:root {
  --bg: #f4f4f8;
  --surface: #ffffff;
  --surface2: #eeeef4;
  --border: #dcdce8;
  --accent: #6254e8;
  --accent2: #0fa87e;
  --danger: #e8364e;
  --text: #1a1a2e;
  --muted: #8888a0;
  --font-mono: 'JetBrains Mono', monospace;
  --font-ui: 'Syne', sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface2: #1a1a24;
  --border: #2a2a3a;
  --accent: #7c6af7;
  --accent2: #3eeac8;
  --danger: #f7516a;
  --text: #e8e8f0;
  --muted: #6b6b80;
  color-scheme: dark;
}

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

html {
  height: 100%;
}

body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
  transition: background 0.2s, color 0.2s;
}

/* ── Header ──────────────────────────────────────────────────────────── */

header {
  flex: 0 0 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.logo {
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--text);
}

.logo span { color: var(--accent); }

.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 600;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.ws-status {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.ws-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.3s;
}

.ws-dot.connected {
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
}

.btn-theme {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: all 0.2s;
}

.btn-theme:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  transition: all 0.2s;
}

.btn-clear:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ── Main area ───────────────────────────────────────────────────────── */

.main {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────── */

.sidebar {
  flex: 0 0 360px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.sidebar-header {
  flex: 0 0 auto;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#req-count {
  background: var(--surface2);
  padding: 2px 8px;
  border-radius: 100px;
  color: var(--accent);
  font-size: 11px;
}

#request-list {
  flex: 1 1 0;
  overflow-y: auto;
  min-height: 0;
}

#request-list::-webkit-scrollbar { width: 4px; }
#request-list::-webkit-scrollbar-track { background: transparent; }
#request-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── Request list items ──────────────────────────────────────────────── */

.req-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: start;
}

.req-item:hover { background: var(--surface2); }

.req-item.active {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-left: 2px solid var(--accent);
}

.req-item.new-flash { animation: flash 0.5s ease; }

@keyframes flash {
  0%   { background: color-mix(in srgb, var(--accent2) 25%, transparent); }
  100% { background: transparent; }
}

.method-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  min-width: 44px;
  text-align: center;
}

.GET    { background: color-mix(in srgb, #0fa87e 15%, transparent); color: #0a8060; border: 1px solid color-mix(in srgb, #0fa87e 30%, transparent); }
.POST   { background: color-mix(in srgb, #6254e8 15%, transparent); color: #6254e8; border: 1px solid color-mix(in srgb, #6254e8 30%, transparent); }
.PUT    { background: color-mix(in srgb, #d07010 15%, transparent); color: #d07010; border: 1px solid color-mix(in srgb, #d07010 30%, transparent); }
.PATCH  { background: color-mix(in srgb, #b09010 15%, transparent); color: #b09010; border: 1px solid color-mix(in srgb, #b09010 30%, transparent); }
.DELETE { background: color-mix(in srgb, #e8364e 15%, transparent); color: #e8364e; border: 1px solid color-mix(in srgb, #e8364e 30%, transparent); }

[data-theme="dark"] .GET    { color: #3eeac8; }
[data-theme="dark"] .POST   { color: #7c6af7; }
[data-theme="dark"] .PUT    { color: #f7a851; }
[data-theme="dark"] .PATCH  { color: #f7e251; }
[data-theme="dark"] .DELETE { color: #f7516a; }

.req-path {
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.req-time {
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.req-client {
  font-size: 10px;
  color: var(--muted);
  grid-column: 2;
}

/* ── Empty state ─────────────────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--muted);
  padding: 32px;
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  opacity: 0.3;
}

.empty-state p { font-size: 13px; line-height: 1.6; }

.endpoint-hint {
  font-size: 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--accent2);
  word-break: break-all;
}

/* ── Detail panel ────────────────────────────────────────────────────── */

.detail {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail::-webkit-scrollbar { width: 4px; }
.detail::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.no-selection {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--muted);
  font-size: 14px;
  flex-direction: column;
  gap: 8px;
}

.no-selection-icon {
  font-size: 48px;
  opacity: 0.15;
}

/* ── Sections ────────────────────────────────────────────────────────── */

.section {
  flex: 0 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.section-title {
  padding: 10px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-body {
  padding: 16px;
  font-size: 13px;
  line-height: 1.7;
}

/* ── Meta grid ───────────────────────────────────────────────────────── */

.meta-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 16px;
  font-size: 13px;
}

.meta-key { color: var(--muted); }
.meta-val { color: var(--text); word-break: break-all; }

/* ── Key-value table ─────────────────────────────────────────────────── */

table.kv {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

table.kv tr { border-bottom: 1px solid var(--border); }
table.kv tr:last-child { border-bottom: none; }
table.kv td { padding: 7px 8px; vertical-align: top; }
table.kv td:first-child { color: var(--muted); width: 40%; word-break: break-all; }
table.kv td:last-child  { color: var(--accent2); word-break: break-all; }

/* ── Code block ──────────────────────────────────────────────────────── */

pre.code {
  background: var(--bg);
  border-radius: 6px;
  padding: 14px;
  font-size: 12px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
  margin: 0;
}

pre.code::-webkit-scrollbar { height: 4px; }
pre.code::-webkit-scrollbar-thumb { background: var(--border); }

/* ── Buttons & tags ──────────────────────────────────────────────────── */

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  transition: all 0.15s;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tag {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 100px;
  background: color-mix(in srgb, var(--accent2) 15%, transparent);
  color: var(--accent2);
  border: 1px solid color-mix(in srgb, var(--accent2) 25%, transparent);
}