:root {
  --bg: #0a0a0a;
  --glass: rgba(18, 18, 18, 0.82);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hover: rgba(255, 255, 255, 0.12);
  --text: #e8e8e8;
  --text-muted: #777;
  --accent: #cd6f3a;
  --ok: #2a8c73;
  --danger: #c74f4f;
  --radius: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  overflow: hidden;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
}

#viewer {
  width: 100%;
  height: 100%;
  display: block;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand-badge {
  position: fixed;
  top: 14px;
  left: 14px;
  padding: 8px 14px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
  z-index: 40;
  pointer-events: auto;
}

.sphere-name-wrap {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  padding: 6px 14px;
  cursor: pointer;
  z-index: 40;
  pointer-events: auto;
}

.sphere-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1.05rem;
  color: var(--text);
  padding: 0 10px;
}

.sphere-name-input {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  color: var(--text);
  font-size: 1.05rem;
  padding: 4px 8px;
  font-family: inherit;
  outline: none;
  width: 200px;
  max-width: 100%;
}
.sphere-name-input:focus {
  border-color: var(--accent);
}



.overlay-layer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 35;
}

.tool-group {
  pointer-events: auto;
  position: fixed;
  top: 70px;
  width: 56px;
  padding: 4px;
  display: grid;
  gap: 6px;
}

.tool-group-left {
  left: 14px;
  top: 70px;
}

.tool-group-right {
  right: 14px;
  top: 70px;
}

.tool-sep {
  height: 1px;
  background: var(--glass-border);
  margin: 2px 4px;
}

.tool-btn,
.icon-btn {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-color: var(--glass-border);
  background: rgba(0, 0, 0, 0.35);
}

.tool-btn:hover,
.icon-btn:hover {
  background: var(--glass-hover);
  color: var(--accent);
  border-color: rgba(205, 111, 58, 0.45);
}

.tool-btn:active,
.icon-btn:active {
  transform: scale(0.98);
}

.tool-btn:disabled,
.icon-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.tool-btn.danger:hover {
  color: var(--danger);
  border-color: rgba(199, 79, 79, 0.55);
}

.tool-btn.toggle-on {
  border-color: rgba(205, 111, 58, 0.8);
  box-shadow: 0 0 0 1px rgba(205, 111, 58, 0.24), 0 0 16px rgba(205, 111, 58, 0.24);
}

.tool-btn.tool-on {
  border-color: rgba(42, 140, 115, 0.9);
  box-shadow: 0 0 0 1px rgba(42, 140, 115, 0.3), 0 0 16px rgba(42, 140, 115, 0.28);
}

#crosshair {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 34px;
  height: 34px;
  margin-left: -17px;
  margin-top: -17px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
  z-index: 25;
}

#crosshair::before,
#crosshair::after {
  content: "";
  position: absolute;
  background: rgba(205, 111, 58, 0.88);
}

#crosshair::before {
  left: 50%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

#crosshair::after {
  top: 50%;
  height: 1px;
  width: 100%;
  transform: translateY(-50%);
}

.status-pill {
  position: fixed;
  top: 14px;
  right: 14px;
  padding: 8px 14px;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 500;
  color: #bbb;
  z-index: 40;
  pointer-events: auto;
}

.pill-sep {
  opacity: 0.7;
}

.filmstrip {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: 10px;
  z-index: 30;
  min-height: 140px;
  pointer-events: auto;
  padding: 10px;
  display: flex;
  align-items: center;
  transition: right 300ms cubic-bezier(0.4, 0, 0.2, 1), width 300ms cubic-bezier(0.4, 0, 0.2, 1);
  width: auto;
}

.filmstrip.collapsed {
  width: 60px;
  right: auto;
}

.filmstrip-track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  flex: 1;
  transition: opacity 200ms ease;
}

.filmstrip.collapsed .filmstrip-track {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.filmstrip-track::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.tray-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background 150ms ease, color 150ms ease;
  flex-shrink: 0;
  margin-left: 8px;
  position: relative;
}

.tray-toggle-btn:hover {
  background: var(--glass-hover);
  color: var(--text);
}

.collapsed-icon {
  display: none;
  position: relative;
  font-size: 1.2rem;
}

.tiny-sub-icon {
  position: absolute;
  bottom: -2px;
  right: -4px;
  font-size: 0.6rem;
  color: var(--accent);
  background: var(--bg);
  border-radius: 50%;
  padding: 2px;
}

.filmstrip.collapsed .collapse-icon {
  display: none;
}

.filmstrip.collapsed .collapsed-icon {
  display: block;
}

.filmstrip.collapsed .tray-toggle-btn {
  width: 40px;
  height: 40px;
  margin-left: 0;
}

.film-thumb {
  width: 52px;
  min-width: 52px;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.2, 0, 0, 1);
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  transform-origin: bottom center;
}

.film-thumb:hover {
  width: 62px;
  min-width: 62px;
  transform: translateY(-4px);
  z-index: 10;
  margin: 0 4px;
}

.film-thumb:has(+ .film-thumb:hover),
.film-thumb:hover + .film-thumb {
  width: 56px;
  min-width: 56px;
  transform: translateY(-2px);
  margin: 0 2px;
}

.film-thumb-media {
  width: 100%;
  aspect-ratio: 1 / 1;
  box-sizing: border-box;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: #111 center / cover no-repeat;
  position: relative;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.film-thumb:hover .film-thumb-media {
  border-color: var(--accent);
}

.film-thumb.active .film-thumb-media {
  border: 2px solid var(--ok);
  box-shadow: 0 0 16px rgba(42, 140, 115, 0.26);
}

.film-label-wrap {
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  min-width: 0;
}

.film-label {
  color: #c6c6c6;
  font-size: 0.64rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  transition: font-size 200ms ease;
}

.film-thumb:hover .film-label {
  font-size: 0.68rem;
  color: #fff;
}

.film-divider {
  width: 1px;
  min-width: 1px;
  height: 44px;
  align-self: center;
  margin: 0 6px;
  background: rgba(255, 255, 255, 0.35);
}

.film-thumb-hotspot .film-thumb-media {
  border-color: rgba(209, 115, 64, 0.5);
}

.film-hotspot-index {
  position: absolute;
  right: -6px;
  top: -6px;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  background: rgba(209, 115, 64, 0.95);
  color: #fff;
  font-size: 0.58rem;
  line-height: 16px;
  text-align: center;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.film-thumb-hotspot.dragging {
  opacity: 0.45;
}

.film-thumb-hotspot.drag-target .film-thumb-media {
  border-color: var(--ok);
  box-shadow: 0 0 0 2px rgba(42, 140, 115, 0.35);
}

.film-edit-btn {
  background: transparent;
  border: none;
  color: #888;
  cursor: pointer;
  padding: 2px;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 150ms ease;
}

.film-edit-btn:hover {
  color: var(--accent);
}

.film-start {
  position: absolute;
  top: 6px;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid rgba(42, 140, 115, 0.5);
  background: rgba(14, 28, 24, 0.85);
  color: #8ce0c9;
  font-size: 0.62rem;
}

.filmstrip-empty {
  width: 100%;
  min-height: 86px;
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.toast-container {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.toast {
  min-width: 220px;
  max-width: min(80vw, 520px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
  background: #c28a37;
}

.toast-ok .toast-dot {
  background: var(--ok);
}

.toast-error .toast-dot {
  background: var(--danger);
}

.progress-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.56);
  z-index: 60;
  pointer-events: none;
}

.progress-overlay.show {
  display: flex;
}

.progress-card {
  width: min(440px, calc(100vw - 24px));
  padding: 14px;
}

.progress-title {
  color: var(--text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
}

.progress-msg {
  margin: 8px 0;
  font-size: 0.72rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(42, 140, 115, 0.88), #5ac6a8);
  transition: width 120ms linear;
}

.progress-pct {
  margin-top: 7px;
  text-align: right;
  font-size: 0.7rem;
  color: #bcbcbc;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.74);
  z-index: 70;
  padding: 16px;
}

.modal-overlay.show {
  display: flex;
}

.modal-card {
  width: min(92vw, 980px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.sphere-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.sphere-grid-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  text-align: center;
  transition: all 150ms ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sphere-grid-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.sphere-grid-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
  background: #000;
}

.sphere-grid-item .name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.modal-head {
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  font-size: 0.75rem;
}

.modal-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  min-height: 0;
}

.modal-image-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Tooltips */
[data-title] {
  position: relative;
}

[data-title]::after {
  content: attr(data-title);
  position: absolute;
  background: rgba(10, 10, 10, 0.95);
  color: var(--text);
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--glass-border);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

[data-title]:hover::after {
  opacity: 1;
}

.tooltip-left::after {
  right: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%) translateX(4px);
}
.tooltip-left:hover::after {
  transform: translateY(-50%) translateX(0);
}

.tooltip-right::after {
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%) translateX(-4px);
}
.tooltip-right:hover::after {
  transform: translateY(-50%) translateX(0);
}

.sphere-name-wrap[data-title]::after {
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
}
.sphere-name-wrap[data-title]:hover::after {
  transform: translateX(-50%) translateY(0);
}

.modal-card {
  width: min(1000px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
}

.modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-foot {
  padding: 16px 20px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: flex-end;
}

.content-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.content-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.content-wrap model-viewer {
  width: 100%;
  height: 100%;
}

.text-content {
  padding: 24px;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  font-size: 1.1rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.glass-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 12px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 200ms ease;
}

.glass-input:focus {
  outline: none;
  border-color: var(--accent);
}

select.glass-input {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e8e8e8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

.cta-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 200ms ease;
}

.cta-btn:hover {
  background: #a95627;
}



.helper-box {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  z-index: 40;
  pointer-events: none;
}

.helper-box i {
  color: var(--accent);
}

.context-menu {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  padding: 6px;
  gap: 4px;
  z-index: 40;
  transform: translate(-50%, -120%);
  pointer-events: auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.ctx-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 4px 12px;
  margin-top: 4px;
}

.ctx-sep {
  height: 1px;
  background: var(--glass-border);
  margin: 4px 0;
}

.ctx-btn {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 6px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 150ms ease;
  width: 100%;
}

.ctx-action-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.ctx-btn:hover {
  background: var(--glass-hover);
}

.ctx-btn.danger-text {
  color: var(--danger, #ff5555);
}

.hidden {
  display: none !important;
}

@media (max-width: 860px) {
  .tool-group {
    width: 48px;
    padding: 3px;
    gap: 5px;
  }

  .tool-btn {
    width: 42px;
    height: 42px;
  }

  .topbar {
    grid-template-columns: minmax(110px, 1fr) minmax(88px, 1fr) minmax(100px, 1fr);
  }

  .sphere-name {
    font-size: 0.88rem;
  }

  .filmstrip {
    min-height: 110px;
    padding: 8px;
  }

  .film-thumb {
    width: 120px;
    min-width: 120px;
  }

  .status-pill {
    bottom: 126px;
  }
}

/* ── Composition Overlays ──────────────────────── */

.canvas-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  transition: opacity 200ms ease;
}

.overlay-hidden {
  opacity: 0;
  visibility: hidden;
}

/* Center target */
.overlay-target {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--overlay-color, #ff00cc);
  border-radius: 50%;
}
.overlay-target::before,
.overlay-target::after {
  content: '';
  position: absolute;
  background: var(--overlay-color, #ff00cc);
}
.overlay-target::before {
  width: 1px;
  height: 24px;
  left: 50%;
  top: -30px;
  box-shadow: 0 114px 0 var(--overlay-color, #ff00cc);
}
.overlay-target::after {
  height: 1px;
  width: 24px;
  top: 50%;
  left: -30px;
  box-shadow: 114px 0 0 var(--overlay-color, #ff00cc);
}

/* Thumbnail guide – shows 16:9 center crop */
.overlay-thumb-guide {
  position: absolute;
  inset: 0;
  --thumb-guide-h: min(86%, 86vh);
  --thumb-guide-w: calc(var(--thumb-guide-h) * 0.75);
}

.thumb-guide-frame {
  position: absolute;
  width: var(--thumb-guide-w);
  height: var(--thumb-guide-h);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed var(--overlay-color, #ff00cc);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.44);
  border-radius: 2px;
}

.thumb-guide-frame::before {
  content: 'THUMBNAIL';
  position: absolute;
  top: -26px;
  left: 0;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--overlay-color, #ff00cc);
  pointer-events: none;
}

.thumb-guide-controls {
  position: absolute;
  top: calc(50% - (var(--thumb-guide-h) / 2) - 44px);
  right: calc(50% - (var(--thumb-guide-w) / 2));
  display: none;
  gap: 8px;
  z-index: 41;
  pointer-events: auto;
}

.thumb-guide-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(18, 18, 18, 0.88);
  color: #d9d9d9;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.thumb-guide-toggle.active {
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(205, 111, 58, 0.26), 0 4px 14px rgba(0, 0, 0, 0.45);
}

.thumb-guide-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 54px;
  height: 54px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--overlay-color, #ff00cc);
  border-radius: 50%;
}

.thumb-guide-center::before,
.thumb-guide-center::after {
  content: '';
  position: absolute;
  background: var(--overlay-color, #ff00cc);
}

.thumb-guide-center::before {
  width: 1px;
  height: 16px;
  left: 50%;
  top: -20px;
  box-shadow: 0 58px 0 var(--overlay-color, #ff00cc);
}

.thumb-guide-center::after {
  width: 16px;
  height: 1px;
  top: 50%;
  left: -20px;
  box-shadow: 58px 0 0 var(--overlay-color, #ff00cc);
}

.thumb-guide-thirds {
  position: absolute;
  inset: 0;
}

/* Lens-style FOV Dial */
.fov-dial {
  position: fixed;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 112px;
  padding: 10px 8px 8px;
  z-index: 40;
  display: grid;
  justify-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
}

.fov-dial-ring {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at center, rgba(10, 10, 10, 0.88) 38%, rgba(205, 111, 58, 0.17) 40%, rgba(255, 255, 255, 0.08) 74%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 14px rgba(0, 0, 0, 0.65);
}

.fov-dial-needle {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 32px;
  background: linear-gradient(180deg, var(--accent), rgba(205, 111, 58, 0.25));
  transform-origin: 50% calc(100% - 2px);
  transform: translate(-50%, -100%) rotate(0deg);
  border-radius: 999px;
  transition: transform 120ms linear;
}

.fov-dial-center {
  position: absolute;
  inset: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  gap: 0;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.fov-dial-mm {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
}

.fov-dial-unit {
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fov-dial-range {
  width: 86px;
}

.fov-dial-deg {
  font-size: 0.67rem;
  color: #b8b8b8;
  letter-spacing: 0.03em;
}

.take-thumb-shot-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 96, 96, 0.55);
  background: radial-gradient(circle at 35% 30%, #ff8a8a, #c82929 55%, #8e1212 100%);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 120ms ease, box-shadow 140ms ease;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 8px 14px rgba(120, 0, 0, 0.45);
}

.take-thumb-shot-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 0 0 1px rgba(255, 150, 150, 0.2), 0 10px 18px rgba(140, 0, 0, 0.52);
}

.take-thumb-shot-btn:active {
  transform: scale(0.98);
}

.thumb-capture-close-btn {
  position: fixed;
  top: calc(50% - ((min(86%, calc(86vh * 16 / 9)) * 9 / 16) / 2) - 18px);
  right: calc(50% - (min(86%, calc(86vh * 16 / 9)) / 2) - 18px);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(18, 18, 18, 0.88);
  color: #fff;
  display: none;
  place-items: center;
  cursor: pointer;
  z-index: 46;
}

.thumb-capture-mode .tool-group,
.thumb-capture-mode .brand-badge,
.thumb-capture-mode .sphere-name-wrap,
.thumb-capture-mode .status-pill,
.thumb-capture-mode .filmstrip,
.thumb-capture-mode .mode-toggle,
.thumb-capture-mode .overlay-panel,
.thumb-capture-mode .settings-panel {
  opacity: 0 !important;
  pointer-events: none !important;
}

.thumb-capture-mode .fov-dial {
  top: 14px;
  right: 14px;
  transform: none;
  opacity: 1;
  pointer-events: auto;
}

.thumb-capture-mode .thumb-capture-close-btn {
  display: grid;
}

.thumb-capture-mode #overlayThumbGuide:not(.overlay-hidden) .thumb-guide-controls {
  display: flex;
}

/* Rule of thirds */
.thirds-line {
  position: absolute;
  background: var(--overlay-color, #ff00cc);
  opacity: 0.6;
}
.thirds-v { width: 1px; top: 0; bottom: 0; }
.thirds-h { height: 1px; left: 0; right: 0; }
.thirds-v1 { left: 33.333%; }
.thirds-v2 { left: 66.666%; }
.thirds-h1 { top: 33.333%; }
.thirds-h2 { top: 66.666%; }

/* ── Mode Toggle ───────────────────────────────── */

.mode-toggle {
  border-color: rgba(205, 111, 58, 0.45);
}

.mode-toggle span {
  display: none;
}

.mode-toggle[data-mode="edit"] {
  color: var(--accent);
}

.mode-toggle[data-mode="tour"] {
  color: var(--ok);
  border-color: rgba(42, 140, 115, 0.55);
  box-shadow: 0 0 0 1px rgba(42, 140, 115, 0.3), 0 0 12px rgba(42, 140, 115, 0.24);
}

/* ── Overlays Panel ────────────────────────────── */

.overlay-panel {
  position: fixed;
  left: 78px;       /* right of the left toolbar (64px wide + gap) */
  top: 70px;
  width: 210px;
  padding: 10px 6px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transform: translateX(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 200ms ease, opacity 200ms ease;
}

.overlay-panel.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.overlay-panel-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 2px 10px 8px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 4px;
}

.overlay-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text);
  transition: background 150ms ease;
}

.overlay-toggle-row:hover {
  background: var(--glass-hover);
}

.overlay-toggle-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.overlay-toggle-row i {
  color: var(--text-muted);
  width: 14px;
  text-align: center;
}

.overlay-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text);
  border-top: 1px solid var(--glass-border);
  margin-top: 4px;
}

.overlay-color-row i {
  color: var(--text-muted);
  width: 14px;
  text-align: center;
}

.overlay-color-row span {
  flex: 1;
}

.overlay-color-row input[type="color"] {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  border-radius: 4px;
}

/* Mask Settings Panel */
.settings-panel {
  position: fixed;
  left: 78px;
  top: 298px;
  width: 250px;
  padding: 10px 6px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateX(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 200ms ease, opacity 200ms ease;
}

.settings-panel.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text);
}

.settings-row:hover {
  background: var(--glass-hover);
}

.settings-row i {
  color: var(--text-muted);
  width: 14px;
  text-align: center;
}

.settings-row span {
  flex: 1;
}

.settings-row input[type="color"] {
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

.settings-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.settings-range-row input[type="range"] {
  width: 80px;
}

.settings-value {
  min-width: 42px;
  text-align: right;
  color: #bdbdbd;
  font-size: 0.78rem;
}

.settings-number {
  width: 64px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  color: var(--text);
  padding: 4px 6px;
}

/* ── Magnifier Loupe ──────────────────────────────────────────────────── */
#maskLoupe {
  position: fixed;
  width: 120px;
  height: 120px;
  pointer-events: none;
  z-index: 90;
  border-radius: 50%;
  border: 2px solid rgba(205, 111, 58, 0.9);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.6),
    0 8px 32px rgba(0,0,0,0.55);
  overflow: hidden;
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 120ms ease, transform 120ms ease;
}

#maskLoupe::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 14px;
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 3px solid transparent;
  border-top: 9px solid rgba(205, 111, 58, 0.9);
}

#maskLoupe.loupe-visible {
  opacity: 1;
  transform: scale(1);
}

#maskLoupe canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.loupe-cross {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.loupe-cross::before,
.loupe-cross::after {
  content: "";
  position: absolute;
  background: rgba(255, 60, 60, 0.85);
}

.loupe-cross::before {
  left: 50%;
  top: 20%;
  width: 1px;
  height: 60%;
  transform: translateX(-50%);
}

.loupe-cross::after {
  top: 50%;
  left: 20%;
  height: 1px;
  width: 60%;
  transform: translateY(-50%);
}

/* Tour Panel Styles */
.tour-panel {
  position: fixed;
  bottom: 160px;
  right: 16px;
  width: 280px;
  max-height: 400px;
  padding: 12px;
  border-radius: 8px;
  background: rgba(20, 20, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: none;
  flex-direction: column;
  z-index: 50;
  overflow-y: auto;
}

.tour-panel.is-visible {
  display: flex;
}

.tour-hotspot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tour-hotspot-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tour-hotspot-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.tour-hotspot-item.is-active {
  background: rgba(209, 115, 64, 0.2);
  border-color: rgba(209, 115, 64, 0.5);
}

.tour-hotspot-thumbnail {
  width: 48px;
  height: 32px;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  flex-shrink: 0;
}

.tour-hotspot-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tour-hotspot-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tour-hotspot-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tour-hotspot-details {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

.tour-hotspot-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.tour-hotspot-actions button {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: all 0.2s ease;
}

.tour-hotspot-actions button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tour-hotspot-actions button.danger:hover {
  background: rgba(209, 115, 64, 0.5);
}

.camera-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-bottom: 8px;
}

.camera-stat {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

.camera-stat span {
  color: #fff;
  font-weight: 500;
  font-family: monospace;
}