/* public/styles.css */
:root {
  --bg-base: #0a0c12;
  --bg-elevated: #12151e;
  --bg-overlay: #1a1f2e;
  --bg-active: #2a2f3e;
  --border-subtle: #1e2330;
  --border-default: #2a2f3e;
  --border-strong: #3a4055;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-disabled: #475569;
  --accent-blue: #3b82f6;
  --accent-purple: #a78bfa;
  --accent-green: #4ade80;
  --accent-yellow: #fbbf24;
  --accent-red: #ef4444;
  --accent-pink: #f472b6;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-panel: 0 10px 40px rgba(0,0,0,0.4);
  --font-sans: -apple-system, "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-width: 1024px;
}

a { color: var(--accent-blue); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* App shell */
.app-shell { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: 200px;
  background: #0c0e14;
  border-right: 1px solid var(--border-subtle);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-brand {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding: 4px 8px;
}
.sidebar-search {
  background: var(--bg-overlay);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  margin-bottom: 16px;
  color: var(--text-tertiary);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}
.sidebar-search .kbd {
  background: var(--bg-active);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  padding: 8px 10px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-md);
  font-size: 13px;
}
.sidebar-nav a:hover { background: var(--bg-overlay); color: var(--text-primary); }
.sidebar-nav a.active {
  background: var(--bg-overlay);
  color: var(--text-primary);
}
.sidebar-footer { margin-top: auto; }

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.page-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.page-title { font-size: 16px; font-weight: 600; }
.page-subtitle { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.page-body { flex: 1; overflow-y: auto; padding: 20px 24px; }

/* Cards */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
}
.stat-card .label { font-size: 10px; color: var(--text-tertiary); text-transform: uppercase; }
.stat-card .value { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-top: 4px; }
.stat-card .delta { font-size: 10px; margin-top: 4px; }
.stat-card .delta.up { color: var(--accent-red); }
.stat-card .delta.down { color: var(--accent-green); }

/* Filter bar */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filter-chip {
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 5px 10px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
}
.filter-chip.active { color: var(--text-primary); border-color: var(--accent-blue); }
.filter-search {
  flex: 1;
  min-width: 200px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  color: var(--text-primary);
  font-size: 12px;
}
.filter-search:focus { outline: none; border-color: var(--accent-blue); }

/* Log list */
.log-grid {
  display: grid;
  grid-template-columns: 80px 100px 1fr 60px 70px 80px;
  align-items: center;
}
.log-header {
  padding: 8px 16px;
  background: #0c0e14;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 1;
}
.log-row {
  padding: 10px 16px;
  border-bottom: 1px solid var(--bg-elevated);
  font-size: 12px;
  cursor: pointer;
}
.log-row:hover { background: var(--bg-overlay); }
.log-row.selected { background: var(--bg-overlay); border-left: 2px solid var(--accent-blue); }
.log-row.error-row { background: rgba(239,68,68,0.04); }
.log-row .mono { font-family: var(--font-mono); }

.tag { padding: 2px 6px; border-radius: 3px; font-size: 10px; font-family: var(--font-mono); width: fit-content; }
.tag-model-claude { background: #1e3a5f; color: #93c5fd; }
.tag-model-openai { background: #1a3a2f; color: #6ee7b7; }
.tag-model-deepseek { background: #2a1f3e; color: #c4b5fd; }
.tag-model-default { background: #334155; color: #cbd5e1; }
.tag-status-ok { color: var(--accent-green); }
.tag-status-err { color: var(--accent-red); }

/* Side panel */
.side-panel-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 50;
}
.side-panel {
  position: fixed;
  right: 0; top: 0;
  height: 100vh;
  width: 480px;
  background: var(--bg-base);
  border-left: 1px solid var(--border-subtle);
  z-index: 51;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-panel);
  transform: translateX(100%);
  transition: transform 0.18s ease;
}
.side-panel.open { transform: translateX(0); }
.side-panel-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.side-panel-body { flex: 1; overflow-y: auto; padding: 16px; }

/* JSON viewer */
.json-viewer {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.json-key { color: #93c5fd; }
.json-string { color: #6ee7b7; }
.json-number { color: #fbbf24; }
.json-bool { color: #c084fc; }

/* Realtime pulse */
.realtime-pulse {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74,222,128,0.7); }
  70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
}

/* Spinner (loading indicator for buttons) */
.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--border-default);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
button:disabled, .filter-chip:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Login */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.login-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 40px;
  width: 360px;
}
.login-input {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 16px;
}
.login-input:focus { outline: none; border-color: var(--accent-blue); }
.login-button {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-lg);
  border: none;
  background: var(--accent-blue);
  color: white;
  font-size: 14px;
}
.login-error {
  color: var(--accent-red);
  font-size: 12px;
  text-align: center;
  margin-top: 12px;
  display: none;
}
.login-error.show { display: block; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-active); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* Command Palette */
.cmdk-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 100px;
  animation: cmdk-fade 0.15s ease;
}
@keyframes cmdk-fade { from { opacity: 0; } to { opacity: 1; } }

.cmdk-panel {
  width: 600px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 480px;
  animation: cmdk-slide 0.15s ease;
}
@keyframes cmdk-slide { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.cmdk-input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 16px;
  padding: 16px 20px;
  outline: none;
  border-bottom: 1px solid var(--border-subtle);
}
.cmdk-input::placeholder { color: var(--text-tertiary); }

.cmdk-list { overflow-y: auto; flex: 1; }

.cmdk-section {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  padding: 12px 20px 4px;
  letter-spacing: 0.5px;
}

.cmdk-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
}
.cmdk-item.selected { background: var(--bg-overlay); }
.cmdk-item .icon { width: 18px; text-align: center; opacity: 0.8; }
.cmdk-item .meta { margin-left: auto; font-size: 11px; color: var(--text-tertiary); font-family: var(--font-mono); }
.cmdk-item .kbd {
  background: var(--bg-active); padding: 1px 6px; border-radius: 3px;
  font-size: 10px; color: var(--text-secondary);
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 0%, var(--bg-overlay) 50%, var(--bg-elevated) 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 36px; margin-bottom: 12px; opacity: 0.6; }
.empty-state .title { font-size: 14px; margin-bottom: 6px; color: var(--text-primary); }
.empty-state .desc { font-size: 12px; color: var(--text-tertiary); max-width: 400px; margin: 0 auto; line-height: 1.7; }

/* Page transitions */
.main > * { animation: page-fade 0.15s ease; }
@keyframes page-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

@keyframes toast-in {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}