:root {
  --bg-dark: #090d16;
  --card-bg: #0f172a;
  --card-border: #1e293b;
  --input-bg: #020617;
  --accent-purple: #6366f1;
  --accent-blue: #2563eb;
  --accent-green: #10b981;
  --accent-red: #f43f5e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --font-mono: Consolas, 'Fira Code', 'Courier New', monospace;
}

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

body {
  font-family: var(--font-mono);
  background-color: var(--bg-dark);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.app-header {
  height: 52px;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  padding: 0 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  font-size: 18px;
  background: rgba(99, 102, 241, 0.2);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--accent-purple);
}

.brand h1 {
  font-size: 16px;
  letter-spacing: 0.5px;
}

/* Dashboard Layout */
.dashboard-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 16px;
  padding: 16px;
  height: calc(100vh - 52px);
  overflow: hidden;
}

/* Canvas Area */
.visual-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.canvas-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px !important;
  margin: 0 !important;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.canvas-legend {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.dot.subject { background: var(--accent-purple); }
.dot.supply { background: var(--accent-green); }
.dot.deficit { background: var(--accent-red); }

.canvas-wrapper {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #020617;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  overflow: hidden;
}

#diagram-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Right Control Panel */
.control-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

/* Reusable Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card.flex-fill {
  flex: 1;
  min-height: 160px;
}

.card h3, .card-title {
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.card-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: -4px;
}

/* Form Inputs & Buttons */
textarea {
  width: 100%;
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--text-main);
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  resize: none;
  outline: none;
}

textarea:focus {
  border-color: var(--accent-purple);
}

button {
  background-color: var(--accent-blue);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.2s;
}

button:hover:not(:disabled) {
  opacity: 0.9;
}

button:disabled {
  background-color: #334155;
  color: #64748b;
  cursor: not-allowed;
  border: none;
}

/* Progress Box */
.progress-container {
  display: none;
  margin-top: 4px;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background-color: #1e293b;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background-color: var(--accent-green);
  transition: width 0.2s ease;
}

.progress-status {
  font-size: 10px;
  color: var(--text-muted);
}

/* Scroll Boxes for Lists */
.scroll-box {
  flex: 1;
  overflow-y: auto;
  max-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scroll-box.compact {
  max-height: 120px;
}

/* Parsed Statements Output Formatting */
.parsed-item {
  background: var(--input-bg);
  border: 1px solid var(--card-border);
  padding: 8px;
  border-radius: 6px;
  font-size: 11px;
}

.parsed-raw {
  color: var(--text-muted);
  font-size: 10px;
  margin-bottom: 4px;
}

.parsed-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tag {
  padding: 2px 5px;
  border-radius: 3px;
  font-weight: bold;
}

.tag.subject { background: #1e1b4b; color: #a5b4fc; border: 1px solid #4338ca; }
.tag.connective { background: #1e293b; color: #38bdf8; border: 1px solid #0284c7; }
.tag.qty { background: #701a75; color: #f0abfc; border: 1px solid #a21caf; }
.tag.object { background: #064e3b; color: #6ee7b7; border: 1px solid #059669; }

/* Engine Insights Formatting */
.insight-card {
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 11px;
}

.insight-card.conflict {
  background: rgba(69, 10, 10, 0.5);
  border: 1px solid var(--accent-red);
  color: #fecaca;
}

.insight-card.info {
  background: rgba(12, 74, 110, 0.5);
  border: 1px solid #0284c7;
  color: #e0f2fe;
}

/* JSON pre block */
pre {
  background-color: var(--input-bg);
  padding: 8px;
  border-radius: 4px;
  font-size: 10px;
  color: #38bdf8;
  max-height: 140px;
  overflow: auto;
}

details summary {
  cursor: pointer;
  font-size: 11px;
  color: var(--text-muted);
}