/* Shared design system loaded via shared.css */

/* Universal Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --bg-dark: #11111b;
    --bg-panel: #1e1e2e;
    --bg-input: #313244;
    --text-main: #cdd6f4;
    --text-muted: #a6adc8;
    --accent-blue: #89b4fa;
    --accent-pink: #f38ba8;
    --accent-green: #a6e3a1;
    --accent-yellow: #f9e2af;
    --accent-purple: #cba6f7;
    --border-color: #45475a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 { color: var(--accent-blue); margin-bottom: 5px; text-align: center; }
.subtitle { color: var(--text-muted); margin-bottom: 30px; font-size: 15px; text-align: center; }

.dashboard {
    display: flex;
    gap: 30px;
    max-width: 1100px;
    width: 100%;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
}

.panel {
    background-color: var(--bg-panel);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    border: 1px solid var(--bg-input);
}

.controls-panel {
    flex: 1 1 350px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label.section-label { color: var(--text-main); font-weight: bold; font-size: 14px; }

.slider-header { display: flex; justify-content: space-between; align-items: center; }
.slider-header span { color: var(--text-muted); font-size: 13px; }

.matrix-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-dark);
    padding: 15px;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
}

.matrix-label {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-yellow);
}

.matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    flex: 1;
}

input[type="number"] {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    color: var(--text-main);
    font-family: monospace;
    font-size: 16px;
    text-align: center;
}

input[type="range"] { width: 100%; cursor: pointer; accent-color: var(--accent-blue); }

select {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-main);
    font-size: 14px;
    cursor: pointer;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 5px;
}

button {
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s, transform 0.1s;
    border: none;
}

button:active { transform: scale(0.98); }

button.primary {
    background-color: var(--accent-blue);
    color: var(--bg-dark);
}
button.primary:hover { background-color: #74c7ec; }

button.secondary {
    background-color: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
button.secondary:hover { background-color: #45475a; }

.metrics-box {
    background-color: var(--bg-dark);
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
    border-left: 4px solid var(--accent-blue);
    margin-top: 10px;
}

.visual-panel {
    flex: 2 1 600px;
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.canvas-container {
    position: relative;
    background-color: var(--bg-dark);
    border-radius: 8px;
    border: 2px solid var(--border-color);
    overflow: hidden;
    width: 100%;
}

canvas { 
    display: block; 
    max-width: 100%; 
    height: auto; 
}

#phaseCanvas { cursor: crosshair; }

.instruction {
    text-align: center;
    color: var(--accent-green);
    font-size: 14px;
    padding: 10px;
    background: var(--bg-panel);
    border-radius: 8px 8px 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
}

.chart-title {
    position: absolute;
    top: 8px;
    left: 12px;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: bold;
}




/* Ensure the body allows absolute positioning */



/* ================================================================
   DESIGN SYSTEM OVERRIDE — Applied via shared.css variables
   These overrides unify all pages to the shared dark-lab aesthetic
   ================================================================ */

/* Reset old colors to use CSS variables from shared.css */
body {
  font-family: var(--font-sans) !important;
  background-color: var(--bg) !important;
  color: var(--text-primary) !important;
  padding-top: 72px !important;
}

h1, h2, h3 {
  font-family: var(--font-mono) !important;
}

h1 { color: var(--text-primary) !important; }
h2 { color: var(--cyan) !important; }

/* Panel backgrounds */
.controls-panel, .panel, .dashboard > *, .grid-container > *,
.info-panel, .visualizer-panel, aside, section.panel {
  background: var(--panel) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-panel) !important;
  color: var(--text-primary) !important;
}

.panel-header, header.panel-header {
  background: var(--panel-2) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 12px 16px !important;
}

/* Inputs */
input[type="text"], input[type="number"], select, textarea {
  background: var(--bg-2) !important;
  border: 1px solid var(--border-2) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-mono) !important;
  border-radius: var(--radius-sm) !important;
}

label {
  color: var(--text-secondary) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
}

/* Buttons */
button {
  font-family: var(--font-mono) !important;
  border-radius: var(--radius-sm) !important;
}

/* Canvas containers */
.canvas-container, .canvas-wrapper {
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden;
}

/* Metrics / data boxes */
.metrics-box, .data-box, .explanation-panel,
.instruction-box, .dynamic-explanation {
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-secondary) !important;
  font-size: 0.85rem !important;
}

/* Highlights */
.highlight, .highlight-k { color: var(--amber) !important; }
span[style*="color: #89b4fa"], .text-blue { color: var(--cyan) !important; }

/* Subtitles */
.subtitle, .page-subtitle, p.subtitle {
  color: var(--text-secondary) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.82rem !important;
}

/* Fix dashboard flex → still works but adds top padding spacing */
.dashboard {
  padding-top: 8px;
}

/* ── SCROLL & HOME-BTN FIX ── */
body {
  padding: 72px 20px 20px !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  height: auto !important;
  font-family: var(--font-sans) !important;
  background: var(--bg) !important;
  color: var(--text-primary) !important;
}
h1, .subtitle { text-align: center !important; }
h1 { color: var(--cyan) !important; font-family: var(--font-mono) !important; }
.dashboard { gap: 20px !important; }
.panel {
  background: var(--panel) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-panel) !important;
}
@media (max-width: 900px) {
  .dashboard { flex-direction: column !important; }
  .controls-panel, .visualization-panel { flex: 1 1 100% !important; min-width: 0 !important; }
  canvas { max-width: 100% !important; height: auto !important; }
}