/* ═══════════════════════════════════════════════════════════════
   Stamp Studio — Midnight Indigo redesign
   Space Grotesk (display) + DM Sans (body), dashboard rail layout
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Surfaces — deep midnight indigo */
  --bg-app: #08081a;
  --bg-canvas: #0a0a1e;
  --bg-panel: #0f0f26;
  --bg-panel-2: #141432;
  --bg-elev: #1a1a3a;
  --bg-hover: rgba(99, 102, 241, 0.08);
  --bg-active: rgba(99, 102, 241, 0.18);

  /* Borders — thin luminous seams */
  --border: rgba(140, 140, 200, 0.1);
  --border-strong: rgba(140, 140, 200, 0.22);
  --border-glow: rgba(99, 102, 241, 0.35);

  /* Text */
  --text: #eef0ff;
  --text-dim: #a5a5c6;
  --text-muted: #6a6a90;

  /* Brand — electric indigo */
  --accent: #4f46e5;
  --accent-hi: #6366f1;
  --accent-2: #818cf8;
  --accent-bg: rgba(79, 70, 229, 0.16);
  --accent-soft: rgba(99, 102, 241, 0.08);
  --accent-glow:
    0 0 0 1px rgba(99, 102, 241, 0.35), 0 8px 28px -8px rgba(79, 70, 229, 0.55);
  --danger: #ef4444;
  --success: #10b981;

  /* Gradients */
  --grad-panel: linear-gradient(
    180deg,
    rgba(30, 30, 90, 0.35) 0%,
    rgba(15, 15, 38, 0.6) 100%
  );
  --grad-accent: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --grad-hair: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.35),
    transparent
  );

  /* Radii */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* Sizing */
  --topbar-h: 52px;
  --toolrail-w: 260px;

  /* Icon sizes */
  --icon-sm: 22px;
  --icon-md: 28px;
  --icon-lg: 32px;

  /* Type */
  --font-display:
    "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --font:
    "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -12px rgba(0, 0, 0, 0.6);
  --shadow-lg:
    0 24px 60px -20px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(99, 102, 241, 0.12);
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background:
    radial-gradient(
      ellipse 1200px 600px at 20% -10%,
      rgba(79, 70, 229, 0.15),
      transparent 60%
    ),
    radial-gradient(
      ellipse 900px 500px at 100% 110%,
      rgba(124, 58, 237, 0.12),
      transparent 60%
    ),
    var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  letter-spacing: 0.005em;
}
button {
  font-family: inherit;
  cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
.prop-label,
.rep-title,
.logo-text,
.ts-head-label,
.ls-zone-title,
.zoom-label {
  font-family: var(--font-display);
  letter-spacing: -0.005em;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.18);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.32);
  background-clip: padding-box;
  border: 2px solid transparent;
}

/* ─── APP SHELL ─── */
.app-shell {
  height: 100vh;
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr;
  background: transparent;
}

/* ═══════════════════ TOP BAR ═══════════════════ */
.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "left center right";
  align-items: center;
  background: linear-gradient(
    180deg,
    rgba(20, 20, 50, 0.85),
    rgba(15, 15, 38, 0.85)
  );
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--border);
  padding: 0 14px;
  gap: 16px;
  user-select: none;
  position: relative;
  z-index: 50;
}
.topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: var(--grad-hair);
  pointer-events: none;
}
.tb-section {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tb-left {
  grid-area: left;
  gap: 10px;
}
.tb-sidebar-toggle {
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--bg-panel-2);
}
.tb-sidebar-toggle:hover {
  background: var(--bg-hover);
  border-color: var(--border-glow);
}
.tb-center-controls {
  grid-area: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.tb-right {
  grid-area: right;
  justify-content: flex-end;
  gap: 8px;
}
.tb-sep {
  width: 1px;
  height: 24px;
  background: var(--border-strong);
  margin: 0 8px;
  opacity: 0.6;
}
.logo-img {
  width: 26px;
  height: 26px;
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}
.tb-doc-title {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
}

/* Icon buttons */
.tb-icon {
  width: var(--icon-lg);
  height: var(--icon-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  transition: all 0.15s ease;
}
.tb-icon:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border);
}
.tb-icon[aria-pressed="true"] {
  background: var(--accent-bg);
  color: var(--accent-2);
  border-color: var(--border-glow);
}
.tb-icon--danger:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Ghost buttons — File / Save */
.tb-btn-ghost,
.tb-menubtn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.tb-btn-ghost:hover,
.tb-menubtn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-strong);
}
.tb-menubtn {
  background: var(--grad-accent);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 14px -4px rgba(79, 70, 229, 0.5);
}
.tb-menubtn:hover {
  background: var(--grad-accent);
  color: #fff;
  filter: brightness(1.1);
  box-shadow: 0 6px 20px -4px rgba(79, 70, 229, 0.7);
}

/* Toolbar shape draggables (topbar) */
.tb-shapes .ls-zone-grid {
  display: flex;
  gap: 4px;
  padding: 0;
}
.tb-shapes .ls-zone-item {
  width: var(--icon-md);
  height: var(--icon-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 13px;
  cursor: grab;
  transition: all 0.15s ease;
}
.tb-shapes .ls-zone-item:hover {
  color: var(--accent-2);
  background: var(--accent-bg);
  border-color: var(--border-glow);
  transform: translateY(-1px);
}
.tb-shapes .ls-zone-item:active {
  cursor: grabbing;
}
.tb-color-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 4px 6px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.tb-swatches {
  display: flex;
  gap: 4px;
}
.tb-swatches > * {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}
.tb-swatches > *:hover {
  transform: scale(1.15);
}
.tb-swatches > *.active {
  border-color: #fff;
  box-shadow: 0 0 0 2px var(--accent);
}
.tb-color-combo {
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
}
.tb-color-hex {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.tb-colorpicker-hidden {
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0;
  position: absolute;
  inset: 0;
}
.tb-color-combo::after {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--current-ink, #4f46e5);
  border: 2px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.tb-effects-group {
  display: flex;
  gap: 4px;
  padding: 3px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.tb-eff-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tb-eff-toggle input {
  display: none;
}
.tb-eff-toggle:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.tb-eff-toggle:has(input:checked) {
  color: #fff;
  background: var(--accent-bg);
  box-shadow: inset 0 0 0 1px var(--border-glow);
}

.tb-right {
  gap: 6px;
}

/* Dropdown menus */
.tb-presets {
  position: relative;
}
.tb-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 100;
  animation: menuIn 0.16s ease;
}
@keyframes menuIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.tb-preset-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.12s ease;
}
.tb-preset-item:hover {
  background: var(--bg-hover);
}
.tb-preset-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 2px;
}
.tb-preset-name {
  flex: 1;
}
.tb-preset-delete {
  opacity: 0;
  color: var(--danger);
  padding: 2px 6px;
  border: none;
  background: none;
  border-radius: 4px;
  transition: opacity 0.12s;
}
.tb-preset-item:hover .tb-preset-delete {
  opacity: 1;
}
.tb-preset-saved {
  color: var(--success);
  font-size: 10px;
  margin-left: auto;
}
.tb-preset-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.select-control {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 8px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
.select-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-bg);
}

/* ═══════════════════ WORK AREA ═══════════════════ */
.work-area {
  display: grid;
  grid-template-columns: var(--toolrail-w) 1fr;
  position: relative;
}
.work-area.sidebar-collapsed {
  grid-template-columns: 44px 1fr;
}

/* ─── LEFT TOOL RAIL PANEL ─── */
.tool-rail-panel {
  position: relative;
  background: var(--grad-panel);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  overflow: hidden;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.tool-rail-panel-inner {
  overflow-x: hidden;
}
.work-area.sidebar-collapsed .tool-rail-panel {
  width: 44px;
  min-width: 44px;
  overflow: hidden;
  border-right: 1px solid var(--border);
}
.work-area.sidebar-collapsed .tool-rail-panel-inner {
  display: none;
}

.tool-rail-panel-inner {
  height: 100%;
  overflow-y: auto;
  padding: 14px 12px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Sidebar collapse is now handled by topbar toggle */

/* Section (accordion) */
.ts-section {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.ts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}
.ts-head:hover {
  background: var(--bg-hover);
}
.ts-head-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}
.ts-head-label svg {
  color: var(--accent-2);
}
.ts-chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}
.ts-section.ts-collapsed .ts-chevron {
  transform: rotate(-90deg);
}
.ts-body {
  padding: 4px 10px 12px;
  animation: sectIn 0.2s ease;
}
@keyframes sectIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.ts-section.ts-collapsed .ts-body {
  display: none;
}

/* Tool menu list (Add Curved / Straight / Shape / Logo) */
.tool-menu-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tool-menu-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  transition: all 0.15s ease;
}
.tool-menu-btn svg {
  color: var(--text-dim);
  transition: color 0.15s;
}
.tool-menu-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}
.tool-menu-btn:hover svg {
  color: var(--accent-2);
}

/* Template chips */
.ls-tpl-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.tpl-chip {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-dim);
  transition: all 0.15s ease;
  padding: 8px;
}
.tpl-chip:hover {
  color: var(--accent-2);
  border-color: var(--border-glow);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -6px rgba(79, 70, 229, 0.5);
}
.tpl-chip.active {
  color: #fff;
  background: var(--accent-bg);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.tpl-thumb {
  width: 100%;
  height: 100%;
}

/* Layer list */
.layer-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 2px;
}
.layer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  background: var(--bg-elev);
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.12s ease;
  min-height: 32px;
}
.layer-item:hover {
  border-color: var(--border);
  background: var(--bg-hover);
}
.layer-item.selected {
  background: var(--accent-bg);
  border-color: var(--border-glow);
  box-shadow: inset 2px 0 0 var(--accent);
}
.layer-item--stamp {
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.06), transparent);
  border-bottom: 1px dashed var(--border-strong);
  margin-bottom: 4px;
}
.layer-item--ring {
  background: rgba(99, 102, 241, 0.04);
}
.layer-icon,
.layer-vis {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-dim);
  border-radius: 4px;
  transition: color 0.15s;
}
.layer-vis:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.layer-name {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.layer-tag {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(99, 102, 241, 0.14);
  color: var(--accent-2);
}
.layer-actions {
  display: flex;
  gap: 2px;
}
.layer-icon-btn {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: 4px;
  opacity: 0;
  transition:
    opacity 0.12s,
    color 0.12s,
    background 0.12s;
}
.layer-item:hover .layer-icon-btn {
  opacity: 1;
}
.layer-icon-btn:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.layer-icon-btn:hover[title*="Delete"],
.layer-icon-btn:hover[aria-label*="Delete"] {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Zone (shape picker inside sections) */
.ls-zone-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 6px 2px 6px;
}
.ls-zone-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  padding: 4px 0;
}
.ls-zone-item {
  aspect-ratio: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-dim);
  cursor: grab;
  font-size: 14px;
  transition: all 0.15s ease;
}
.ls-zone-item:hover {
  color: var(--accent-2);
  border-color: var(--border-glow);
  transform: scale(1.05);
}

/* ─── VIEWPORT ─── */
.viewport {
  position: relative;
  background:
    radial-gradient(
      circle at 50% 50%,
      rgba(79, 70, 229, 0.05),
      transparent 60%
    ),
    var(--bg-canvas);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.viewport::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.stage {
  position: relative;
  transform-origin: center;
}
#stampCanvas {
  display: block;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 40px 100px -20px rgba(0, 0, 0, 0.8),
    0 0 60px rgba(79, 70, 229, 0.2);
  border-radius: 2px;
  background: #fff;
}

/* Zoom HUD */
.zoombar {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  background: rgba(15, 15, 38, 0.85);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  z-index: 30;
}
.zoombar button,
.zoombar-toggle {
  height: 28px;
  min-width: 28px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  color: var(--text-dim);
  border: none;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.zoombar button:hover,
.zoombar-toggle:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.zoombar-sep {
  width: 1px;
  height: 16px;
  background: var(--border-strong);
  margin: 0 2px;
}
.zoom-label {
  min-width: 44px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
}
.zoombar-toggle {
  cursor: pointer;
}
.zoombar-toggle input {
  display: none;
}
.zoombar-toggle:has(input:checked) {
  color: var(--accent-2);
  background: var(--accent-bg);
}

/* ─── RIGHT EDITOR PANEL (floating) ─── */
.right-editor-panel {
  position: absolute;
  top: calc(var(--topbar-h) + 12px);
  right: 12px;
  width: 300px;
  max-height: calc(100vh - var(--topbar-h) - 24px);
  background: var(--grad-panel);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 40;
  overflow: hidden;
  transition:
    opacity 0.2s,
    transform 0.2s,
    right 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.work-area.sidebar-collapsed .right-editor-panel {
  right: 12px;
}
.right-editor-panel.rep-collapsed {
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
}
.right-editor-panel.rep-dragging {
  transition: none;
  user-select: none;
  cursor: grabbing;
}
.rep-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  cursor: grab;
  user-select: none;
  background: linear-gradient(180deg, rgba(30, 30, 90, 0.4), transparent);
}
.rep-header:active {
  cursor: grabbing;
}
.rep-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}
.rep-close {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  border-radius: 6px;
  font-size: 18px;
  line-height: 1;
  transition: all 0.15s ease;
}
.rep-close:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-hover);
}
.rep-nav-btns {
  display: flex;
  gap: 2px;
}
.rep-nav-btn {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  border-radius: 4px;
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.15s ease;
}
.rep-nav-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-hover);
}
.rep-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}
.rep-action-btn {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  border-radius: 4px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.15s ease;
}
.rep-action-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-hover);
}
.rep-body {
  padding: 14px;
  overflow-y: auto;
  flex: 1;
}

/* ─── EDITOR PROPS ─── */
.prop-label,
.prop-section,
.rp-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 14px 0 6px;
}
.prop-section:first-child,
.prop-label:first-child {
  margin-top: 0;
}
.prop-row,
.prop-row-2,
.slider-row,
.rp-ring-row,
.ls-row,
.ls-row-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.prop-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.row-label,
.col-label,
.ls-row-label,
.sub-label {
  font-size: 11px;
  color: var(--text-dim);
  min-width: 52px;
}

/* Text inputs */
.ls-textarea,
input[type="text"],
input[type="number"] {
  width: 100%;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 10px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.ls-textarea {
  resize: vertical;
  min-height: 60px;
}
.ls-textarea:focus,
input[type="text"]:focus,
input[type="number"]:focus,
.ls-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}
.ls-select {
  width: 100%;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px 26px 8px 10px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10' fill='none' stroke='%236a6a90' stroke-width='1.5'><path d='M2.5 4l2.5 2.5L7.5 4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

/* Sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-elev);
  border-radius: 2px;
  flex: 1;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
  transition: box-shadow 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(79, 70, 229, 0.3);
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* Num input */
.num-wrap {
  display: inline-flex;
  align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  min-width: 64px;
}
.num-input {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 6px 8px;
  font-size: 12px;
  font-family: var(--mono);
  width: 100%;
  outline: none;
  text-align: right;
}
.num-arrows {
  display: flex;
  flex-direction: column;
}
.num-arrow {
  width: 16px;
  height: 12px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    color 0.12s,
    background 0.12s;
}
.num-arrow:hover {
  color: var(--accent-2);
  background: var(--bg-hover);
}

/* Editor mini heads */
.ls-editor-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-elev);
  border-radius: var(--r-sm);
  margin-bottom: 10px;
}
.ls-editor-back {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  transition: all 0.15s;
}
.ls-editor-back:hover {
  color: var(--accent-2);
  border-color: var(--border-glow);
}
.ls-editor-name {
  flex: 1;
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}
.ls-editor-tag {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--accent-bg);
  color: var(--accent-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Segmented buttons */
.seg-btn,
.align-btn,
.ls-align-btn,
.ls-mini-btn,
.action-btn,
.layer-btn,
.flip-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 10px;
  background: var(--bg-elev);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
}
.seg-btn:hover,
.align-btn:hover,
.ls-align-btn:hover,
.ls-mini-btn:hover,
.action-btn:hover,
.layer-btn:hover,
.flip-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--bg-hover);
}
.seg-btn.active,
.align-btn.active,
.ls-align-btn.active,
.flip-toggle.active,
.seg-btn[aria-pressed="true"] {
  color: #fff;
  background: var(--accent-bg);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.ls-align-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

/* Color inputs */
.ls-color-row,
.rp-ring-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.ls-color-input {
  width: 26px;
  height: 26px;
  padding: 0;
  background: none;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
}
.ls-clear-color {
  padding: 4px 8px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 10px;
  transition: all 0.12s;
}
.ls-clear-color:hover {
  color: var(--accent-2);
  border-color: var(--border-glow);
}
.ls-ring-color {
  display: flex;
  align-items: center;
  gap: 4px;
}
.ring-dot,
.ring-dot-outer,
.ring-dot-inner,
.ring-dot-inner2 {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  cursor: pointer;
  transition: transform 0.15s;
}
.ring-dot:hover,
.ring-dot-outer:hover,
.ring-dot-inner:hover,
.ring-dot-inner2:hover {
  transform: scale(1.2);
}

/* Snap / channel row */
.ls-snap-row {
  display: flex;
  gap: 4px;
}
.ls-hint {
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}
.ls-sub-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 12px;
  margin-bottom: 6px;
}
.ls-offset-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.ls-context,
.ls-section,
.ls-pad {
  padding: 0;
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 10px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── SHORTCUTS OVERLAY ─── */
.shortcuts-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 26, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  animation: fadeIn 0.2s ease;
}
.shortcuts-overlay.visible {
  display: flex;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.shortcuts-modal {
  width: 420px;
  max-width: 90vw;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: menuIn 0.2s ease;
}
.shortcuts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.shortcuts-close {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  font-size: 16px;
  line-height: 1;
}
.shortcuts-close:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.shortcuts-body {
  padding: 14px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-dim);
}
.shortcut-row kbd {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 7px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text);
  min-width: 32px;
  text-align: center;
}
.shortcut-row span {
  flex: 1;
}

/* Utilities */
.mt4 {
  margin-top: 4px;
}
.w3 {
  width: 100%;
}
.ls-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  cursor: pointer;
}
.flash {
  animation: flash 0.5s ease;
}
@keyframes flash {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
  }
  50% {
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.4);
  }
}

/* Legacy compat (unused/hidden) */
.left-sidebar,
.right-panel,
.tool,
.toolrail,
.tool-spacer,
.sidebar-resize,
.space-pan,
.panning,
.rp-open {
  /* no-op */
}
.rp-header,
.rp-body,
.rp-title,
.rp-chevron,
.rp-section,
.rp-quick-actions,
.rp-ring-row-head,
.rp-ring-val {
  color: inherit;
}
.effect-toggle,
.effect-item,
.eff-amount-label,
.export-btn,
.export-btn--primary,
.export-btns,
.export-note,
.color-swatch,
.slider-group,
.layer-actions-group,
.layer-controls {
  color: inherit;
}

/* Responsive breakpoints */
@media (max-width: 1200px) {
  :root {
    --toolrail-w: 240px;
  }
  .tb-center-controls {
    gap: 12px;
  }
}

@media (max-width: 900px) {
  :root {
    --toolrail-w: 220px;
  }
  .tb-shapes {
    display: none;
  }
  .tb-center-controls {
    gap: 8px;
  }
  .tb-color-group {
    padding: 4px 6px;
  }
}

@media (max-width: 720px) {
  :root {
    --toolrail-w: 200px;
  }
  .tb-center-controls {
    display: none;
  }
  .right-editor-panel {
    width: calc(100vw - 24px);
    right: 12px;
    left: 12px;
    top: calc(var(--topbar-h) + 8px);
    max-height: calc(100vh - var(--topbar-h) - 16px);
  }
}

@media (max-width: 520px) {
  .topbar {
    grid-template-columns: auto 1fr;
    grid-template-areas: "left right" "center center";
    gap: 8px;
    padding: 6px 10px;
  }
  .tb-center-controls {
    display: flex;
    grid-area: center;
    justify-content: center;
    width: 100%;
    border-top: 1px solid var(--border);
    padding-top: 8px;
    margin-top: 4px;
  }
  .tb-right {
    gap: 4px;
  }
  .tb-icon {
    width: var(--icon-md);
    height: var(--icon-md);
  }
  .tb-menubtn span {
    display: none;
  }
  .tb-menubtn {
    padding: 0 10px;
  }
}