*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #f5f6f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #ebedf0;
  --text-primary: #1a1a2e;
  --text-secondary: #555770;
  --text-muted: #8e8ea0;
  --border: #d1d5db;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: #eef2ff;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
}

[data-theme="dark"] {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #252540;
  --text-primary: #e0e0ee;
  --text-secondary: #a0a0b8;
  --text-muted: #6e6e8a;
  --border: #2e2e4a;
  --accent: #818cf8;
  --accent-hover: #6366f1;
  --accent-light: #1e1e3a;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
}

[hidden] { display: none !important; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  font-family: var(--font);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: background 0.15s;
  font-size: 16px;
}
.btn-icon:hover { background: var(--bg-tertiary); }
.btn-lg { padding: 12px 28px; font-size: 16px; border-radius: 10px; }

/* Form elements */
input, select, textarea {
  font-family: var(--font);
  font-size: 14px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}
textarea { resize: vertical; font-family: var(--font-mono); }
label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

/* Layout */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 52px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.logo { font-size: 20px; font-weight: 800; color: var(--accent); }
.topbar-title { font-weight: 600; color: var(--text-primary); }

/* ============ LANDING ============ */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 52px);
  padding: 40px 20px;
  text-align: center;
}
.landing h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.landing .subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
}
.landing .features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  max-width: 700px;
  margin-top: 48px;
  width: 100%;
}
.feature-card {
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: left;
}
.feature-card h3 { font-size: 14px; margin-bottom: 4px; }
.feature-card p { font-size: 13px; color: var(--text-secondary); }

/* ============ DASHBOARD ============ */
.dashboard {
  display: grid;
  grid-template-columns: 360px 1fr;
  height: calc(100vh - 52px);
  overflow: hidden;
}

/* Request list panel */
.request-list-panel {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  overflow: hidden;
}
.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-title { font-weight: 600; font-size: 15px; }
.endpoint-url {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-all;
}
.endpoint-url .copy-btn {
  flex-shrink: 0;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 14px;
  padding: 2px;
}
.filter-bar {
  display: flex;
  gap: 6px;
}
.filter-bar select {
  padding: 4px 8px;
  font-size: 12px;
}
.filter-bar input {
  flex: 1;
  padding: 4px 8px;
  font-size: 12px;
}
.request-list {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}
.request-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.request-item:hover { background: var(--bg-tertiary); }
.request-item.active { background: var(--accent-light); border-left: 3px solid var(--accent); }
.request-method {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  min-width: 52px;
  text-align: center;
}
.method-GET { background: #dcfce7; color: #166534; }
.method-POST { background: #dbeafe; color: #1e40af; }
.method-PUT { background: #fef3c7; color: #92400e; }
.method-PATCH { background: #fce7f3; color: #9d174d; }
.method-DELETE { background: #fee2e2; color: #991b1b; }
.method-HEAD { background: #e0e7ff; color: #3730a3; }
.method-OPTIONS { background: #f3e8ff; color: #6b21a8; }
[data-theme="dark"] .method-GET { background: #14532d; color: #86efac; }
[data-theme="dark"] .method-POST { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .method-PUT { background: #451a03; color: #fcd34d; }
[data-theme="dark"] .method-PATCH { background: #500724; color: #f9a8d4; }
[data-theme="dark"] .method-DELETE { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .method-HEAD { background: #312e81; color: #a5b4fc; }
[data-theme="dark"] .method-OPTIONS { background: #3b0764; color: #d8b4fe; }
.request-info { flex: 1; min-width: 0; }
.request-path { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.request-meta { font-size: 11px; color: var(--text-muted); display: flex; gap: 8px; }
.request-count-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: auto;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-muted);
  text-align: center;
  gap: 8px;
}
.empty-state .icon { font-size: 36px; opacity: 0.5; }

/* Detail panel */
.detail-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}
.detail-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
}
.detail-header-left { display: flex; align-items: center; gap: 10px; }
.detail-actions { display: flex; gap: 6px; }
.detail-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.detail-tab {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: color 0.15s;
}
.detail-tab:hover { color: var(--text-primary); }
.detail-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.detail-content pre {
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  line-height: 1.6;
}
.header-table {
  width: 100%;
  border-collapse: collapse;
}
.header-table th, .header-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.header-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  background: var(--bg-tertiary);
}
.header-table td:first-child {
  font-family: var(--font-mono);
  white-space: nowrap;
  color: var(--accent);
}
.query-table { width: 100%; border-collapse: collapse; }
.query-table th, .query-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.query-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  background: var(--bg-tertiary);
}

/* ============ SETTINGS DRAWER ============ */
.settings-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.4);
}
.settings-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 420px;
  max-width: 90vw;
  z-index: 201;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.settings-header h2 { font-size: 16px; }
.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.settings-group { display: flex; flex-direction: column; gap: 6px; }
.settings-group label { margin-bottom: 2px; }
.settings-group input, .settings-group textarea, .settings-group select {
  width: 100%;
}
.settings-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.secret-token-display {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
}

/* ============ MY ENDPOINTS ============ */
.endpoints-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 20px;
}
.endpoints-page h1 {
  font-size: 24px;
  margin-bottom: 20px;
}
.endpoints-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.endpoints-table th, .endpoints-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.endpoints-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.endpoints-table tr:hover td { background: var(--bg-tertiary); }
.endpoints-table a { font-family: var(--font-mono); }

/* ============ REPLAY MODAL ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 560px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ============ TOAST ============ */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 10px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  animation: toastIn 0.2s ease;
  max-width: 320px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }

@keyframes toastIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ============ STATUS DOT ============ */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.connected { background: var(--success); }
.status-dot.disconnected { background: var(--danger); }

/* Connection banner */
.connection-banner {
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

/* New request flash */
@keyframes flash {
  0%, 100% { background: inherit; }
  50% { background: var(--accent-light); }
}
.request-item.flash { animation: flash 0.6s ease; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Mobile */
@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
  .detail-panel { display: none; }
  .detail-panel.mobile-visible {
    display: flex;
    position: fixed;
    inset: 0;
    top: 52px;
    z-index: 150;
  }
  .settings-drawer { width: 100%; }
  .landing h1 { font-size: 32px; }
  .landing .subtitle { font-size: 16px; }
  .landing .features { grid-template-columns: 1fr; }
}