/* =====================
   Variables & Reset
   ===================== */
:root {
  --bg:        #0d1117;
  --bg-panel:  #161b22;
  --bg-alt:    #1c2128;
  --bg-alt2:   #21262d;
  --border:    #30363d;
  --border2:   #484f58;
  --text:      #c9d1d9;
  --muted:     #8b949e;
  --accent:    #f89820;
  --blue:      #58a6ff;
  --green:     #3fb950;
  --red:       #f85149;
  --header-h:  56px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
}

/* =====================
   Header
   ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  gap: 12px;
}
.header-left  { display: flex; align-items: center; gap: 16px; overflow: hidden; }
.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.logo { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.logo-icon { color: var(--accent); font-size: 20px; }
.logo-text  { font-size: 14px; font-weight: 700; }

/* Scenario tabs */
.scenario-tabs { display: flex; gap: 4px; }
.tab-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-alt);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.tab-btn:hover        { border-color: var(--blue); color: var(--blue); }
.tab-btn.active       { background: var(--blue); border-color: var(--blue); color: #0d1117; }

/* Chips */
.chip {
  display: flex; flex-direction: column; align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-alt);
  white-space: nowrap;
}
.chip-label { font-size: 9px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.chip-value { font-size: 12px; font-weight: 700; }
.chip-value.running { color: var(--blue); }
.chip-value.ok      { color: var(--green); }
.chip-value.error   { color: var(--red); }

/* Controls */
.controls { display: flex; align-items: center; gap: 6px; }
.btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px; font-weight: 600;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary          { background: var(--accent); border-color: var(--accent); color: #0d1117; }
.btn-primary:hover    { background: #e07b10; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary        { background: var(--bg-alt); color: var(--text); }
.btn-secondary:hover  { border-color: var(--blue); color: var(--blue); }

.speed-label {
  display: flex; align-items: center; gap: 5px;
  color: var(--muted); font-size: 11px; cursor: default;
}
.speed-select {
  background: var(--bg-alt); border: 1px solid var(--border);
  color: var(--text); padding: 3px 5px; border-radius: 4px; font-size: 12px;
}

/* =====================
   Main Layout
   ===================== */
.main {
  margin-top: var(--header-h);
  padding: 14px;
  display: flex; flex-direction: column; gap: 12px;
}

.scenario-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 2px;
}
.scenario-desc { font-size: 12px; color: var(--muted); }
.panel-elapsed { font-size: 11px; font-family: monospace; color: var(--accent); }

/* =====================
   Panel
   ===================== */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.panel-title {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.8px; color: var(--muted);
}

/* Map legend */
.map-legend { display: flex; gap: 12px; align-items: center; }
.mleg { font-size: 10px; color: var(--muted); white-space: nowrap; }
.mleg.pending  { color: var(--border2); }
.mleg.running  { color: var(--blue); }
.mleg.complete { color: var(--green); }
.mleg.error    { color: var(--red); }
.mleg.parent-badge { color: var(--accent); }

/* Legend */
.legend { display: flex; gap: 6px; }
.leg {
  font-size: 10px; font-weight: 600;
  padding: 2px 7px; border-radius: 10px;
}
.leg-pending { background: var(--bg-alt2); color: var(--muted); }
.leg-running { background: #0d1e36; color: var(--blue); border: 1px solid rgba(88,166,255,0.4); }
.leg-ok      { background: #0d2a14; color: var(--green); }

/* =====================
   Service Map (SVG)
   ===================== */
.service-map-wrap {
  padding: 16px;
  background: #0a0e14;
  overflow-x: auto;
}
#service-map-svg {
  display: block;
  width: 100%;
  min-width: 500px;
}

/* Node elements */
.node-bg {
  transition: fill 0.4s, stroke 0.4s;
}

/* Pulse animation for running nodes */
.pulse-ring {
  transform-box: fill-box;
  transform-origin: center;
  animation: pulseAnim 1.8s ease-out infinite;
}
@keyframes pulseAnim {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(1.9); opacity: 0; }
}

/* Progress ring transition */
.progress-ring {
  transition: stroke-dashoffset 0.06s linear, stroke 0.3s;
  transform-box: fill-box;
  transform-origin: center;
}

/* Flow dot */
.flow-dot {
  filter: drop-shadow(0 0 3px var(--blue));
}

/* =====================
   Timeline
   ===================== */
.tl-progress-wrap { padding: 6px 14px 0; }
.tl-progress-bar  { height: 2px; background: var(--bg-alt2); border-radius: 2px; }
.tl-progress-fill {
  height: 100%; width: 0%; background: var(--accent);
  border-radius: 2px; transition: width 0.04s linear;
  box-shadow: 0 0 5px var(--accent);
}

.timeline-container { padding: 8px 14px 12px; }

.tl-header {
  display: flex; align-items: center;
  margin-bottom: 5px; padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.tl-label-col {
  width: 170px; min-width: 170px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--muted); padding-right: 10px;
}
.tl-scale-col { flex: 1; position: relative; height: 15px; }
.tl-scale-tick {
  position: absolute; transform: translateX(-50%);
  font-size: 10px; color: var(--muted);
}

.tl-row {
  display: flex; align-items: center;
  margin-bottom: 4px; padding: 2px 0;
  border-radius: 4px; transition: background 0.3s;
}
.tl-row.running  { background: rgba(88,166,255,0.04); }
.tl-row.ok       { background: rgba(63,185,80,0.04); }

.tl-row-label {
  width: 170px; min-width: 170px;
  padding-right: 10px;
  display: flex; flex-direction: column; gap: 1px;
}
.tl-svc-name {
  font-size: 11px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tl-seg-name {
  font-size: 10px; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tl-indent { padding-left: 10px; border-left: 2px solid var(--border); }

.tl-track {
  flex: 1; height: 24px;
  background: var(--bg-alt2); border-radius: 4px;
  position: relative; overflow: hidden;
}
.tl-bar-outer {
  position: absolute; top: 2px; height: 20px;
  background: var(--bg-alt); border-radius: 3px;
  overflow: hidden; border: 1px solid var(--border);
}
.tl-bar-fill {
  height: 100%; width: 0%;
  transition: width 0.04s linear;
  border-radius: 3px;
}
.tl-bar-fill.pending  { background: var(--bg-alt2); }
.tl-bar-fill.running  { background: linear-gradient(90deg, #0d1e36, var(--blue)); box-shadow: 0 0 6px rgba(88,166,255,0.5); }
.tl-bar-fill.ok       { background: linear-gradient(90deg, #0d2a14, var(--green)); }
.tl-bar-fill.error    { background: linear-gradient(90deg, #2b1414, var(--red)); }

.tl-bar-ms {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 9px; color: var(--muted); white-space: nowrap; pointer-events: none;
}

/* =====================
   Bottom Row
   ===================== */
.bottom-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}

/* Stats */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 7px; padding: 10px;
  max-height: 220px; overflow-y: auto;
}
.stat-card {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 11px;
  transition: border-color 0.3s;
}
.stat-card.running { border-color: rgba(88,166,255,0.5); }
.stat-card.ok      { border-color: rgba(63,185,80,0.4); }
.stat-card.error   { border-color: rgba(248,81,73,0.4); }

.sc-name    { font-size: 11px; font-weight: 600; margin-bottom: 2px; }
.sc-type    { font-size: 9px; color: var(--muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.3px; }
.sc-footer  { display: flex; justify-content: space-between; align-items: center; }
.sc-ms      { font-size: 11px; font-family: monospace; color: var(--muted); }
.sc-progress-text { font-size: 10px; color: var(--blue); font-family: monospace; }

.sc-badge {
  font-size: 9px; font-weight: 700;
  padding: 2px 5px; border-radius: 4px; text-transform: uppercase;
}
.sc-badge.pending { background: var(--bg-alt2); color: var(--muted); }
.sc-badge.running { background: #0d1e36; color: var(--blue); }
.sc-badge.ok      { background: #0d2a14; color: var(--green); }
.sc-badge.error   { background: #2b1414; color: var(--red); }

/* Event Log */
.btn-icon {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 12px; padding: 2px 5px; border-radius: 3px;
}
.btn-icon:hover { color: var(--text); }

.event-log {
  max-height: 220px; overflow-y: auto;
  font-family: 'Courier New', monospace; font-size: 11px; padding: 7px 12px;
}
.log-entry {
  display: grid;
  grid-template-columns: 55px 110px 1fr;
  gap: 8px; padding: 4px 0;
  border-bottom: 1px solid var(--border);
  animation: fadeIn 0.2s ease;
}
.log-entry:last-child { border-bottom: none; }
.log-time    { color: var(--accent); }
.log-node    { color: var(--blue); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-message { color: var(--text); }
.log-entry.system .log-node { color: var(--muted); font-style: italic; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-2px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scrollbars */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }