/* ============================================
   NexusAI Gateway - Dark Theme CSS
   ============================================ */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-tertiary: #242736;
  --bg-card: #1e2130;
  --bg-input: #2a2d3e;
  --bg-hover: #2f3245;
  --border-color: #2e3144;
  --border-light: #3a3d52;
  --text-primary: #e8eaed;
  --text-secondary: #9ca0b0;
  --text-muted: #6b7084;
  --accent: #6c5ce7;
  --accent-hover: #7c6ff0;
  --accent-secondary: #00b4d8;
  --success: #00c853;
  --success-bg: rgba(0, 200, 83, 0.12);
  --warning: #ffd600;
  --warning-bg: rgba(255, 214, 0, 0.12);
  --error: #ff1744;
  --error-bg: rgba(255, 23, 68, 0.12);
  --info: #448aff;
  --info-bg: rgba(68, 138, 255, 0.12);
  --gold: #ffd700;
  --silver: #c0c0c0;
  --bronze: #cd7f32;
  --sidebar-width: 280px;
  --header-height: 56px;
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
code { font-family: var(--font-mono); font-size: 0.9em; background: var(--bg-tertiary); padding: 2px 6px; border-radius: var(--radius-sm); }
pre { font-family: var(--font-mono); }
ul { list-style: none; }
img { max-width: 100%; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; color: var(--text-primary); }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

/* ============================================
   LAYOUT
   ============================================ */
.app-layout { display: flex; min-height: 100vh; }
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.content-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}
.content-body { padding: 24px 32px; flex: 1; }

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition);
}
.sidebar-header {
  padding: 20px 20px 12px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.sidebar-logo { font-size: 1.3rem; font-weight: 700; color: var(--accent); letter-spacing: -0.5px; }
.sidebar-subtitle { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.sidebar-nav { padding: 8px 0; flex: 1; }
.nav-section { margin-bottom: 4px; }
.nav-section-title {
  display: block;
  padding: 8px 20px 4px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active, .nav-item[aria-current="page"] {
  background: var(--bg-tertiary);
  color: var(--accent);
  border-left-color: var(--accent);
}
.nav-icon { font-size: 0.9rem; width: 20px; text-align: center; }
.mobile-menu-btn { display: none; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
.sidebar::-webkit-scrollbar { width: 4px; }

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow); }
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.card-header h3 { margin: 0; }

/* ============================================
   TABLES
   ============================================ */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead { border-bottom: 2px solid var(--border-color); }
.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr.rank-1 { background: rgba(255, 215, 0, 0.04); }
.data-table tbody tr.rank-2 { background: rgba(192, 192, 192, 0.04); }
.data-table tbody tr.rank-3 { background: rgba(205, 127, 50, 0.04); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-light); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: var(--error); border-color: var(--error); color: #fff; }
.btn-danger:hover { background: #e6003b; border-color: #e6003b; }
.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 14px; display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.input, .select, .textarea {
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); }
.input-sm { padding: 4px 8px; font-size: 0.8rem; }
.select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }
.textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.help-text { font-size: 0.75rem; color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions { display: flex; gap: 8px; margin-top: 8px; }
.range { width: 100%; accent-color: var(--accent); }
.range-value { font-size: 0.8rem; color: var(--text-secondary); }
.file-input-row { display: flex; gap: 8px; align-items: center; }
.file-input-row .input { flex: 1; }
.checkbox-group { display: flex; flex-direction: column; gap: 6px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); cursor: pointer; }
.checkbox-label input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
.toggle-label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.toggle-text { font-size: 0.85rem; color: var(--text-secondary); }
.search-bar { max-width: 320px; }

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 100px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-success { background: var(--success-bg); color: var(--success); border-color: transparent; }
.badge-warning { background: var(--warning-bg); color: var(--warning); border-color: transparent; }
.badge-error { background: var(--error-bg); color: var(--error); border-color: transparent; }
.badge-info { background: var(--info-bg); color: var(--info); border-color: transparent; }

/* ============================================
   STATUS INDICATOR
   ============================================ */
.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-indicator.green { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-indicator.yellow { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.status-indicator.red { background: var(--error); box-shadow: 0 0 6px var(--error); }
.status-indicator.gray { background: var(--text-muted); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-dot.idle { background: var(--text-muted); }
.status-dot.connected { background: var(--success); }
.status-dot.error { background: var(--error); }

/* ============================================
   MODAL
   ============================================ */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  backdrop-filter: blur(4px);
}
.modal-backdrop-inner {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
}
.modal-container { position: fixed; z-index: 201; }
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 202;
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  z-index: 2;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.modal-lg { max-width: 680px; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h3 { margin: 0; }
.modal-body { padding: 20px; }

/* ============================================
   TOAST
   ============================================ */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 400px;
  animation: toastIn 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}
.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--error); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
.toast.toast-info { border-left: 3px solid var(--info); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(20px); } }

/* ============================================
   TABS
   ============================================ */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border-color); }
.tab-btn {
  padding: 8px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ============================================
   COLLAPSIBLE SECTIONS
   ============================================ */
.collapsible { cursor: pointer; user-select: none; }
.collapsible:hover { opacity: 0.8; }
.collapse-icon { transition: transform var(--transition); font-size: 0.7rem; }
.collapsible.open .collapse-icon { transform: rotate(180deg); }
.section-body { padding-top: 12px; }

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 0 0;
  border-top: 1px solid var(--border-color);
  margin-top: 12px;
}
.pagination-info { margin-left: auto; font-size: 0.8rem; color: var(--text-muted); }

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.htmx-indicator { opacity: 0; transition: opacity 0.2s; }
.htmx-request .htmx-indicator { opacity: 1; }
.htmx-request.htmx-indicator { opacity: 1; }

/* ============================================
   STAT CARDS
   ============================================ */
.stat-cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { display: flex; align-items: center; gap: 16px; }
.stat-card-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  flex-shrink: 0;
}
.stat-card-body { display: flex; flex-direction: column; }
.stat-card-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-card-change { font-size: 0.72rem; font-weight: 600; }
.stat-card-change.up { color: var(--success); }
.stat-card-change.down { color: var(--error); }

/* ============================================
   ANALYTICS
   ============================================ */
.analytics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pie-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.pie-label { width: 80px; font-size: 0.8rem; color: var(--text-secondary); flex-shrink: 0; }
.pie-bar-track { flex: 1; height: 20px; background: var(--bg-tertiary); border-radius: 10px; overflow: hidden; }
.pie-bar-fill { height: 100%; border-radius: 10px; transition: width 0.6s ease; }
.pie-value { width: 40px; text-align: right; font-size: 0.8rem; color: var(--text-muted); }
.hourly-bars { display: flex; align-items: flex-end; gap: 4px; height: 160px; padding-top: 10px; }
.hourly-bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; height: 100%; }
.hourly-bar { width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 4px; transition: height 0.6s ease; opacity: 0.8; }
.hourly-bar:hover { opacity: 1; }
.hourly-label { font-size: 0.65rem; color: var(--text-muted); }
.forecast-data { display: flex; flex-direction: column; gap: 10px; }
.forecast-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-color); }
.forecast-item:last-child { border-bottom: none; }
.forecast-label { font-size: 0.85rem; color: var(--text-secondary); }
.forecast-value { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.forecast-value.projected { color: var(--accent); }
.trending-list { display: flex; flex-direction: column; gap: 8px; }
.trending-item { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border-color); }
.trending-item:last-child { border-bottom: none; }
.trending-rank { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; background: var(--bg-tertiary); border-radius: 50%; font-size: 0.75rem; font-weight: 700; color: var(--text-muted); }
.trending-model { flex: 1; font-size: 0.85rem; color: var(--text-primary); }
.trending-change { font-size: 0.78rem; font-weight: 600; }
.trending-change.up { color: var(--success); }
.trending-change.down { color: var(--error); }

/* ============================================
   PROVIDER CARDS
   ============================================ */
.provider-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.provider-card {  }
.provider-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.provider-card-header h3 { font-size: 1.05rem; flex: 1; }
.uptime-badge { font-size: 0.72rem; color: var(--text-muted); background: var(--bg-tertiary); padding: 2px 8px; border-radius: 100px; }
.provider-stats { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.provider-stat { display: flex; justify-content: space-between; font-size: 0.82rem; }
.provider-stat-label { color: var(--text-muted); }
.provider-stat-value { color: var(--text-secondary); font-weight: 500; }
.provider-stat-value.healthy { color: var(--success); }
.provider-stat-value.degraded { color: var(--warning); }
.provider-stat-value.down { color: var(--error); }
.provider-actions { display: flex; gap: 8px; }
.providers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.provider-details, .webhook-details { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.provider-detail, .webhook-detail { display: flex; flex-direction: column; gap: 2px; }
.detail-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.detail-value { font-size: 0.85rem; color: var(--text-secondary); }
.preset-params { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; }
.param-row { display: flex; justify-content: space-between; font-size: 0.82rem; padding: 4px 0; }
.param-label { color: var(--text-muted); }
.param-value { color: var(--text-secondary); font-weight: 500; }
.preset-system-prompt { margin-bottom: 12px; }
.prompt-preview { font-size: 0.82rem; color: var(--text-muted); font-style: italic; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.presets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

/* ============================================
   TOGGLE SWITCH
   ============================================ */
.toggle-switch { position: relative; display: inline-block; width: 40px; height: 22px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-tertiary);
  border-radius: 22px;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 2px; bottom: 2px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: var(--transition);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); background: #fff; }

/* ============================================
   WEBHOOKS
   ============================================ */
.webhook-card {  }
.webhook-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.webhook-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ============================================
   CHAT / PLAYGROUND
   ============================================ */
.playground-content { min-height: 400px; }
.chat-messages { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; max-height: 500px; overflow-y: auto; padding: 12px; background: var(--bg-primary); border-radius: var(--radius); border: 1px solid var(--border-color); }
.message { display: flex; flex-direction: column; gap: 4px; }
.message-role { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); }
.message-content { font-size: 0.9rem; line-height: 1.6; color: var(--text-primary); padding: 10px 14px; border-radius: var(--radius); background: var(--bg-card); border: 1px solid var(--border-color); }
.message.assistant .message-content { border-left: 3px solid var(--accent); }
.message.user .message-content { border-left: 3px solid var(--accent-secondary); }
.chat-controls { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 10px; flex-wrap: wrap; }
.chat-params { display: flex; gap: 16px; align-items: center; }
.chat-input-row { display: flex; gap: 8px; align-items: flex-end; }
.chat-input { flex: 1; }
.send-btn { height: fit-content; }
.jsonl-textarea { font-family: var(--font-mono); font-size: 0.8rem; }

/* ============================================
   REALTIME
   ============================================ */
.realtime-page { display: grid; grid-template-columns: 1fr 300px; gap: 20px; }
.realtime-controls { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.realtime-mic-btn { display: flex; align-items: center; gap: 8px; padding: 12px 24px; font-size: 1rem; }
.mic-icon { font-size: 1.2rem; }
.realtime-status { display: flex; align-items: center; gap: 8px; }
.realtime-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.realtime-transcript { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 16px; min-height: 200px; max-height: 400px; overflow-y: auto; }
.transcript-placeholder { color: var(--text-muted); font-style: italic; }
.realtime-sidebar { display: flex; flex-direction: column; gap: 16px; }
.realtime-sidebar .card { margin-bottom: 0; }
.session-history { display: flex; flex-direction: column; gap: 8px; }
.session-item { display: flex; justify-content: space-between; padding: 8px 10px; border-radius: var(--radius); cursor: pointer; transition: background var(--transition); }
.session-item:hover { background: var(--bg-hover); }
.session-item.active { background: var(--bg-tertiary); }
.session-date { font-size: 0.8rem; color: var(--text-secondary); }
.session-duration { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================
   CONVERSATIONS
   ============================================ */
.conversations-layout { display: grid; grid-template-columns: 320px 1fr; gap: 16px; min-height: 600px; }
.conversations-sidebar .card { margin-bottom: 0; height: 100%; display: flex; flex-direction: column; }
.session-list { flex: 1; overflow-y: auto; margin-top: 8px; }
.session-preview { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.session-title { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.session-snippet { font-size: 0.75rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-time { font-size: 0.7rem; color: var(--text-muted); flex-shrink: 0; }
.conversation-detail { display: flex; flex-direction: column; }
.conversation-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); }
.message-list { display: flex; flex-direction: column; gap: 12px; flex: 1; overflow-y: auto; }
.message-row { display: flex; }
.message-row.user { justify-content: flex-end; }
.message-row.assistant { justify-content: flex-start; }
.message-row.system { justify-content: center; }
.message-bubble { max-width: 75%; padding: 12px 16px; border-radius: var(--radius-lg); font-size: 0.85rem; line-height: 1.5; }
.user-bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.assistant-bubble { background: var(--bg-tertiary); color: var(--text-primary); border-bottom-left-radius: 4px; border: 1px solid var(--border-color); }
.system-bubble { background: var(--warning-bg); color: var(--warning); border: 1px solid transparent; font-size: 0.8rem; max-width: 100%; text-align: center; }
.message-meta { display: flex; justify-content: space-between; margin-bottom: 4px; }
.message-role-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; opacity: 0.8; }
.message-time { font-size: 0.68rem; opacity: 0.7; }
.message-text { word-break: break-word; }
.message-tokens { font-size: 0.68rem; margin-top: 6px; opacity: 0.6; }

/* ============================================
   INTEGRATION / DOCS
   ============================================ */
.endpoint-card { margin-bottom: 20px; }
.endpoint-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.endpoint-method { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--radius-sm); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.endpoint-method.post { background: var(--info-bg); color: var(--info); }
.endpoint-method.get { background: var(--success-bg); color: var(--success); }
.endpoint-path { font-size: 0.85rem; }
.code-block-wrapper { position: relative; margin-top: 8px; }
.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-primary);
}
.code-block code { background: none; padding: 0; font-size: inherit; }
.copy-btn { position: absolute; top: 8px; right: 8px; opacity: 0.7; }
.copy-btn:hover { opacity: 1; }
.docs-content { max-width: 860px; }
.doc-section { margin-bottom: 12px; }
.doc-section .section-body { padding: 16px; }
.doc-section .section-body h4 { margin: 16px 0 6px; }
.doc-section .section-body h4:first-child { margin-top: 0; }
.doc-section .section-body p { margin-bottom: 10px; color: var(--text-secondary); font-size: 0.85rem; line-height: 1.6; }
.doc-section .section-body ul { margin: 8px 0; padding-left: 20px; }
.doc-section .section-body ul li { list-style: disc; margin-bottom: 4px; font-size: 0.85rem; color: var(--text-secondary); }

/* ============================================
   FILTER ROW
   ============================================ */
.filter-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.filter-row .form-group { margin-bottom: 0; min-width: 140px; flex: 1; max-width: 200px; }
.filter-actions { display: flex; gap: 8px; margin-bottom: 16px; }

/* ============================================
   LATENCY / MEDALS
   ============================================ */
.rank-cell { text-align: center; }
.medal { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; font-size: 0.72rem; font-weight: 700; }
.medal.gold { background: var(--gold); color: #000; }
.medal.silver { background: var(--silver); color: #000; }
.medal.bronze { background: var(--bronze); color: #fff; }

/* ============================================
   CONFIG BACKUP
   ============================================ */
.backup-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.json-preview { margin: 12px 0; }
.json-preview .code-block { max-height: 300px; overflow-y: auto; }

/* ============================================
   BATCH PAGE
   ============================================ */
.batch-form .jsonl-textarea { min-height: 200px; }

/* ============================================
   ADMIN
   ============================================ */
.admin-sections { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.admin-section { padding: 0; }
.admin-section .section-header { padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; }
.admin-section .section-body { padding: 0 20px 20px; }
.admin-section .form-group { max-width: 400px; }

/* ============================================
   CACHE PAGE
   ============================================ */
.cache-actions { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 16px; }
.cache-status { margin-top: 8px; }

/* ============================================
   HEALTH PAGE
   ============================================ */
.health-actions { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }

/* ============================================
   FINETUNE PAGE
   ============================================ */
.finetuning-form { max-width: 600px; }

/* ============================================
   STATUS PAGE
   ============================================ */
.status-page .provider-cards { margin-top: 0; }

/* ============================================
   ADMIN / PASSWORD
   ============================================ */
.password-form { max-width: 400px; }

/* ============================================
   EMPTY STATE (htmx)
   ============================================ */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 2rem; margin-bottom: 12px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .analytics-grid { grid-template-columns: 1fr; }
  .backup-grid { grid-template-columns: 1fr; }
  .conversations-layout { grid-template-columns: 1fr; }
  .realtime-page { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .mobile-menu-btn { display: inline-flex; }
  .content-header { padding: 12px 16px; }
  .content-body { padding: 16px; }
  .stat-cards-row { grid-template-columns: 1fr 1fr; }
  .provider-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .filter-row .form-group { min-width: 100%; max-width: 100%; }
  .realtime-stats { grid-template-columns: 1fr 1fr; }
  .presets-grid { grid-template-columns: 1fr; }
  .providers-grid { grid-template-columns: 1fr; }
  .cache-actions { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stat-cards-row { grid-template-columns: 1fr; }
  .realtime-stats { grid-template-columns: 1fr; }
  .chat-params { flex-direction: column; align-items: stretch; }
  .modal-content { width: 96%; }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .card { break-inside: avoid; box-shadow: none; }
}