/* ===== bwifow styles ===== */

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

:root {
  --bg:        #0c0c0c;
  --surface:   #141414;
  --surface2:  #1e1e1e;
  --border:    #2a2a2a;
  --text:      #e0e0e0;
  --text-dim:  #808080;
  --accent:    #4fc3f7;
  --accent2:   #81c784;
  --panel-w:   280px;
  --font:      'Segoe UI', system-ui, sans-serif;
  --mono:      'Consolas', 'Menlo', monospace;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* ===== Loading screen ===== */

#loading-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
  pointer-events: none;
}

.loading-inner {
  text-align: center;
}

.loading-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.loading-status {
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.loading-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ===== App layout ===== */

#app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ===== Panels ===== */

#left-panel {
  width: var(--panel-w);
  min-width: var(--panel-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  flex-shrink: 0;
}

.right-panel {
  width: var(--panel-w);
  min-width: var(--panel-w);
  background: var(--surface);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
}

.panel-section {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.panel-section h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

/* ===== Logo ===== */

.panel-logo {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.logo-text {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ===== Map ===== */

#map-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #0a0a1a;
}

#map-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#map-controls {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.overlay-hint {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  background: rgba(0,0,0,0.4);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
}

#computing-banner {
  position: absolute;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10,10,20,0.85);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 0.3rem 1rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  pointer-events: none;
  display: none;
  white-space: nowrap;
}

/* ===== Tooltip ===== */

.tooltip {
  position: fixed;
  z-index: 50;
  background: rgba(10, 10, 20, 0.92);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  pointer-events: none;
  backdrop-filter: blur(4px);
  min-width: 200px;
  max-width: 280px;
}

.tooltip-loc {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.tooltip-zone {
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tooltip-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ===== Scenario panel ===== */

.scenario-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.scenario-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  font-size: 0.82rem;
  transition: background 0.15s, border-color 0.15s;
}

.scenario-btn:hover {
  background: #252525;
  border-color: #3a3a3a;
}

.scenario-btn.active {
  background: rgba(79, 195, 247, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.scenario-io {
  display: flex;
  gap: 0.5rem;
}

.scenario-io-btn {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  text-align: center;
  transition: color 0.15s;
}

.scenario-io-btn:hover { color: var(--text); }

/* ===== Force inspector ===== */

.force-section {
  border-bottom: 1px solid var(--border);
}

.force-section summary {
  cursor: pointer;
  padding: 0.6rem 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.force-section summary::before {
  content: '▸';
  font-size: 0.7rem;
  color: var(--text-dim);
  transition: transform 0.15s;
}

.force-section[open] summary::before {
  transform: rotate(90deg);
}

.force-section-body {
  padding-bottom: 0.5rem;
}

.force-control {
  margin-bottom: 0.6rem;
}

.force-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.force-slider-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.force-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}

.force-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.force-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.force-value {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--mono);
  min-width: 42px;
  text-align: right;
}

.force-reset {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0 2px;
  line-height: 1;
  opacity: 0.6;
}

.force-reset:hover { opacity: 1; color: var(--accent); }

/* ===== Explain panel ===== */

.panel-header h2 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.panel-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}

.explain-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.explain-location {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.explain-zone-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.zone-swatch {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  flex-shrink: 0;
}

.zone-code {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--accent);
}

.zone-label {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.explain-summary {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.explain-details {
  font-size: 0.8rem;
}

.explain-details summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0;
  user-select: none;
}

.explain-details[open] summary { color: var(--text); }

/* Monthly climate table */
.climate-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.68rem;
  margin-top: 0.4rem;
}

.climate-table th, .climate-table td {
  text-align: center;
  padding: 2px 1px;
  color: var(--text-dim);
}

.climate-table th {
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.climate-table tr:first-child th { width: 30px; }

/* Reasoning trace */
.trace-list {
  margin-top: 0.4rem;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trace-step {
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ===== Scrollbar ===== */

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* ===== Responsive: collapse panels on small screens ===== */
@media (max-width: 900px) {
  #left-panel, .right-panel {
    display: none;
  }
}