/* MCP Gateway Dashboard — clean, modern dark theme */
:root {
  --bg: #0d1117;
  --bg-2: #161b22;
  --bg-3: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-2: #1f6feb;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --purple: #bc8cff;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}
.header h1 i { color: var(--accent); margin-right: 0.5rem; }
.subtitle { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.2rem; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.status-dot { font-size: 1.2rem; }
.status-dot.online { color: var(--green); }
.status-dot.offline { color: var(--red); }
.status-text { font-size: 0.85rem; color: var(--text-muted); }

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Hero */
.hero { margin-bottom: 2rem; }
.hero-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 50px;
  text-align: center;
}
.hero-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-url { font-size: 1.1rem; font-weight: 600; color: var(--accent); }
.hero-sub { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }
.hero-sub code { font-family: var(--mono); background: var(--bg-3); padding: 2px 6px; border-radius: 4px; }

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.tab {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-family: var(--sans);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab i { margin-right: 0.4rem; }

/* Tab Content */
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-content h2 { margin-bottom: 0.5rem; }
.tab-content h2 i { margin-right: 0.5rem; color: var(--accent); }
.muted { color: var(--text-muted); }
.muted.small { font-size: 0.8rem; }

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.tool-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s;
}
.tool-card:hover { border-color: var(--accent); }
.tool-name {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.tool-category {
  display: inline-block;
  background: var(--bg-3);
  color: var(--purple);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tool-desc { font-size: 0.9rem; color: var(--text); margin-bottom: 0.75rem; }
.tool-when { font-size: 0.8rem; color: var(--text-muted); }
.tool-when strong { color: var(--yellow); }
.tool-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.75rem;
}
.tool-keyword {
  background: var(--bg-3);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--mono);
}

/* Key Form */
.key-form, .key-gen { margin-bottom: 1.5rem; }
.key-form label, .key-gen label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.input-row {
  display: flex;
  gap: 0.5rem;
}
.input-row input {
  flex: 1;
}

/* Inputs */
input[type="text"], input[type="password"] {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
input:focus { border-color: var(--accent); }

/* Buttons */
.btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: var(--sans);
  transition: all 0.2s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--text-muted); }
.btn.primary {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
}
.btn.primary:hover { background: var(--accent); }
.btn-copy {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.btn-copy:hover { color: var(--accent); border-color: var(--accent); }

/* New Key Display */
.new-key {
  background: var(--bg-2);
  border: 1px solid var(--green);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}
.new-key.hidden { display: none; }
.new-key-header {
  color: var(--green);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.new-key-header i { margin-right: 0.5rem; }
.new-key-value {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.new-key-value code {
  font-family: var(--mono);
  font-size: 0.95rem;
  background: var(--bg-3);
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  word-break: break-all;
  flex: 1;
}

/* Keys List */
#keys-list { margin-top: 1rem; }
.key-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.key-item-name { font-family: var(--mono); font-size: 0.9rem; }
.key-item-meta { font-size: 0.8rem; color: var(--text-muted); }
.key-item .btn { font-size: 0.8rem; padding: 0.3rem 0.6rem; }

/* CLI Cards */
.cli-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.cli-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.cli-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cli-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}
.cli-icon.qwen { color: var(--accent); }
.cli-icon.claude { color: var(--purple); }
.cli-icon.codex { color: var(--green); }
.cli-icon.gemini { color: var(--yellow); }
.cli-card h3 { margin-bottom: 0.25rem; }

/* Config Output */
.config-output {
  margin-top: 2rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.config-output.hidden { display: none; }
.config-output h3 { margin-bottom: 0.25rem; }
.code-block {
  position: relative;
  margin-top: 1rem;
}
.code-block pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.code-block .btn-copy {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
}

/* Doc Sections */
.doc-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.doc-section:last-child { border-bottom: none; }
.doc-section h3 { margin-bottom: 0.75rem; }
.doc-section p { margin-bottom: 0.75rem; }
.doc-section a { color: var(--accent); }
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
.doc-table th, .doc-table td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.doc-table th { color: var(--text-muted); font-weight: 500; font-size: 0.8rem; text-transform: uppercase; }
.doc-table code { font-family: var(--mono); background: var(--bg-3); padding: 2px 6px; border-radius: 4px; font-size: 0.85rem; }

/* Loading */
.loading { color: var(--text-muted); text-align: center; padding: 2rem; }
.loading i { margin-right: 0.5rem; }

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
.footer a { color: var(--accent); text-decoration: none; }

/* Utility */
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .hero-card { flex-direction: column; text-align: center; }
  .tools-grid { grid-template-columns: 1fr; }
  .cli-grid { grid-template-columns: repeat(2, 1fr); }
  .tabs { overflow-x: auto; }
  .tab { font-size: 0.85rem; padding: 0.6rem 0.8rem; }
  .doc-table { font-size: 0.8rem; }
  .doc-table th, .doc-table td { padding: 0.4rem; }
}