/* ═══════════════════════════════════════════════
   DOF SIMULATOR — Front-End Styles
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── CSS VARIABLES ── */
.dof-wrap.dof-theme-dark {
  --dof-bg:        #0d0f14;
  --dof-surface:   #161b24;
  --dof-surface2:  #1e2536;
  --dof-border:    #2a3247;
  --dof-text:      #e8eaf0;
  --dof-muted:     #7b8399;
  --dof-accent:    #f97316;
  --dof-accent2:   #fb923c;
  --dof-green:     #22c55e;
  --dof-blue:      #3b82f6;
  --dof-card-near: #1a2744;
  --dof-card-far:  #1a2a1a;
  --dof-shadow:    0 4px 20px rgba(0,0,0,0.4);
}

.dof-wrap.dof-theme-light {
  --dof-bg:        #ffffff;
  --dof-surface:   #f7f8fc;
  --dof-surface2:  #eef0f6;
  --dof-border:    #dde1eb;
  --dof-text:      #1a2035;
  --dof-muted:     #6b7594;
  --dof-accent:    #ea6a10;
  --dof-accent2:   #f97316;
  --dof-green:     #16a34a;
  --dof-blue:      #2563eb;
  --dof-card-near: #e8eeff;
  --dof-card-far:  #e4f5ea;
  --dof-shadow:    0 2px 10px rgba(0,0,0,0.07);
}

.dof-wrap { --dof-accent: var(--dof-custom-accent, #f97316); }

/* ── WRAP ── */
.dof-wrap {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--dof-bg);
  color: var(--dof-text);
  border-radius: 12px;
  padding: 14px 16px;
  max-width: 900px;
  margin: 12px auto;
  box-shadow: var(--dof-shadow);
  border: 1px solid var(--dof-border);
}

/* ── HEADER ── */
.dof-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dof-border);
}

.dof-icon { font-size: 1.3rem; filter: drop-shadow(0 0 5px var(--dof-accent)); flex-shrink: 0; }

.dof-title {
  margin: 0 !important;
  font-size: 1.05rem !important;
  font-weight: 700;
  color: var(--dof-text);
  letter-spacing: -0.02em;
}

.dof-subtitle {
  margin: 0 !important;
  font-size: 0.7rem;
  color: var(--dof-muted);
}

/* ── CONTROLS GRID ── */
.dof-controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.dof-span-2 { grid-column: span 2; }

.dof-control-group {
  background: var(--dof-surface);
  border: 1px solid var(--dof-border);
  border-radius: 8px;
  padding: 8px 10px;
}

.dof-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--dof-muted);
  margin-bottom: 5px;
}

/* Sensor buttons */
.dof-sensor-buttons { display: flex; flex-wrap: wrap; gap: 5px; }

.dof-sensor-btn {
  background: var(--dof-surface2);
  border: 1px solid var(--dof-border);
  color: var(--dof-text);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.dof-sensor-btn span { font-size: 0.58rem; color: var(--dof-muted); font-weight: 400; }
.dof-sensor-btn:hover { border-color: var(--dof-accent); color: var(--dof-accent); }
.dof-sensor-btn.active { background: var(--dof-accent); border-color: var(--dof-accent); color: #fff; }
.dof-sensor-btn.active span { color: rgba(255,255,255,0.75); }

/* Slider */
.dof-slider-row { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }

.dof-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 4px;
  background: var(--dof-surface2);
  outline: none;
  cursor: pointer;
}

.dof-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--dof-accent);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(249,115,22,0.18);
}

.dof-value-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--dof-accent);
  background: rgba(249,115,22,0.08);
  border: 1px solid rgba(249,115,22,0.2);
  padding: 1px 7px;
  border-radius: 5px;
  min-width: 62px;
  text-align: center;
  white-space: nowrap;
}

/* Stop/focal buttons */
.dof-stop-row { display: flex; flex-wrap: wrap; gap: 3px; }

.dof-stop-btn, .dof-focal-btn {
  background: var(--dof-surface2);
  border: 1px solid var(--dof-border);
  color: var(--dof-muted);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.64rem;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: all 0.12s;
}

.dof-stop-btn:hover, .dof-focal-btn:hover { border-color: var(--dof-accent); color: var(--dof-accent); }

/* Toggle */
.dof-toggle-row { display: flex; border: 1px solid var(--dof-border); border-radius: 6px; overflow: hidden; }

.dof-unit-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--dof-muted);
  padding: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.dof-unit-btn.active { background: var(--dof-accent); color: #fff; }

/* ── RESULTS GRID ── */
.dof-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.dof-result-card {
  background: var(--dof-surface);
  border: 1px solid var(--dof-border);
  border-radius: 8px;
  padding: 7px 10px;
  text-align: center;
}

.dof-card-near { border-color: var(--dof-blue); background: var(--dof-card-near); }
.dof-card-far  { border-color: var(--dof-green); background: var(--dof-card-far); }
.dof-card-highlight { border-color: var(--dof-accent); background: rgba(249,115,22,0.05); }

.dof-result-icon { font-size: 0.8rem; margin-bottom: 1px; }

.dof-result-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dof-muted);
  margin-bottom: 3px;
}

.dof-result-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dof-text);
}

.dof-card-highlight .dof-result-value { color: var(--dof-accent); font-size: 1.1rem; }
.dof-card-near .dof-result-value      { color: var(--dof-blue); }
.dof-card-far  .dof-result-value      { color: var(--dof-green); }

/* ── DIAGRAM ── */
.dof-diagram-wrap {
  background: var(--dof-surface);
  border: 1px solid var(--dof-border);
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 8px;
}

.dof-diagram-title {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dof-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.dof-diagram { display: flex; align-items: center; gap: 8px; }
.dof-diag-camera { font-size: 1.3rem; flex-shrink: 0; }

.dof-diag-track { flex: 1; position: relative; height: 30px; }

.dof-diag-line {
  position: absolute; top: 50%; left: 0; right: 0;
  height: 2px; background: var(--dof-border); transform: translateY(-50%);
}

.dof-diag-focus-zone {
  position: absolute; top: 6px; height: 18px;
  background: rgba(249,115,22,0.18);
  border: 1px solid var(--dof-accent);
  border-radius: 3px; transition: all 0.3s ease;
}

.dof-diag-near-marker, .dof-diag-far-marker {
  position: absolute; top: 3px; width: 2px; height: 24px;
  background: var(--dof-accent); border-radius: 2px; transition: all 0.3s ease;
}

.dof-diag-subject {
  position: absolute; top: 50%;
  transform: translateY(-50%) translateX(-50%);
  font-size: 1rem; transition: all 0.3s ease;
}

.dof-diag-labels {
  display: flex; justify-content: space-between;
  font-size: 0.58rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--dof-muted); margin-top: 2px;
}

.dof-diag-label-s { color: var(--dof-accent); font-weight: 600; }

/* ── HINT ── */
.dof-hint { font-size: 0.68rem; color: var(--dof-muted); text-align: center; margin: 0 !important; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .dof-controls-grid { grid-template-columns: 1fr; }
  .dof-span-2        { grid-column: span 1; }
  .dof-results-grid  { grid-template-columns: 1fr 1fr; }
  .dof-wrap          { padding: 10px; }
}