/* ============================================================
   BUILDYBOT — APP VIEWER LAYOUT
   (existing CSS, incorporated)
   ============================================================ */

/* --- App-specific custom properties (override these) --- */
:root {
  --app-header-height: 48px;
  --app-header-bg: var(--nav-bg);
  --app-header-text: var(--nav-text);
  --app-header-border: var(--border-color);
  --app-header-font-size: 0.88rem;
  --app-header-padding-x: 1rem;
  --app-back-btn-bg: transparent;
  --app-back-btn-color: var(--nav-text);
  --app-back-btn-hover-bg: rgba(255, 255, 255, 0.12);
  --app-back-btn-radius: var(--radius-sm);
  --app-body-bg: var(--bg);
  --app-body-padding: 0;
}

/* --- Header bar --- */
.app-viewer-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  height: var(--app-header-height);
  background: var(--app-header-bg);
  color: var(--app-header-text);
  border-bottom: 1px solid var(--app-header-border);
  padding: 0 var(--app-header-padding-x);
  gap: 0.75rem;
  font-size: var(--app-header-font-size);
  transition: background-color var(--transition-speed, 0.2s) ease,
              border-color var(--transition-speed, 0.2s) ease;
}

/* --- Back button --- */
.app-viewer-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  background: var(--app-back-btn-bg);
  color: var(--app-back-btn-color);
  border: none;
  border-radius: var(--app-back-btn-radius);
  font-size: inherit;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.app-viewer-back:hover,
.app-viewer-back:focus-visible {
  background: var(--app-back-btn-hover-bg);
  color: var(--app-back-btn-color);
  text-decoration: none;
}

.app-viewer-back i {
  font-size: 1.1em;
}

/* --- Separator between back button and app name --- */
.app-viewer-sep {
  width: 1px;
  height: 1.2rem;
  background: currentColor;
  opacity: 0.25;
  flex-shrink: 0;
}

/* --- App name --- */
.app-viewer-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* --- Right-side slot for optional actions --- */
.app-viewer-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* --- Main content area beneath the header --- */
.app-viewer-body {
  flex: 1;
  background: var(--app-body-bg);
  padding: var(--app-body-padding);
  min-height: calc(100vh - var(--app-header-height));
}

/* --- Responsive --- */
@media (max-width: 575.98px) {
  .app-viewer-header {
    gap: 0.5rem;
    --app-header-padding-x: 0.65rem;
  }

  .app-viewer-back span {
    display: none;
  }
}

/* ============================================================
   App styles
   ============================================================ */

:root{
  /* Fallbacks in case host theme vars aren't present */
  --bg: #0b0f17;
  --panel: rgba(255,255,255,0.06);
  --panel-2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.65);
  --border-color: rgba(255,255,255,0.12);
  --nav-bg: rgba(0,0,0,0.35);
  --nav-text: rgba(255,255,255,0.92);
  --radius-sm: 10px;
  --radius-md: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --accent: #7c5cff;
  --accent-2: #35d3ff;

  --stage-size: 360px;
  --orbit-radius: 120px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124,92,255,0.22), transparent 60%),
              radial-gradient(1000px 700px at 90% 15%, rgba(53,211,255,0.16), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

.wrap{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
}

@media (max-width: 900px){
  .wrap{ grid-template-columns: 1fr; }
  :root{ --stage-size: 320px; }
}

.panel{
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-controls{
  padding: 16px;
}

.control-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.control-head .h{
  font-weight: 700;
  letter-spacing: 0.2px;
}
.control-head .sub{
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 2px;
}

.btn{
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 12px;
  cursor: pointer;
}
.btn:hover{ background: rgba(255,255,255,0.12); }
.btn:active{ transform: translateY(1px); }

.field{
  display: grid;
  gap: 6px;
  align-items: center;
}
.field-label{
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.2px;
}
.select{
  appearance: none;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 34px 8px 10px;
  min-width: 170px;
  outline: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255,255,255,0.75) 50%),
    linear-gradient(135deg, rgba(255,255,255,0.75) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 55%,
    calc(100% - 10px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.select:focus-visible{
  border-color: rgba(124,92,255,0.8);
  box-shadow: 0 0 0 4px rgba(124,92,255,0.18);
}

.orbit{
  position: relative;
  height: calc(var(--stage-size) + 40px);
  display: grid;
  place-items: center;
  padding: 20px;
}

.orbit-ring{
  width: var(--stage-size);
  height: var(--stage-size);
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.22);
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04), rgba(255,255,255,0.02) 55%, rgba(255,255,255,0.00) 70%);
}

.emoji{
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 56px;
  will-change: transform;
  filter: drop-shadow(0 14px 14px rgba(0,0,0,0.35));
  user-select: none;
}

.angle-readout{
  position: absolute;
  right: 14px;
  bottom: 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.88);
  backdrop-filter: blur(8px);
}

.dial{
  --dial-size: 260px;
  position: relative;
  width: var(--dial-size);
  height: var(--dial-size);
  margin: 10px auto 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.10), rgba(255,255,255,0.04) 55%, rgba(255,255,255,0.02));
  border: 1px solid var(--border-color);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
  touch-action: none;
}

.dial-face{
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
  background:
    radial-gradient(circle at 50% 50%, rgba(124,92,255,0.12), transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(53,211,255,0.08), transparent 62%);
}

.dial-ticks{
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    conic-gradient(from 0deg,
      rgba(255,255,255,0.0) 0deg 6deg,
      rgba(255,255,255,0.14) 6deg 6.6deg
    );
  mask: radial-gradient(circle, transparent 0 56%, #000 57% 100%);
  opacity: 0.55;
  pointer-events: none;
}

.dial-handle{
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  outline: none;
}

.dial-knob{
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(255,255,255,0.25));
  border: 1px solid rgba(255,255,255,0.35);
  box-shadow: 0 12px 20px rgba(0,0,0,0.35);
}

.dial-handle:focus-visible .dial-knob{
  box-shadow: 0 0 0 5px rgba(124,92,255,0.22), 0 12px 20px rgba(0,0,0,0.35);
  border-color: rgba(124,92,255,0.7);
}

.readouts{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.chip{
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  padding: 10px 12px;
}
.chip .k{
  color: var(--muted);
  font-size: 0.78rem;
}
.chip .v{
  margin-top: 2px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.slider-row{
  display: flex;
  gap: 10px;
  align-items: center;
}
.grow{ flex: 1; }

.range{
  width: 100%;
  accent-color: var(--accent);
}

.hint{
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}