/* ============================================================================
   ERGENEKON UI — Time-Travel Debugger Premium Design System
   Glassmorphism + micro-animations + premium typography — Phase 1 Upgrade
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #050508;
  --bg-secondary: #0b0c12;
  --bg-tertiary: #12141c;
  --bg-hover: #191c28;
  --bg-active: rgba(99, 102, 241, 0.08);
  --bg-glass: rgba(8, 10, 16, 0.88);

  --border: rgba(255, 255, 255, 0.06);
  --border-active: #6366f1;
  --border-glow: rgba(99, 102, 241, 0.3);

  --text-primary: #eaecf0;
  --text-secondary: #8891a4;
  --text-muted: #505872;

  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --accent-orange: #f59e0b;
  --accent-purple: #a78bfa;
  --accent-cyan: #22d3ee;
  --accent-pink: #ec4899;

  --gradient-brand: linear-gradient(135deg, #00fff7 0%, #6366f1 40%, #8b5cf6 70%, #00ff88 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(99,102,241,0.15);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Header (Glassmorphism) ──────────────────────────────────── */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  height: 52px;
  flex-shrink: 0;
  z-index: 10;
}

.header-left { display: flex; align-items: center; gap: 14px; }
.header-right { display: flex; align-items: center; gap: 10px; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.logo-glow {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00fff7, #6366f1);
  filter: blur(18px);
  opacity: 0.25;
  left: -6px; top: -8px;
  animation: logoGlow 3s ease-in-out infinite alternate;
}
@keyframes logoGlow {
  from { opacity: 0.15; transform: scale(0.8); }
  to { opacity: 0.35; transform: scale(1.2); }
}
.logo-wolf {
  font-size: 22px;
  z-index: 1;
  filter: drop-shadow(0 0 8px rgba(0,220,210,0.7));
  animation: wolfPulse 2.4s ease-in-out infinite;
}
@keyframes wolfPulse {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(0,220,210,0.4)); }
  40%      { filter: drop-shadow(0 0 12px rgba(0,255,247,0.9)) drop-shadow(0 0 24px rgba(0,200,180,0.5)); }
  50%      { filter: drop-shadow(0 0 2px rgba(0,180,170,0.2)); opacity: 0.8; }
  60%      { filter: drop-shadow(0 0 12px rgba(0,255,247,0.9)) drop-shadow(0 0 24px rgba(0,200,180,0.5)); }
}
.logo-text {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 2.5px;
  background: linear-gradient(90deg, #00fff7, #8b5cf6, #00ff88, #00fff7);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoShift 4s linear infinite;
  z-index: 1;
}
@keyframes logoShift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}
.header-badge {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Live pulse */
.live-pulse {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.15);
}
.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 4px rgba(34,197,94,0); }
}
.pulse-label { font-size: 10px; font-weight: 700; color: var(--accent-green); letter-spacing: 1px; }

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
}
.btn:hover { background: var(--bg-hover); border-color: rgba(255,255,255,0.1); }
.btn-ghost { background: transparent; border-color: transparent; font-size: 14px; padding: 4px 8px; }
.btn-ghost:hover { background: var(--bg-hover); }
.btn-icon { padding: 4px 8px; font-size: 13px; }
.btn-play { color: var(--accent-green); }
.btn-copy { margin-left: auto; font-size: 12px; }

/* ── Tier Badge ──────────────────────────────────────────── */

.tier-badge {
  font-size: 9px;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.tier-community { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }
.tier-pro { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-glow); }
.tier-enterprise { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; box-shadow: 0 0 12px rgba(245,158,11,0.2); }

/* ── Upgrade Banner ──────────────────────────────────────── */

.upgrade-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  background: linear-gradient(90deg, rgba(99,102,241,0.06) 0%, transparent 100%);
  border-bottom: 1px solid rgba(99,102,241,0.1);
  font-size: 12px;
  flex-shrink: 0;
  animation: slideDown 0.3s ease;
}
@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.upgrade-icon { font-size: 16px; }
.upgrade-text { flex: 1; color: var(--text-secondary); }
.upgrade-text strong { color: var(--text-primary); }
.upgrade-btn {
  padding: 4px 14px; border-radius: 6px;
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: all 0.2s;
}
.upgrade-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,0.3); }
.upgrade-close { background: none; border: none; color: var(--text-muted); font-size: 16px; cursor: pointer; padding: 0 4px; }
.upgrade-close:hover { color: var(--text-primary); }

/* ── Layout ──────────────────────────────────────────────── */

.layout { display: flex; flex: 1; overflow: hidden; }
.panel { overflow: auto; }

/* ── Session Panel (Left) ────────────────────────────────── */

.panel-sessions {
  width: 300px; min-width: 260px;
  border-right: 1px solid var(--border);
  background: var(--bg-secondary);
  display: flex; flex-direction: column;
}
.panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.panel-header h2 { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; }
.count-badge { font-size: 10px; padding: 2px 8px; border-radius: 100px; background: var(--bg-tertiary); color: var(--text-secondary); font-weight: 600; }

.search-box { padding: 10px 12px; border-bottom: 1px solid var(--border); position: relative; }
.search-icon { position: absolute; left: 22px; top: 50%; transform: translateY(-50%); font-size: 12px; opacity: 0.4; }
.search-box input {
  width: 100%; padding: 7px 10px 7px 30px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-primary); color: var(--text-primary);
  font-size: 12px; font-family: var(--font-sans); outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(99,102,241,0.1); }
.search-box input::placeholder { color: var(--text-muted); }

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

/* ── Session Card (Redesigned) ───────────────────────────── */

.session-item {
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: all 0.15s;
  position: relative;
}
.session-item:hover { background: var(--bg-hover); }
.session-item.active {
  background: var(--bg-active);
  border-left: 3px solid var(--accent);
  box-shadow: inset 4px 0 12px rgba(99,102,241,0.06);
}
.session-item-top {
  display: flex; align-items: center; gap: 8px; margin-bottom: 6px;
}
.session-method {
  font-size: 9px; font-weight: 700; padding: 2px 5px; border-radius: 3px;
  font-family: var(--font-mono); letter-spacing: 0.3px; flex-shrink: 0;
}
.m-get    { background: rgba(99,102,241,0.15); color: #818cf8; }
.m-post   { background: rgba(34,197,94,0.15);  color: #4ade80; }
.m-put    { background: rgba(245,158,11,0.15); color: #fbbf24; }
.m-delete { background: rgba(239,68,68,0.15);  color: #f87171; }
.m-patch  { background: rgba(167,139,250,0.15);color: #c4b5fd; }

.session-path {
  font-size: 12px; font-weight: 500; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1;
}
.session-status-code {
  font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px;
  font-family: var(--font-mono); flex-shrink: 0;
}
.sc-2xx { background: rgba(34,197,94,0.12); color: #4ade80; }
.sc-3xx { background: rgba(34,211,238,0.12); color: #67e8f9; }
.sc-4xx { background: rgba(245,158,11,0.12); color: #fbbf24; }
.sc-5xx { background: rgba(239,68,68,0.15); color: #f87171; }

.session-item-meta {
  display: flex; gap: 8px; align-items: center;
  font-size: 10px; color: var(--text-muted);
}
.session-service-name { font-weight: 600; color: var(--text-secondary); }
.session-item-meta .error-dot { color: var(--accent-red); }

/* ── Main Panel ──────────────────────────────────────────── */

.panel-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.empty-main {
  flex: 1; display: flex; align-items: center; justify-content: center;
}
.empty-hero { text-align: center; }
.empty-icon-ring {
  width: 88px; height: 88px; margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,255,247,0.06), rgba(139,92,246,0.04));
  border: 1px solid rgba(0,255,247,0.12);
  display: flex; align-items: center; justify-content: center;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.empty-icon { font-size: 36px; filter: drop-shadow(0 0 8px rgba(0,220,210,0.5)); }
.empty-main h2 { color: var(--text-secondary); margin-bottom: 8px; font-size: 18px; }
.empty-main p { font-size: 13px; color: var(--text-muted); }
.empty-main code { background: var(--bg-tertiary); padding: 2px 8px; border-radius: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--accent-cyan); }
.hint { margin-top: 10px; }
.empty-shortcuts { display: flex; gap: 16px; justify-content: center; margin-top: 24px; }
.shortcut-hint { font-size: 11px; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.shortcut-hint kbd, .kb-row kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 20px; padding: 0 5px;
  border-radius: 4px; font-size: 10px; font-family: var(--font-mono);
  background: var(--bg-tertiary); border: 1px solid var(--border);
  color: var(--text-secondary); font-weight: 500;
}

.empty-state { padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px; }

/* Loading skeleton */
.loading-skeleton { padding: 0 16px; }
.skeleton-line {
  height: 12px; border-radius: 4px;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  margin-bottom: 12px;
}
.skeleton-line.short { width: 60%; }
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Session Detail ──────────────────────────────────────── */

.session-detail { display: flex; flex-direction: column; flex: 1; overflow: hidden; }
.session-header {
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.session-title-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.session-header h2 { font-size: 15px; font-weight: 600; }

/* Method badge in session header */
.method-badge {
  font-size: 11px; font-weight: 800; padding: 3px 8px; border-radius: 4px;
  font-family: var(--font-mono); letter-spacing: 0.5px; flex-shrink: 0;
}
.method-get    { background: rgba(99,102,241,0.15); color: #818cf8; }
.method-post   { background: rgba(34,197,94,0.15);  color: #4ade80; }
.method-put    { background: rgba(245,158,11,0.15); color: #fbbf24; }
.method-delete { background: rgba(239,68,68,0.15);  color: #f87171; }
.method-patch  { background: rgba(167,139,250,0.15);color: #c4b5fd; }

.session-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-size: 10px; padding: 2px 8px; border-radius: 4px;
  font-family: var(--font-mono); font-weight: 500;
}
.tag-service { background: rgba(99,102,241,0.1); color: var(--accent); border: 1px solid rgba(99,102,241,0.15); }
.tag-trace { background: rgba(167,139,250,0.08); color: var(--accent-purple); border: 1px solid rgba(167,139,250,0.12); }
.tag-duration { background: rgba(34,197,94,0.08); color: var(--accent-green); border: 1px solid rgba(34,197,94,0.12); }
.tag-events { background: rgba(245,158,11,0.08); color: var(--accent-orange); border: 1px solid rgba(245,158,11,0.12); }
.tag-status { font-weight: 700; }
.tag-status.s-2xx { background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.tag-status.s-4xx { background: rgba(245,158,11,0.1); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.tag-status.s-5xx { background: rgba(239,68,68,0.12); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }

/* ── Timeline ────────────────────────────────────────────── */

.timeline-container {
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.timeline-controls { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.timeline-pos { margin-left: 12px; font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); }
.timeline-legend {
  margin-left: auto; display: flex; align-items: center; gap: 10px;
  font-size: 9px; color: var(--text-muted); letter-spacing: 0.3px;
}
.legend-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  margin-right: 3px; vertical-align: middle;
}

.timeline-track {
  position: relative; height: 40px;
  background: var(--bg-primary); border-radius: var(--radius);
  cursor: pointer; overflow: hidden;
  border: 1px solid var(--border);
}
.timeline-progress {
  position: absolute; top: 0; left: 0; height: 100%;
  background: linear-gradient(90deg, rgba(99,102,241,0.10), rgba(99,102,241,0.03));
  border-radius: var(--radius); transition: width 0.1s;
}
.timeline-cursor {
  position: absolute; top: 0; width: 2px; height: 100%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
  transition: left 0.1s;
}
.timeline-marker {
  position: absolute; top: 4px; width: 4px; height: 32px;
  border-radius: 2px; opacity: 0.4; transition: all 0.15s;
  cursor: pointer;
}
.timeline-marker:hover { opacity: 1; transform: scaleY(1.08); box-shadow: 0 0 8px currentColor; }
.timeline-marker.type-http { background: var(--accent); }
.timeline-marker.type-db { background: var(--accent-green); }
.timeline-marker.type-random { background: var(--accent-orange); }
.timeline-marker.type-error { background: var(--accent-red); }
.timeline-marker.type-timer { background: var(--accent-purple); }
.timeline-marker.type-fs { background: var(--accent-orange); }
.timeline-marker.type-dns { background: var(--accent-cyan); }
.timeline-marker.type-other { background: var(--text-muted); }

.timeline-labels {
  display: flex; justify-content: space-between; margin-top: 4px;
  font-size: 9px; color: var(--text-muted); font-family: var(--font-mono);
}

/* ── Flow Graph ──────────────────────────────────────────── */

.flow-container { padding: 12px 20px; border-bottom: 1px solid var(--border); }
.flow-container h3 { font-size: 10px; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; }
.flow-graph { display: flex; align-items: center; gap: 0; padding: 6px 0; overflow-x: auto; }

.flow-node {
  padding: 8px 16px; border-radius: var(--radius-lg);
  border: 1px solid var(--border); background: var(--bg-tertiary);
  font-size: 11px; font-weight: 600; white-space: nowrap;
  cursor: pointer; transition: all 0.25s;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  position: relative;
}
.flow-node:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.flow-node.active { border-color: var(--accent-cyan); background: rgba(0,255,247,0.04); box-shadow: 0 0 16px rgba(0,255,247,0.12); }
.flow-node-count {
  font-size: 8px; font-family: var(--font-mono); color: var(--text-muted);
  background: var(--bg-primary); padding: 1px 5px; border-radius: 100px;
  border: 1px solid var(--border);
}
.flow-connector {
  display: flex; align-items: center; padding: 0 4px; flex-shrink: 0;
}
.flow-connector svg { width: 40px; height: 20px; }
.flow-dash {
  stroke-dasharray: 4 3;
  animation: flowDash 1s linear infinite;
}
@keyframes flowDash {
  to { stroke-dashoffset: -14; }
}

/* ── Detail Split ────────────────────────────────────────── */

.detail-split { display: flex; flex: 1; overflow: hidden; }

.event-list-container {
  width: 42%; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
}
.event-list-container h3 {
  font-size: 10px; color: var(--text-muted); padding: 10px 16px;
  text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700;
  border-bottom: 1px solid var(--border);
}
.event-filters {
  display: flex; gap: 3px; padding: 8px 10px; border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.filter-btn {
  padding: 3px 8px; border: none; border-radius: 100px;
  background: transparent; color: var(--text-muted);
  font-size: 10px; cursor: pointer; transition: all 0.15s;
  font-family: var(--font-sans); font-weight: 500;
}
.filter-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.filter-btn.active { color: var(--accent); background: rgba(99,102,241,0.1); }

.event-list { flex: 1; overflow-y: auto; }
.event-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 16px; border-bottom: 1px solid rgba(255,255,255,0.02);
  cursor: pointer; transition: all 0.1s; font-size: 12px;
}
.event-item:hover { background: var(--bg-hover); }
.event-item.active { background: var(--bg-active); }
.event-item.current {
  border-left: 2px solid var(--accent); background: rgba(99,102,241,0.04);
  box-shadow: inset 3px 0 8px rgba(99,102,241,0.05);
}

.event-seq { font-family: var(--font-mono); color: var(--text-muted); font-size: 9px; width: 24px; text-align: right; flex-shrink: 0; }

.event-type-badge {
  font-size: 9px; padding: 2px 6px; border-radius: 4px;
  font-family: var(--font-mono); font-weight: 600; flex-shrink: 0;
}
.type-http_request_in, .type-http_response_out { background: rgba(99,102,241,0.12); color: var(--accent); }
.type-http_request_out, .type-http_response_in { background: rgba(167,139,250,0.1); color: var(--accent-purple); }
.type-db_query, .type-db_result { background: rgba(34,197,94,0.1); color: var(--accent-green); }
.type-cache_get, .type-cache_set { background: rgba(236,72,153,0.1); color: var(--accent-pink); }
.type-timestamp { background: rgba(245,158,11,0.1); color: var(--accent-orange); }
.type-random { background: rgba(34,211,238,0.1); color: var(--accent-cyan); }
.type-uuid { background: rgba(236,72,153,0.1); color: var(--accent-pink); }
.type-error { background: rgba(239,68,68,0.12); color: var(--accent-red); }
.type-custom { background: var(--bg-tertiary); color: var(--text-secondary); }
.type-timer_set, .type-timer_fire { background: rgba(167,139,250,0.1); color: var(--accent-purple); }
.type-fs_call, .type-fs_result, .type-fs_error { background: rgba(245,158,11,0.1); color: var(--accent-orange); }
.type-dns_lookup, .type-dns_resolve, .type-dns_result, .type-dns_error { background: rgba(34,211,238,0.1); color: var(--accent-cyan); }

.event-op { color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 11px; }
.event-dur { font-family: var(--font-mono); color: var(--text-muted); font-size: 9px; margin-left: auto; flex-shrink: 0; }

/* ── Event Detail Panel ──────────────────────────────────── */

.event-detail-container { flex: 1; overflow-y: auto; padding: 16px; }
.detail-header { margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.detail-op { font-size: 14px; font-weight: 600; }

.detail-timing {
  display: flex; gap: 12px; margin-bottom: 14px;
  font-size: 10px; font-family: var(--font-mono); color: var(--text-muted);
}

/* Tabbed detail view */
.detail-tabs {
  display: flex; gap: 2px; margin-bottom: 12px;
  border-bottom: 1px solid var(--border); padding-bottom: 0;
}
.tab-btn {
  padding: 6px 14px; border: none; border-bottom: 2px solid transparent;
  background: transparent; color: var(--text-muted);
  font-size: 11px; font-weight: 600; cursor: pointer;
  font-family: var(--font-sans); transition: all 0.15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.detail-tab-content { }

.json-view {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  font-family: var(--font-mono); font-size: 11px; line-height: 1.7;
  overflow-x: auto; white-space: pre-wrap; word-break: break-all;
  color: var(--text-primary); max-height: 400px; overflow-y: auto;
}
.json-error { border-color: rgba(239,68,68,0.3); }
.json-meta { color: var(--text-secondary); }

.json-key { color: #79c0ff; }
.json-string { color: #a5d6ff; }
.json-number { color: #ffa657; }
.json-boolean { color: #d2a8ff; }
.json-null { color: var(--text-muted); }

/* ── Metrics Panel (Right) ───────────────────────────────── */

.panel-metrics {
  width: 210px; min-width: 190px;
  border-left: 1px solid var(--border);
  background: var(--bg-secondary);
  display: flex; flex-direction: column;
}
.metrics-content { padding: 8px; flex: 1; overflow-y: auto; }

.metric-card {
  padding: 14px 12px; margin-bottom: 6px;
  border-radius: var(--radius); background: var(--bg-tertiary);
  border: 1px solid var(--border);
  text-align: center; transition: all 0.2s;
}
.metric-card:hover { border-color: rgba(255,255,255,0.08); transform: translateY(-1px); }
.metric-icon { font-size: 18px; margin-bottom: 4px; }
.metric-value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--text-primary); }
.metric-value.small { font-size: 13px; font-weight: 600; }
.metric-label { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; font-weight: 600; }
.metric-mini { padding: 10px 12px; }
.metrics-divider { height: 1px; background: var(--border); margin: 6px 0; }

.metric-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 4px; }
.metric-dot-ok { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.metric-dot-warn { background: var(--accent-orange); }
.metric-dot-err { background: var(--accent-red); }

/* Event Breakdown */
.metric-breakdown { text-align: left; }
.breakdown-list { margin-top: 8px; }
.breakdown-row {
  display: flex; align-items: center; gap: 6px;
  font-size: 10px; color: var(--text-secondary); margin-bottom: 5px;
}
.breakdown-dot { width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }
.breakdown-count { margin-left: auto; font-family: var(--font-mono); color: var(--text-muted); font-size: 9px; }
.breakdown-empty { font-size: 10px; color: var(--text-muted); }

/* ── Tooltip ─────────────────────────────────────────────── */
.tooltip {
  position: fixed; z-index: 999;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px;
  font-size: 11px; color: var(--text-primary);
  font-family: var(--font-mono);
  pointer-events: none; max-width: 300px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

/* ── Keyboard Overlay ────────────────────────────────────── */

.keyboard-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.keyboard-modal {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 28px 32px;
  min-width: 480px; box-shadow: var(--shadow-md);
  animation: scaleIn 0.2s ease;
}
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.keyboard-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.keyboard-header h3 { font-size: 16px; font-weight: 700; }

.keyboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.kb-group h4 { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; font-weight: 700; }
.kb-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-secondary); margin-bottom: 8px;
}
.kb-row span { margin-left: auto; }

/* ── Status ──────────────────────────────────────────────── */

.status-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.status-connected { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.status-disconnected { background: var(--accent-red); }
.status-connecting { background: var(--accent-orange); animation: pulse 1s infinite; }
.status-text { font-size: 11px; color: var(--text-muted); }

/* ── Scrollbar ───────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 1024px) {
  .panel-metrics { display: none; }
}
@media (max-width: 768px) {
  .panel-sessions { width: 220px; min-width: 180px; }
  .header-badge { display: none; }
  .timeline-legend { display: none; }
}