/* ============================================================
   Tattoo.Nezami.net — Glassmorphism dark theme (Persian / RTL)
   ============================================================ */

:root {
  --bg-1: #0b0f1a;
  --bg-2: #131a2b;
  --accent: #6c8cff;
  --accent-2: #b46cff;
  --danger: #ff5d73;
  --warn: #ffb05d;
  --text: #eef1ff;
  --text-dim: #9aa3c7;
  --glass: rgba(22, 28, 46, 0.55);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: 'Vazirmatn', 'Tahoma', sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 70% 20%, var(--bg-2), var(--bg-1));
  direction: rtl;
}

/* ---------- Canvas ---------- */
#scene-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  display: block;
  touch-action: none;
  outline: none;
}

/* ---------- Glassmorphism ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Status bar ---------- */
.status-bar {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  font-size: 0.9rem;
  z-index: 30;
  transition: opacity .3s;
}
.status-bar.hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 16px; height: 16px; flex: none;
  border: 2px solid rgba(255,255,255,.25);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.status-bar.done .spinner { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Dock ---------- */
.dock {
  position: fixed;
  top: 16px; right: 16px; bottom: 16px;
  width: 340px; max-width: calc(100vw - 32px);
  display: flex; flex-direction: column;
  z-index: 20;
  animation: slide-in .5s ease both;
}
@keyframes slide-in { from { opacity: 0; transform: translateX(30px); } }

.dock-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border);
}
.dock-header h1 { font-size: 1.05rem; font-weight: 700; }

.dock-body {
  flex: 1; overflow-y: auto;
  padding: 12px 16px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.dock.collapsed .dock-body { display: none; }

.icon-btn {
  background: transparent; color: var(--text);
  border: 1px solid var(--glass-border); border-radius: 10px;
  width: 34px; height: 34px; cursor: pointer; font-size: 1rem;
  transition: background .2s;
}
.icon-btn:hover { background: rgba(255,255,255,.08); }

/* ---------- Panels ---------- */
.panel { margin-bottom: 18px; }
.panel-title {
  font-size: 0.85rem; font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 10px;
  letter-spacing: .3px;
}

/* Segmented model switcher */
.segmented { display: flex; gap: 8px; }
.seg-btn {
  flex: 1; padding: 9px 0;
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid var(--glass-border); border-radius: 12px;
  cursor: pointer; font-family: inherit; font-size: .9rem;
  transition: all .25s;
}
.seg-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(108,140,255,.4);
}

/* Slot tabs */
.slot-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.slot-tab {
  padding: 8px 4px; font-size: .78rem; font-family: inherit;
  background: rgba(255,255,255,.05);
  color: var(--text-dim);
  border: 1px solid var(--glass-border); border-radius: 10px;
  cursor: pointer; transition: all .2s;
}
.slot-tab.active {
  color: #fff; background: rgba(108,140,255,.28);
  border-color: var(--accent);
}

/* Controls */
.control-row {
  display: grid;
  grid-template-columns: 88px 1fr 48px;
  align-items: center; gap: 8px;
  margin-bottom: 9px; font-size: .8rem;
}
.control-row label { color: var(--text-dim); }
.control-row input[type="range"] {
  width: 100%; accent-color: var(--accent); cursor: pointer;
}
.control-row output { font-variant-numeric: tabular-nums; text-align: center; font-size: .75rem; }
.control-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

select {
  width: 100%; padding: 7px; font-family: inherit; font-size: .8rem;
  background: rgba(255,255,255,.07); color: var(--text);
  border: 1px solid var(--glass-border); border-radius: 10px;
}

.diagnostic {
  font-size: .75rem; color: var(--warn);
  margin-top: 8px; min-height: 1em; line-height: 1.6;
}

/* Buttons */
.btn-row { display: flex; gap: 8px; margin-top: 6px; }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.btn {
  padding: 9px 8px; font-family: inherit; font-size: .82rem;
  color: var(--text); cursor: pointer;
  background: rgba(255,255,255,.07);
  border: 1px solid var(--glass-border); border-radius: 12px;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { background: rgba(255,255,255,.14); transform: translateY(-1px); }
.btn:active { transform: scale(.97); }
.btn:focus-visible, .slot-tab:focus-visible, .seg-btn:focus-visible, .drop-zone:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.btn.accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; }
.btn.warn { color: var(--warn); border-color: rgba(255,176,93,.4); }
.btn.danger { color: var(--danger); border-color: rgba(255,93,115,.4); grid-column: span 2; }
.btn.toggled { box-shadow: 0 0 0 2px var(--accent) inset; }

/* Drop zone */
.drop-zone {
  padding: 18px 10px; text-align: center;
  font-size: .78rem; color: var(--text-dim);
  border: 2px dashed var(--glass-border); border-radius: 12px;
  cursor: pointer; transition: all .25s; line-height: 1.8;
}
.drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(108,140,255,.12); color: #fff;
}

/* Info */
.info-text { font-size: .74rem; color: var(--text-dim); line-height: 1.9; }
.info-text code {
  background: rgba(255,255,255,.08); padding: 1px 5px; border-radius: 5px;
  direction: ltr; display: inline; font-size: .7rem;
}
.dock-footer {
  font-size: .68rem; color: var(--text-dim);
  text-align: center; padding: 8px 0 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .dock {
    top: auto; right: 8px; left: 8px; bottom: 8px;
    width: auto; max-height: 52vh;
  }
  .status-bar { top: 8px; width: max-content; max-width: 92vw; }
  .slot-tabs { grid-template-columns: repeat(3, 1fr); }
  .btn-grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}