/* ============================================================
   TZHDRI: ThriceZed HDRI Capture
   Extends the main site stylesheet. Dark, minimal, monotone.
   ============================================================ */

[hidden] { display: none !important; }

.view.page-header { min-height: 60vh; }

.hdri-lead {
  max-width: 520px;
  margin-top: 1.5rem;
  font-size: 1.05rem;
}

.hdri-home-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hdri-home-actions .btn { cursor: pointer; font-family: var(--font-body); background-color: var(--text); }
.hdri-home-actions .btn-solid:hover { background-color: transparent; }

.hdri-demo-line {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.hdri-demo-line a { text-decoration: underline; text-underline-offset: 3px; }
.hdri-demo-line a:hover { color: var(--text); }

/* ---------- Capture stage ---------- */
.capture-stage {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: #000;
  overflow: hidden;
}

.capture-stage video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capture-stage #cap-gl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cap-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  font-family: var(--font-body);
}

.cap-topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 0.8rem) 1rem 0.8rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
}

.cap-exit {
  pointer-events: auto;
  width: 42px;
  height: 42px;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.cap-spacer { width: 42px; }

.cap-progress-num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: 0.05em;
  line-height: 1;
}

.cap-reticle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  transform: translate(-50%, -50%);
}

.cap-ring { width: 100%; height: 100%; transform: rotate(-90deg); }

.cap-ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.18);
  stroke-width: 2;
}

.cap-ring-fill {
  fill: none;
  stroke: #fff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 289;
  stroke-dashoffset: 289;
}

.cap-hint {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 3rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(0,0,0,0.55);
  border: 1px solid var(--border);
  padding: 0.5rem 1.1rem;
  white-space: nowrap;
  backdrop-filter: blur(6px);
}

.cap-flash {
  position: absolute;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.cap-flash.on { opacity: 0.55; transition: none; }

/* ---------- Processing ---------- */
.proc-wrap { max-width: 520px; margin-top: 2.5rem; }

.proc-bar {
  height: 2px;
  background: var(--border);
}

.proc-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--text);
  transition: width 0.2s ease;
}

.proc-note {
  margin-top: 1.2rem;
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ---------- Result ---------- */
#view-result { padding: 0 0 4rem; }

.preview-stage {
  position: relative;
  margin-top: 76px;
  height: min(62vh, 640px);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.preview-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: grab;
}

.preview-stage canvas:active { cursor: grabbing; }

.preview-help {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.result-controls {
  max-width: 560px;
  margin: 2.5rem auto 0;
  padding: 0 24px;
}

.pv-row { margin-bottom: 2rem; }

.pv-row label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.pv-val { color: var(--text); font-variant-numeric: tabular-nums; }

input[type="range"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  height: 2px;
  background: var(--border);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--text);
  border-radius: 50%;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--text);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.exp-main {
  display: block;
  width: 100%;
  text-align: center;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 1.1rem 2rem;
  background-color: var(--text);
}

.exp-main:hover { background-color: transparent; }

.exp-main span {
  margin-left: 0.7rem;
  font-size: 0.8rem;
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.exp-main.busy { opacity: 0.4; pointer-events: none; }

.result-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 1.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.result-links a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--text-muted);
}

.result-links a:hover { color: var(--text); }

.result-links a.busy { opacity: 0.4; pointer-events: none; }

.result-links #btn-again { margin-left: auto; }

.result-links select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.result-note {
  margin-top: 1.6rem;
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}