/* ============================================================
   CONTROL PLAYGROUND — Industrial Dark / Amber Accent Theme
   ============================================================ */

:root {
  --bg-base:      #0a0c0f;
  --bg-panel:     #0f1217;
  --bg-panel2:    #141820;
  --bg-input:     #1a1f2a;
  --border:       #222a38;
  --border-hi:    #2e3a50;

  --amber:        #f0a500;
  --amber-dim:    #a06a00;
  --amber-glow:   rgba(240,165,0,0.15);
  --cyan:         #00d4e8;
  --cyan-dim:     #007080;
  --green:        #39e080;
  --green-dim:    #1a6035;
  --red:          #ff4455;
  --red-dim:      #7a1520;
  --purple:       #a080ff;

  --text-primary: #d8dde8;
  --text-dim:     #6a7590;
  --text-muted:   #3a4258;

  --font-mono:    'Share Tech Mono', monospace;
  --font-head:    'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;

  --radius:       4px;
  --panel-gap:    10px;
}

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

html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  overflow: hidden;
}

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

/* ── HEADER ── */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 58px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  font-size: 28px;
  color: var(--amber);
  line-height: 1;
  filter: drop-shadow(0 0 8px var(--amber));
}

.app-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-primary);
}

.app-subtitle {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 24px;
}

.sim-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, box-shadow 0.3s;
}
.status-dot.running {
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 1.2s ease-in-out infinite;
}
.status-dot.stopped { background: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.sim-time {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.sim-time .label { font-size: 9px; color: var(--text-muted); letter-spacing: 0.1em; }
.sim-time .value { font-size: 14px; color: var(--amber); }

/* Time Controls */
.time-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}
.speed-control .label { font-size: 10px; color: var(--text-dim); letter-spacing: 0.08em; }
.speed-control input[type=range] {
  -webkit-appearance: none;
  width: 90px;
  height: 3px;
  background: var(--border-hi);
  border-radius: 2px;
  outline: none;
}
.speed-control input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--amber);
  cursor: pointer;
  box-shadow: 0 0 6px var(--amber);
}

/* ── BUTTONS ── */
.btn {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--bg-panel2);
  color: var(--text-dim);
  transition: all 0.15s;
}
.btn:hover { border-color: var(--amber-dim); color: var(--amber); }
.btn-primary {
  background: var(--amber-glow);
  border-color: var(--amber-dim);
  color: var(--amber);
}
.btn-primary:hover { background: rgba(240,165,0,0.25); border-color: var(--amber); }
.btn-warn { border-color: var(--red-dim); color: var(--red); background: rgba(255,68,85,0.08); }
.btn-warn:hover { background: rgba(255,68,85,0.18); border-color: var(--red); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-xs { padding: 2px 8px; font-size: 10px; }

/* ── MAIN GRID ── */
#mainGrid {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  grid-template-rows: 1fr;
  gap: var(--panel-gap);
  padding: var(--panel-gap);
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* Right column stacks 3 panels */
.right-col {
  display: flex;
  flex-direction: column;
  gap: var(--panel-gap);
  overflow-y: auto;
  min-height: 0;
}

/* ── PANELS ── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

#panelProcess { overflow-y: auto; }

.panel-wide {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--bg-panel2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--amber);
  background: var(--amber-glow);
  border: 1px solid var(--amber-dim);
  padding: 1px 5px;
  border-radius: 2px;
}

.panel-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  flex: 1;
}

.panel-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  background: rgba(0,212,232,0.08);
  border: 1px solid var(--cyan-dim);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}

.panel-controls-inline {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

.panel-body {
  padding: 14px;
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.panel-body-compact { padding: 10px 14px; }

/* ── FORM ELEMENTS ── */
.field-group {
  margin-bottom: 12px;
}
.field-group.half { flex: 1; }
.field-row { display: flex; gap: 10px; margin-bottom: 12px; }

.field-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 5px;
  display: block;
}

.field-input, .field-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 5px 8px;
  outline: none;
  transition: border-color 0.15s;
}
.field-input:focus, .field-select:focus { border-color: var(--amber-dim); }
.field-select option { background: var(--bg-panel2); }

/* ── SEGMENTED CONTROL ── */
.seg-control {
  display: flex;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.seg {
  flex: 1;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 8px;
  background: var(--bg-input);
  border: none;
  border-right: 1px solid var(--border-hi);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.seg:last-child { border-right: none; }
.seg:hover { color: var(--text-primary); background: var(--bg-panel2); }
.seg.active {
  background: var(--amber-glow);
  color: var(--amber);
  border-color: var(--amber-dim);
}

/* ── INPUT KNOB ROWS ── */
.input-item {
  background: var(--bg-panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-bottom: 8px;
}
.input-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.input-name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}
.input-value-display {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}
.input-source-toggle {
  display: flex;
  gap: 4px;
}
.src-btn {
  font-size: 10px;
  font-family: var(--font-head);
  padding: 2px 7px;
  border-radius: 2px;
  border: 1px solid var(--border-hi);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.src-btn.active { background: var(--amber-glow); color: var(--amber); border-color: var(--amber-dim); }
.input-slider { width: 100%; margin: 2px 0; }
input[type=range].input-slider {
  -webkit-appearance: none;
  height: 3px;
  background: var(--border-hi);
  border-radius: 2px;
  outline: none;
}
input[type=range].input-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--amber);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(240,165,0,0.5);
}
input[type=range].input-slider.controller-driven {
  background: linear-gradient(to right, var(--cyan-dim), var(--cyan-dim));
}
input[type=range].input-slider.controller-driven::-webkit-slider-thumb {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,212,232,0.5);
}
.input-limits {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── OUTPUT ITEMS ── */
.output-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 10px;
  margin-bottom: 6px;
}
.output-name {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-head);
  letter-spacing: 0.06em;
}
.output-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

/* ── SAMPLER ── */
.sampler-live {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--bg-panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.big-value {
  font-size: 22px;
  color: var(--green);
}

/* ── CONTROLLER ── */
.param-row { display: flex; gap: 8px; margin-bottom: 10px; }
.param-item { flex: 1; }
.param-label { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 3px; }
.param-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 6px;
  outline: none;
}
.param-input:focus { border-color: var(--amber-dim); }

.live-output {
  font-size: 18px;
  color: var(--purple);
  padding: 4px 0;
}

/* ── CODE EDITOR ── */
.code-editor-wrap {
  margin-top: 10px;
}
.code-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}
.code-hint { color: var(--text-muted); margin-left: 4px; }
.code-editor {
  width: 100%;
  background: #080b10;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: #abb2c0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.55;
  padding: 8px 10px;
  resize: vertical;
  outline: none;
}
.code-editor:focus { border-color: var(--amber-dim); }
.code-error {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  margin-top: 4px;
  min-height: 16px;
}

/* ── MODELER ── */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.toggle { position: relative; display: inline-block; width: 34px; height: 18px; }
.toggle input { display: none; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--border-hi);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  left: 3px; top: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all 0.2s;
}
.toggle input:checked + .toggle-slider { background: var(--amber-glow); border: 1px solid var(--amber-dim); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); background: var(--amber); }

.model-actions { display: flex; gap: 8px; margin-top: 8px; }
.model-fit-info { font-family: var(--font-mono); font-size: 11px; color: var(--cyan); margin-top: 6px; }

/* ── VISUALS PANEL ── */
.visuals-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding: 10px 14px;
}

.visual-graphic-wrap {
  background: #080b10;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
#processGraphic { display: block; max-width: 100%; }

.charts-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chart-card {
  background: #080b10;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
}
.chart-label {
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.chart-legend-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.chart-card canvas { display: block; width: 100%; }

.gauges-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.gauge-wrap {
  background: #080b10;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  text-align: center;
  flex: 1;
  min-width: 100px;
}
.gauge-label {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}
.gauge-wrap canvas { display: block; margin: 0 auto; }

/* ── MISC ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.mono { font-family: var(--font-mono); }
.label { font-size: 10px; letter-spacing: 0.08em; color: var(--text-muted); }

.hidden { display: none !important; }

/* Scrollbar styling */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }