:root {
  --accent: #6c5ce7;
  --accent-rgb: 108, 92, 231;
  --bg: #0a0b0f;
  --bg-soft: #101219;
  --card: #14161f;
  --card-hover: #1a1d29;
  --text: #f2f4f8;
  --muted: #99a2b3;
  --muted-soft: #6b7386;
  --border: #232733;
  --border-strong: #333a4a;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --container-w: 1180px;
  --font: "Vazirmatn", "Segoe UI", Tahoma, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

::selection { background: rgba(var(--accent-rgb), 0.35); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================ */
/*  Public: header / hero                                        */
/* ============================================================ */
.site-header {
  position: relative;
  overflow: hidden;
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}
.site-header::before {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.9), transparent 70%);
  top: -260px; right: -120px;
}
.site-header::after {
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.5), transparent 70%);
  bottom: -220px; left: -100px;
}

.header-inner { position: relative; z-index: 1; }

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--muted);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), rgba(var(--accent-rgb), 0.55));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.4);
}

.admin-link {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.admin-link:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--text), var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: clamp(14px, 1.6vw, 18px);
  max-width: 640px;
}

/* ============================================================ */
/*  Public: section head + grid                                   */
/* ============================================================ */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-top: 40px;
}
.section-head h2 { margin: 0; font-size: 20px; font-weight: 700; }
.section-head .count {
  font-size: 13px;
  color: var(--muted-soft);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
  padding: 22px 0 70px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  animation: card-in 0.4s ease both;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: var(--shadow-md);
}
.card:hover .card-thumb model-viewer { transform: scale(1.04); }

.card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(160deg, var(--bg-soft), #0b0d13) center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.card-thumb model-viewer {
  width: 100%; height: 100%;
  --poster-color: transparent;
  transition: transform 0.35s ease;
  pointer-events: none;
}
.thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-soft);
}

.ar-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10, 11, 15, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--accent);
  z-index: 2;
  backdrop-filter: blur(4px);
}

.card-body { padding: 16px 18px 18px; }
.card-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}
.card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 70px 24px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  margin-top: 40px;
  font-size: 15px;
}

/* ============================================================ */
/*  Modal / AR viewer                                             */
/* ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 5, 8, 0.78);
  backdrop-filter: blur(6px);
  animation: fade-in 0.2s ease;
}
.modal-body {
  position: relative;
  width: min(700px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-lg);
  animation: modal-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition: background 0.15s ease, transform 0.15s ease;
}
.modal-close:hover { background: rgba(0, 0, 0, 0.8); transform: scale(1.06); }

#viewer-mount model-viewer {
  width: 100%;
  height: min(56vh, 480px);
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  --poster-color: var(--bg-soft);
}
.modal-meta { padding: 18px 8px 6px; }
.modal-meta h2 { margin: 0 0 8px; font-size: 20px; }
.modal-meta p { color: var(--muted); margin: 0 0 14px; font-size: 14px; }

.ar-hint {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--muted);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 0;
}
.ar-hint b { color: var(--text); }

/* AR button injected via model-viewer slot */
.ar-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  position: absolute;
  bottom: 16px;
  right: 16px;
  box-shadow: 0 10px 26px rgba(var(--accent-rgb), 0.45);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.ar-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.ar-btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

.site-footer {
  color: var(--muted-soft);
  font-size: 13px;
  padding: 30px 24px 50px;
  text-align: center;
}
code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 12.5px;
}

/* ============================================================ */
/*  Responsive: public                                            */
/* ============================================================ */
@media (max-width: 640px) {
  .site-header { padding: 40px 0 44px; }
  .container { padding: 0 16px; }
  .grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; padding: 18px 0 50px; }
  .card-body { padding: 12px 14px 14px; }
  .card-body h3 { font-size: 14.5px; }
  .card-body p { font-size: 12.5px; }
  .modal { padding: 0; align-items: flex-end; }
  .modal-body {
    width: 100%;
    max-height: 94vh;
    border-radius: 20px 20px 0 0;
    animation: modal-in-mobile 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }
  @keyframes modal-in-mobile {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .ar-btn { right: 12px; bottom: 12px; padding: 11px 18px; font-size: 13px; }
}

/* ============================================================ */
/*  Admin shell                                                   */
/* ============================================================ */
.admin-shell { max-width: 960px; margin: 0 auto; padding: 36px 20px 80px; }

.topbar {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 14px 20px;
  background: rgba(20, 22, 31, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 800; }
.topbar .topbar-actions { display: flex; align-items: center; gap: 14px; }
.topbar a { font-size: 14px; color: var(--muted); }
.topbar a:hover { color: var(--text); }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md);
}
.panel h2 {
  margin: 0 0 20px;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel h2::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  margin-bottom: 7px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
}
.field input[type="text"],
.field input[type="password"],
.field textarea,
.field select {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field input[type="text"]:focus,
.field input[type="password"]:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--accent);
  background: var(--card-hover);
  outline: none;
}
.field input[type="color"] {
  width: 100%;
  height: 46px;
  padding: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.field textarea { min-height: 90px; resize: vertical; }

.field input[type="file"] {
  width: 100%;
  color: var(--muted);
  font-size: 13px;
  padding: 10px 4px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  cursor: pointer;
}
.field input[type="file"]::file-selector-button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-family: inherit;
  font-weight: 700;
  font-size: 12.5px;
  margin-left: 12px;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.field input[type="file"]::file-selector-button:hover { filter: brightness(1.1); }

.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 220px; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 700;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 8px 20px rgba(var(--accent-rgb), 0.3);
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.secondary { background: var(--border-strong); box-shadow: none; }
.btn.danger { background: #e74c3c; box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3); }
.btn.small { padding: 8px 14px; font-size: 12.5px; }

/* Login */
.login-screen {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-card h2 { justify-content: center; }
.login-card h2::before { display: none; }
.login-card .btn { width: 100%; margin-top: 6px; }

/* Model cards (admin) */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.admin-model {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.admin-model:hover { border-color: var(--border-strong); }
.admin-model.selected { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.35); }
.admin-model .amv-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: var(--card);
  overflow: hidden;
}
.admin-model .select-check {
  align-self: flex-start;
  width: 20px;
  height: 20px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--accent);
}
.admin-model .amv { width: 100%; height: 100%; object-fit: cover; }
.admin-model .info h4 { margin: 0 0 4px; font-size: 15px; }
.admin-model .info small { color: var(--muted); font-size: 12.5px; }
.admin-model .badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.admin-model .actions { display: flex; gap: 8px; margin-top: 4px; }
.admin-model .actions .btn { flex: 1; }

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.ok { color: #2ecc71; border-color: rgba(46, 204, 113, 0.4); background: rgba(46, 204, 113, 0.08); }
.badge.miss { color: #e67e22; border-color: rgba(230, 126, 34, 0.4); background: rgba(230, 126, 34, 0.08); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  left: auto;
  max-width: min(360px, calc(100vw - 32px));
  background: #14161f;
  border: 1px solid var(--border-strong);
  border-right: 4px solid var(--accent);
  color: var(--text);
  padding: 14px 18px;
  border-radius: 12px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  animation: toast-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.toast.err { border-right-color: #e74c3c; }
.toast.ok { border-right-color: #2ecc71; }

/* ============================================================ */
/*  Responsive: admin                                             */
/* ============================================================ */
@media (max-width: 640px) {
  .admin-shell { padding: 20px 14px 60px; }
  .topbar {
    border-radius: var(--radius-sm);
    top: 8px;
    padding: 12px 16px;
  }
  .panel { padding: 18px; border-radius: var(--radius-sm); }
  .row { flex-direction: column; gap: 10px; }
  .row > .field { min-width: 0; }
  .model-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .toast { right: 16px; left: 16px; max-width: none; }
}

/* ============================================================ */
/*  Room (multi-model AR picker)                                  */
/* ============================================================ */
.support-banner {
  margin-top: 24px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(230, 126, 34, 0.1);
  border: 1px solid rgba(230, 126, 34, 0.35);
  color: #f0a860;
  font-size: 14px;
}

.pick-card { position: relative; }
.pick-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(10, 11, 15, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  z-index: 2;
  transition: all 0.15s ease;
}
.pick-card.picked { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.35); }
.pick-card.picked .pick-check {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.room-cta {
  position: sticky;
  bottom: 20px;
  z-index: 5;
  margin: 0 auto 30px;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(20, 22, 31, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 10px 10px 10px 20px;
  box-shadow: var(--shadow-lg);
}
.room-cta span { font-size: 13.5px; color: var(--muted); white-space: nowrap; }
.room-cta .btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* AR overlay (rendered via WebXR dom-overlay while the session is active) */
.ar-overlay {
  position: fixed;
  inset: 0;
  z-index: 41;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  font-family: var(--font);
}
.ar-overlay * { pointer-events: auto; }

.ar-top { position: relative; z-index: 2; display: flex; align-items: center; gap: 12px; }
.ar-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 11, 15, 0.65);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.ar-hint-pill {
  flex: 1;
  background: rgba(10, 11, 15, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

/* لایه‌ی نامرئی که فقط حین جابجایی/چرخش/تغییر‌اندازه لمس‌ها رو می‌گیره؛
   z-index پایین‌تر از بقیه‌ی کنترل‌ها تا دکمه‌ها همیشه قابل‌کلیک بمونن. */
#ar-gesture-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  touch-action: none;
  pointer-events: none;
}

/* پنل مدل انتخاب‌شده: دیگه شناور نیست — همیشه یه ورق‌ (sheet) ثابته که به
   پایین صفحه چسبیده، تا کاربر همیشه بدونه کنترل‌ها رو کجا پیدا کنه. */
.ar-selected-panel {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(16, 18, 27, 0.82), rgba(10, 11, 15, 0.94));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px 22px 0 0;
  backdrop-filter: blur(16px);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
  padding: 6px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  animation: sheet-in 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes sheet-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.ar-sheet-handle {
  width: 36px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  margin: 8px auto 10px;
}
.ar-sheet-head { display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
.ar-sheet-name {
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.18);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
}

.ar-mode-row { display: flex; align-items: center; justify-content: center; gap: 10px; }
.ar-mode-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 16px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  flex: 1;
  justify-content: center;
  max-width: 220px;
  transition: background 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
}
.ar-mode-btn:active { transform: scale(0.95); }
.ar-mode-btn:hover { background: rgba(255, 255, 255, 0.13); border-color: rgba(255, 255, 255, 0.28); }
.ar-mode-btn.danger { background: rgba(231, 76, 60, 0.16); border-color: rgba(231, 76, 60, 0.4); color: #ff8a75; }
.ar-mode-btn.danger:hover { background: rgba(231, 76, 60, 0.28); }
.ar-mode-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  padding: 12px 26px;
  flex-direction: row;
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.4);
}
.ar-locked-label, .ar-mode-active-label { color: #fff; font-size: 13.5px; font-weight: 700; padding: 0 8px; }
.ar-mode-row .ar-mode-btn { flex: none; }

.ar-chip-strip {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px;
}
.ar-chip {
  flex: none;
  background: rgba(10, 11, 15, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
.ar-chip.active { background: var(--accent); border-color: var(--accent); }

/* دکمه‌ی هاید/آنهاید پنل اشیای صحنه (تو ردیف بالا، کنار دکمه‌ی خروج) */
.ar-objects-toggle { position: relative; }
.ar-objects-badge {
  position: absolute;
  top: -5px;
  inset-inline-start: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 10.5px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px rgba(10, 11, 15, 0.75);
}
.ar-icon-btn-sm { width: 32px; height: 32px; font-size: 16px; }

/* پنل اشیای صحنه: کشوی شیشه‌ای زیر نوار بالا، لیست همه‌ی مدل‌های گذاشته‌شده */
.ar-objects-panel {
  position: absolute;
  top: 66px;
  left: 18px;
  right: 18px;
  z-index: 3;
  max-height: min(52vh, 440px);
  overflow-y: auto;
  background: rgba(14, 16, 24, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 55px rgba(0, 0, 0, 0.5);
  padding: 8px;
  animation: objects-in 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes objects-in {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.ar-objects-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 10px;
}
.ar-objects-title { color: #fff; font-size: 13.5px; font-weight: 800; }
.ar-objects-list { display: flex; flex-direction: column; gap: 6px; }

.ar-obj-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 8px 10px;
  cursor: pointer;
  font-family: inherit;
  text-align: right;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.ar-obj-item:hover { background: rgba(255, 255, 255, 0.09); }
.ar-obj-item.active {
  background: rgba(var(--accent-rgb), 0.18);
  border-color: rgba(var(--accent-rgb), 0.55);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.3) inset;
}
.ar-obj-avatar {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, hsl(var(--hue, 260) 70% 55%), hsl(calc(var(--hue, 260) + 40) 70% 45%));
}
.ar-obj-info { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ar-obj-name {
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ar-obj-tag { color: var(--muted); font-size: 11px; }
.ar-obj-del {
  flex: none;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--muted);
  transition: background 0.15s ease, color 0.15s ease;
}
.ar-obj-del:hover { background: rgba(231, 76, 60, 0.2); color: #ff8a75; }
.ar-objects-empty {
  display: none;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 26px 12px;
}
.ar-objects-list:empty + .ar-objects-empty { display: block; }

body.ar-active #picker-screen { visibility: hidden; }

/* ============================================================ */
/*  Admin: layout packs                                           */
/* ============================================================ */
.pack-model-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.pack-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s ease;
}
.pack-toggle.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.pack-canvas-3d {
  position: relative;
  width: 100%;
  height: 340px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  touch-action: none;
  cursor: grab;
}
.pack-canvas-3d canvas { display: block; width: 100%; height: 100%; }
.pack-canvas-3d:active { cursor: grabbing; }

.pack-inspector {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.pack-inspector-name { display: block; margin-bottom: 10px; font-size: 14px; }
.pack-inspector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.pack-inspector-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.pack-inspector-grid input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-family: inherit;
  font-size: 13px;
}

/* ============================================================ */
/*  Room: mode tabs                                               */
/* ============================================================ */
.room-tabs { display: flex; gap: 10px; margin-top: 24px; }
.room-tab {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}
.room-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.bulk-result {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.6;
}

/* ============================================================ */
/*  Admin: bulk select/delete toolbar                             */
/* ============================================================ */
.panel-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.panel-head-row h2 { margin: 0; }
.bulk-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.bulk-select-all {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.bulk-select-all input { accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }
.bulk-count { font-size: 13px; color: var(--muted-soft); }
.bulk-size-apply { display: flex; align-items: center; gap: 6px; }
.bulk-size-apply input {
  width: 92px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  padding: 7px 12px;
  font-size: 13px;
  font-family: inherit;
}