: 0 24px;
  background: var(--bg-secondary);
}
.editor-tab {
  padding: 12px 16px;
  font-size: .85rem; font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.editor-tab:hover { color: var(--text-primary); }
.editor-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.editor-panel { display: none; padding: 24px; }
.editor-panel.active { display: block; }

/* Params Editor */
.params-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.params-header h3 { margin-bottom: 4px; }

.params-list { margin-bottom: 20px; }
.param-item {
  display: grid;
  grid-template-columns: 1fr 120px 1fr auto auto;
  gap: 8px;
  align-items: start;
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  margin-bottom: 8px;
}
.param-item input, .param-item select { font-size: .8rem; }
.param-required {
  display: flex; align-items: center; gap: 4px;
  font-size: .75rem; color: var(--text-muted);
  padding-top: 8px;
}
.param-remove {
  padding: 6px; margin-top: 2px;
  background: transparent; border: none;
  color: var(--text-muted); cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition);
}
.param-remove:hover { color: var(--danger); background: var(--danger-bg); }

.schema-preview { margin-top: 16px; }
.schema-preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.schema-preview-header h4 { font-size: .9rem; }

/* Logic Options */
.logic-type-selector { margin-bottom: 24px; }
.logic-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.logic-option {
  cursor: pointer;
  display: block;
}
.logic-option input { display: none; }
.logic-option-content {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 20px 12px;
  text-align: center;
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.logic-option-content strong { font-size: .9rem; }
.logic-option-content .text-muted { font-size: .75rem; }
.logic-option-icon { font-size: 1.5rem; }
.logic-option.selected .logic-option-content,
.logic-option input:checked + .logic-option-content {
  border-color: var(--accent);
  background: var(--accent-bg);
}

/* Logic Config */
.logic-config { margin-top: 20px; }

/* KV Editor */
.kv-editor { margin-bottom: 8px; }
.kv-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}
.kv-remove {
  padding: 6px 10px;
  background: transparent; border: 1px solid var(--border-primary);
  color: var(--text-muted); cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.kv-remove:hover { color: var(--danger); border-color: var(--danger); }

/* Test Layout */
.test-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.test-input-section h3, .test-output-section h3 { margin-bottom: 12px; font-size: 1rem; }
.test-result {
  background: var(--code-bg);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  min-height: 200px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: .8rem;
  overflow: auto;
}
.test-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 200px;
  color: var(--text-muted);
  gap: 12px;
}
.test-meta {
  display: flex; gap: 20px;
  margin-top: 12px;
  font-size: .8rem;
  color: var(--text-secondary);
}
.test-meta-item { display: flex; gap: 6px; }

/* Settings */
.settings-section { margin-bottom: 28px; }
.settings-section h3 { font-size: 1rem; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border-primary); }

.danger-zone { border: 1px solid var(--danger); border-radius: var(--radius); padding: 20px; background: var(--danger-bg); }
.danger-zone h3 { color: var(--danger); border-color: rgba(239,68,68,.3); }
.danger-item { display: flex; justify-content: space-between; align-items: center; }
.danger-item p { font-size: .8rem; }

/* Icon Picker */
.icon-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.icon-option {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.icon-option:hover { border-color: var(--text-secondary); }
.icon-option.selected { border-color: var(--accent); background: var(--accent-bg); }

/* Skill Detail Modal */
.skill-detail-modal { width: 90vw; max-width: 700px; padding: 24px; }

/* API Keys Modal */
.apikeys-modal { width: 90vw; max-width: 600px; }
.apikeys-body { padding: 20px 24px; }
.apikeys-body > p { margin-bottom: 16px; }

.apikey-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  margin-top: 12px;
}
.apikey-info { flex: 1; }
.apikey-name { font-weight: 600; font-size: .9rem; margin-bottom: 2px; }
.apikey-value {
  font-family: var(--font-mono); font-size: .8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.apikey-actions { display: flex; gap: 6px; }

/* ===== Toast ===== */
.toast-container {
  position: fixed; top: 72px; right: 20px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: .85rem;
  animation: toastIn .3s ease;
  min-width: 280px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
.toast-close {
  margin-left: auto;
  background: transparent; border: none;
  color: var(--text-muted); cursor: pointer;
  font-size: 1rem; padding: 0 4px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stats-row, .monitor-overview { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .docs-nav-group { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
  .docs-nav-group h4 { margin: 0 8px 0 0; }
  .test-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .top-bar-inner { padding: 0 12px; }
  .top-bar-center { display: none; }
  .main-nav { display: none; }
  .app-body { padding: 16px 12px 64px; }
  .stats-row, .monitor-overview { grid-template-columns: 1fr; }
  .skills-grid, .market-grid { grid-template-columns: 1fr; }
  .view-header { flex-direction: column; gap: 12px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .param-item { grid-template-columns: 1fr; }
  .logic-options { grid-template-columns: 1fr; }
  .skill-editor-modal { width: 98vw; }
}

/* ===== Loading spinner ===== */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Scrollbar for code ===== */
.code-block::-webkit-scrollbar { height: 6px; }

/* ===== Pulse animation for status dot ===== */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.status-dot.active { background: var(--success); animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ===== Auth Overlay ===== */
.auth-overlay {
  position: fixed; inset: 0;
  z-index: 10000;
  display: none;
  background: var(--bg-primary);
}
.auth-overlay.open { display: flex; }

.auth-container {
  display: flex;
  width: 100%;
  height: 100%;
}

/* Auth Brand (Left) */
.auth-brand {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f0c29 0%, #1a1046 40%, #302b63 70%, #24243e 100%);
  position: relative;
  overflow: hidden;
}
.auth-brand::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(99,102,241,.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139,92,246,.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(99,102,241,.05) 0%, transparent 70%);
  pointer-events: none;
}
.auth-brand::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.auth-brand-inner {
  position: relative;
  z-index: 1;
  padding: 40px;
  max-width: 420px;
  color: #e6edf3;
}
.auth-brand-logo { margin-bottom: 16px; }
.auth-brand-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-brand-subtitle {
  font-size: 1rem;
  color: #8b949e;
  margin-bottom: 36px;
}

.auth-features { display: flex; flex-direction: column; gap: 20px; }
.auth-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.auth-feature-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(99,102,241,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.auth-feature-item strong {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: #e6edf3;
}
.auth-feature-item p {
  font-size: .78rem;
  color: #6e7681;
  margin: 0;
  line-height: 1.4;
}

/* Auth Form (Right) */
.auth-form-section {
  width: 480px;
  min-width: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-primary);
  overflow-y: auto;
}
.auth-form-wrapper {
  width: 100%;
  max-width: 380px;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-primary);
}
.auth-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.auth-tab:hover { color: var(--text-primary); }
.auth-tab.active {
  color: #fff;
  background: var(--accent);
}

/* Auth Forms */
.auth-form { display: none; }
.auth-form.active { display: block; animation: fadeIn .3s ease; }

.auth-form-field { margin-bottom: 18px; }
.auth-form-field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: .85rem;
  color: var(--text-primary);
}

.auth-input-wrapper {
  position: relative;
}
.auth-input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.auth-input-wrapper input {
  padding-left: 38px;
  padding-right: 12px;
  height: 42px;
  font-size: .9rem;
  border-radius: var(--radius);
  background: var(--bg-primary);
}
.auth-input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.auth-password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: color var(--transition);
}
.auth-password-toggle:hover { color: var(--text-primary); }

.auth-hint {
  display: block;
  margin-top: 4px;
  font-size: .72rem;
  color: var(--text-muted);
}

/* Password Strength */
.auth-password-strength {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--border-primary);
  border-radius: 2px;
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width .3s ease, background .3s ease;
}
.strength-fill.weak { width: 33%; background: var(--danger); }
.strength-fill.medium { width: 66%; background: var(--warning); }
.strength-fill.strong { width: 100%; background: var(--success); }
.strength-text {
  font-size: .72rem;
  font-weight: 500;
  min-width: 40px;
}
.strength-text.weak { color: var(--danger); }
.strength-text.medium { color: var(--warning); }
.strength-text.strong { color: var(--success); }

/* Auth Form Options */
.auth-form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: .82rem;
}
.auth-checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  cursor: pointer;
}
.auth-checkbox-label input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent);
}
.auth-link {
  color: var(--accent);
  font-size: .82rem;
}
.auth-link:hover { text-decoration: underline; }

/* Auth Submit Button */
.auth-submit-btn {
  height: 44px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius);
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  color: var(--text-muted);
  font-size: .78rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-primary);
}

/* Social Buttons */
.auth-social-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.auth-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: .85rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.auth-social-btn:hover {
  border-color: var(--text-secondary);
  background: var(--bg-hover);
  transform: translateY(-1px);
}
.github-btn:hover { border-color: #8b949e; }
.google-btn:hover { border-color: #4285F4; }
.wechat-btn:hover { border-color: #07C160; }

/* Demo Hint */
.auth-demo-hint {
  text-align: center;
  margin-top: 16px;
}
.auth-demo-btn {
  color: var(--text-muted) !important;
  font-size: .82rem !important;
}
.auth-demo-btn:hover {
  color: var(--accent) !important;
}

/* Forgot Password */
.auth-back-link {
  margin-bottom: 20px;
}
.auth-back-link a {
  font-size: .85rem;
  color: var(--text-secondary);
}
.auth-back-link a:hover { color: var(--accent); }
.auth-form-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.auth-form-desc {
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* Auth Error Message */
.auth-error {
  padding: 10px 14px;
  background: var(--danger-bg);
  border: 1px solid rgba(239,68,68,.3);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: .82rem;
  margin-bottom: 16px;
  display: none;
  animation: fadeIn .2s ease;
}
.auth-error.show { display: block; }

.auth-success {
  padding: 10px 14px;
  background: var(--success-bg);
  border: 1px solid rgba(16,185,129,.3);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: .82rem;
  margin-bottom: 16px;
  display: none;
  animation: fadeIn .2s ease;
}
.auth-success.show { display: block; }

/* Auth Responsive */
@media (max-width: 900px) {
  .auth-brand { display: none; }
  .auth-form-section {
    width: 100%;
    min-width: auto;
    border-left: none;
  }
}

@media (max-width: 480px) {
  .auth-form-section { padding: 24px 16px; }
  .auth-form-wrapper { max-width: 100%; }
}