/* ═══════════════════════════════════════════════════════════════════════════
   Prep My Image v1.0.0 — Shared styles — Option A Steel Blue
   ═══════════════════════════════════════════════════════════════════════════ */

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

:root {
  /* Sidebar */
  --sb-bg:      #1e2d3d;
  --sb-bg2:     #2a3f54;
  --sb-bg3:     #162230;
  --sb-accent:  #38bdf8;
  --sb-text:    #e2eaf4;
  --sb-muted:   #7a9ab8;
  --sb-border:  #2a3f54;
  --sb-label:   #4a6a88;

  /* Canvas */
  --cv-bg:      #f0f2f5;
  --cv-card:    #ffffff;
  --cv-border:  #d4d8dc;
  --cv-muted:   #6b7a86;
  --cv-text:    #17231f;

  /* Accent */
  --accent:     #38bdf8;
  --accent-dim: #0ea5e9;
  --accent-bg:  #e0f5fe;
  --accent-text:#0c4a6e;

  /* Success / warning / error */
  --ok-bg:   #f0fdf4;
  --ok-text: #166534;
  --ok-bdr:  #86efac;
  --err-bg:  #fef2f2;
  --err-text:#b91c1c;
  --warn-bg: #fffbeb;
  --warn-text:#854d0e;

  --radius: 10px;
  --sidebar-w: 220px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SF Mono", "Fira Code", Consolas, monospace;
}

body {
  font-family: var(--font);
  font-size: 13px;
  background: var(--cv-bg);
  color: var(--cv-text);
  min-height: 100vh;
}

/* ── Workspace layout ────────────────────────────────────────────────────── */

.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
  background: var(--sb-bg);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 0 4px;
}

.brand-mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--accent);
  color: #0c1a2b;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 11px;
  flex-shrink: 0;
}

.brand-name    { font-size: 13px; font-weight: 700; color: var(--sb-text); letter-spacing: -.2px; }
.brand-tagline { font-size: 9px; color: var(--sb-muted); margin-top: 1px; }

/* Nav */
.nav-section {
  font-size: 9px;
  font-weight: 700;
  color: var(--sb-label);
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 10px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--sb-muted);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background .12s, color .12s;
  margin-bottom: 1px;
}

.nav-item:hover { background: var(--sb-bg2); color: var(--sb-text); }

.nav-item.active {
  background: var(--sb-bg2);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-item i { font-size: 15px; flex-shrink: 0; }

.nav-sep { height: 1px; background: var(--sb-border); margin: 8px 4px; }

.sidebar-bottom {
  margin-top: auto;
  background: var(--sb-bg3);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  padding: 11px 12px;
}
.sidebar-bottom small { font-size: 9px; color: var(--sb-label); display: block; }
.sidebar-bottom b     { font-size: 12px; color: #c8dae8; display: block; margin: 3px 0 1px; }

/* Sidebar resizer */
.sidebar-resizer {
  position: absolute;
  top: 0; right: -4px;
  width: 8px; height: 100%;
  cursor: col-resize;
  z-index: 20;
}
.sidebar-resizer::after {
  content: '';
  display: block;
  width: 3px; height: 40px;
  border-radius: 3px;
  background: var(--sb-border);
  margin: calc(50vh - 20px) auto 0;
  transition: background .15s;
}
.sidebar-resizer:hover::after { background: var(--accent); }

/* ── Canvas area ─────────────────────────────────────────────────────────── */

.canvas-area {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

.canvas-toolbar {
  background: var(--cv-card);
  border-bottom: 1px solid var(--cv-border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.toolbar-title { font-size: 14px; font-weight: 700; color: var(--cv-text); }
.toolbar-sub   { font-size: 11px; color: var(--cv-muted); margin-top: 1px; }

.view-toggles { display: flex; gap: 4px; }

.toggle-btn {
  background: #f0f2f5;
  border: 1px solid var(--cv-border);
  border-radius: 7px;
  padding: 5px 11px;
  font-size: 11px;
  font-weight: 600;
  color: var(--cv-muted);
  cursor: pointer;
  transition: all .12s;
}
.toggle-btn:hover  { border-color: var(--accent); color: var(--accent-dim); }
.toggle-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.canvas-actions { display: flex; gap: 7px; }

/* Status bar */
.status-bar {
  padding: 7px 20px;
  font-size: 11px;
  color: var(--cv-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--cv-border);
  min-height: 30px;
  flex-shrink: 0;
}
.status-bar.error       { background: var(--err-bg); color: var(--err-text); }
.status-bar.success     { background: var(--ok-bg);  color: var(--ok-text); }
.status-bar.processing  { background: var(--accent-bg); color: var(--accent-text); }

/* Progress */
.progress-wrap { height: 3px; background: var(--cv-border); flex-shrink: 0; display: none; }
.progress-wrap.active { display: block; }
.progress-bar  { height: 100%; background: var(--accent); animation: pgAnim 1.6s ease-in-out infinite; }
@keyframes pgAnim { 0%,100%{opacity:1}50%{opacity:.5} }

/* Output bar */
.output-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 20px;
  background: var(--ok-bg);
  border-top: 1px solid var(--ok-bdr);
  font-size: 11px; flex-shrink: 0; flex-wrap: wrap;
}
.out-pill {
  background: #fff;
  border: 1px solid var(--ok-bdr);
  color: var(--ok-text);
  padding: 2px 9px;
  border-radius: 5px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}
.out-note { color: var(--ok-text); font-size: 11px; opacity: .7; }
.live-indicator { margin-left: auto; color: var(--cv-muted); font-size: 11px; font-style: italic; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn-primary {
  background: var(--accent);
  color: #0c1a2b;
  border: none;
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background .12s;
  white-space: nowrap;
}
.btn-primary:hover    { background: var(--accent-dim); color: #fff; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }

.btn-dark {
  background: var(--sb-bg);
  color: var(--sb-text);
  border: none;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background .12s;
  white-space: nowrap;
}
.btn-dark:hover    { background: var(--sb-bg2); }
.btn-dark:disabled { opacity: .35; cursor: not-allowed; }

.btn-ghost {
  background: none;
  border: 1px solid var(--cv-border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--cv-muted);
  cursor: pointer;
  transition: all .12s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dim); }

.btn-secondary {
  background: var(--cv-card);
  border: 1px solid var(--cv-border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--cv-text);
  cursor: pointer;
  transition: border-color .12s;
}
.btn-secondary:hover { border-color: var(--accent); }

.full-w { width: 100%; }

/* ── Sidebar controls ────────────────────────────────────────────────────── */

.panel-section { padding: 12px 14px; border-bottom: 1px solid var(--sb-border); }

.section-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--sb-label);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
}

.full-select, .mini-select {
  width: 100%;
  background: var(--sb-bg2);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  color: var(--sb-text);
  padding: 7px 9px;
  font-size: 11px;
  cursor: pointer;
}
.full-select:focus, .mini-select:focus { outline: 1px solid var(--accent); }
.mini-select { width: auto; }

.mini-input {
  background: var(--sb-bg2);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  color: var(--sb-text);
  padding: 6px 8px;
  font-size: 11px;
  width: 80px;
  text-align: right;
  font-family: var(--mono);
}
.mini-input:focus { outline: 1px solid var(--accent); }

.hint-text { font-size: 9px; color: var(--sb-muted); line-height: 1.45; margin-top: 5px; }

/* Toggle switch */
.ctrl-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #c8dae8;
  margin-bottom: 10px;
}

.toggle-input { position: absolute; opacity: 0; width: 0; height: 0; }

.toggle-track {
  display: block;
  width: 36px; height: 19px;
  background: var(--sb-border);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  transition: background .18s;
}
.toggle-input:checked + .toggle-track { background: var(--accent); }

.toggle-thumb {
  display: block;
  width: 13px; height: 13px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 3px; left: 3px;
  transition: transform .18s;
}
.toggle-input:checked + .toggle-track .toggle-thumb { transform: translateX(17px); }

/* Sliders */
.slider-row { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }

.slider-row label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #c8dae8;
}

.val-badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(56,189,248,.12);
  padding: 1px 6px;
  border-radius: 4px;
  min-width: 34px;
  text-align: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Accordion */
.accordion { padding: 0; }

.accordion-head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: none;
  border: none;
  border-bottom: 1px solid var(--sb-border);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: #c8dae8;
  transition: background .12s;
}
.accordion-head:hover { background: var(--sb-bg2); }

.acc-arrow { font-size: 10px; color: var(--sb-muted); transition: transform .18s; }
.accordion-head:not(.open) .acc-arrow { transform: rotate(-90deg); }

.accordion-body {
  padding: 12px 14px;
  border-bottom: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
}
.accordion-body.collapsed { display: none; }

/* Mode cards */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 7px 4px;
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  background: var(--sb-bg2);
  cursor: pointer;
  transition: all .12s;
  font-size: 9px;
  font-weight: 700;
  color: var(--sb-muted);
  text-align: center;
}
.mode-card:hover  { border-color: var(--accent); color: var(--sb-text); }
.mode-card.active { border-color: var(--accent); background: rgba(56,189,248,.12); color: var(--accent); }

/* Dithering cards */
.dither-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }

.dither-card {
  padding: 7px 9px;
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  background: var(--sb-bg2);
  cursor: pointer;
  transition: all .12s;
  text-align: left;
}
.dither-card:hover  { border-color: var(--accent); }
.dither-card.active { border-color: var(--accent); background: rgba(56,189,248,.12); }

.dither-name { font-size: 10px; font-weight: 700; color: #c8dae8; display: block; }
.dither-sub  { font-size: 9px; color: var(--sb-muted); display: block; }
.dither-card.active .dither-name { color: var(--accent); }

/* Rotate */
.rotate-btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }

.rotate-btn {
  padding: 6px 4px;
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  background: var(--sb-bg2);
  color: var(--sb-text);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all .12s;
  text-align: center;
}
.rotate-btn:hover  { border-color: var(--accent); color: var(--accent); }
.rotate-btn.active { border-color: var(--accent); background: rgba(56,189,248,.12); color: var(--accent); }

/* Crop */
.crop-fields { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 5px; margin-bottom: 8px; }

.crop-field label {
  display: block;
  font-size: 8px;
  color: var(--sb-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 2px;
  font-weight: 700;
}

.crop-field input {
  width: 100%;
  background: var(--sb-bg2);
  border: 1px solid var(--sb-border);
  border-radius: 6px;
  color: var(--sb-text);
  padding: 5px 5px;
  font-size: 10px;
  font-family: var(--mono);
  text-align: center;
}
.crop-field input:focus { outline: 1px solid var(--accent); }

.crop-btns { display: flex; gap: 5px; }

/* Export tiers */
.export-tiers { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }

.tier-pill {
  font-size: 10px;
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid var(--sb-border);
  color: var(--sb-muted);
  background: var(--sb-bg2);
}
.tier-pill.active { border-color: rgba(56,189,248,.4); color: var(--accent); background: rgba(56,189,248,.08); }

/* Quick action buttons */
.quick-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-top: 4px; }

.quick-btn {
  background: var(--sb-bg2);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  color: var(--sb-muted);
  font-size: 10px;
  font-weight: 700;
  padding: 7px 6px;
  cursor: pointer;
  transition: all .12s;
  text-align: center;
  line-height: 1.3;
}
.quick-btn:hover { border-color: var(--accent); color: var(--accent); }

/* LightBurn / SVG notes */
.format-note {
  background: rgba(56,189,248,.08);
  border-left: 2px solid var(--accent);
  padding: 6px 8px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 10px;
  color: #93c5fd;
  margin-top: 6px;
}

/* ── Split / preview area ────────────────────────────────────────────────── */

.split-container { flex: 1; padding: 10px 12px 4px; overflow: hidden; min-height: 0; display: flex; flex-direction: column; }

.split-stage {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 200px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--cv-border);
  background:
    repeating-conic-gradient(#e2e5ea 0% 25%, #edf0f4 0% 50%) 0 0 / 20px 20px;
  cursor: col-resize;
  user-select: none;
}

.split-bg-hint {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #9aa5b8; font-size: 13px; pointer-events: none;
}

.split-layer {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain; display: none;
}
.split-layer.visible { display: block; }

.split-overlay {
  position: absolute; top: 0; left: 50%;
  width: 50%; height: 100%;
  overflow: hidden; pointer-events: none;
}

.split-after {
  position: absolute; top: 0; left: 0;
  object-fit: contain;
}

.split-handle {
  position: absolute; top: 0; left: 50%;
  width: 4px; height: 100%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: none; z-index: 10;
}
.split-handle-line { position: absolute; top: 0; bottom: 0; width: 2px; background: white; }
.split-handle-knob {
  position: relative;
  background: white; border-radius: 999px;
  padding: 4px 9px; font-size: 10px; color: #333;
  z-index: 11; white-space: nowrap; letter-spacing: 1px;
}

.split-label {
  position: absolute; top: 10px;
  background: rgba(0,0,0,.45); color: white;
  font-size: 10px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px;
  pointer-events: none; z-index: 5;
}
.split-label-left  { left: 10px; }
.split-label-right { right: 10px; }

.crop-canvas {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  cursor: crosshair; z-index: 20;
}

/* Single view */
.single-view { flex: 1; padding: 10px 12px 4px; overflow: hidden; min-height: 0; display: flex; flex-direction: column; }

.single-stage {
  width: 100%; flex: 1; min-height: 200px;
  border-radius: 12px;
  border: 1px solid var(--cv-border);
  background: repeating-conic-gradient(#e2e5ea 0% 25%, #edf0f4 0% 50%) 0 0 / 20px 20px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}

#singleImg { max-width: 100%; max-height: 100%; display: none; object-fit: contain; }
#singleImg.active { display: block; }

/* Drop zone */
.drop-zone {
  border: 1px dashed var(--sb-border);
  border-radius: var(--radius);
  background: var(--sb-bg2);
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
}
.drop-zone:hover, .drop-zone.dragover { border-color: var(--accent); background: rgba(56,189,248,.06); }
.drop-zone.has-file { border-color: var(--accent); border-style: solid; }

.drop-icon  { font-size: 20px; margin-bottom: 6px; opacity: .7; }
.drop-label { font-size: 11px; font-weight: 600; color: var(--sb-text); margin-bottom: 7px; }

.drop-btn {
  display: inline-block;
  background: var(--accent);
  color: #0c1a2b;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: background .12s;
}
.drop-btn:hover { background: var(--accent-dim); color: #fff; }

#imageInput { display: none; }
.drop-hint  { font-size: 9px; color: var(--sb-muted); margin-top: 7px; }

/* Image metadata */
.image-meta {
  display: flex; gap: 5px; flex-wrap: wrap;
  margin-top: 8px;
}
.image-meta span {
  background: var(--sb-bg2);
  border: 1px solid var(--sb-border);
  color: var(--sb-text);
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 10px;
  font-family: var(--mono);
  font-weight: 600;
}

/* Help button in topbar */
.help-btn {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(56,189,248,.1);
  border: 1px solid rgba(56,189,248,.3);
  color: var(--accent);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 10px; font-weight: 700;
  text-decoration: none;
  transition: all .12s;
}
.help-btn:hover { background: rgba(56,189,248,.2); }

/* Sidebar resize */
.sidebar { position: relative; }

/* ── Homepage styles ─────────────────────────────────────────────────────── */

.home-content { padding: 22px 26px; overflow-y: auto; flex: 1; }

.home-hero {
  background: var(--sb-bg);
  border-radius: 12px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.home-hero h1 { font-size: 19px; font-weight: 700; color: #f0f6ff; letter-spacing: -.3px; margin-bottom: 5px; }
.home-hero p  { font-size: 11px; color: var(--sb-muted); line-height: 1.5; }

.hero-pills { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 10px; }
.hero-pill  {
  background: rgba(56,189,248,.1);
  border: 1px solid rgba(56,189,248,.2);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 9px;
  color: #93d8f5;
  font-weight: 600;
}

.hero-badge {
  text-align: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 10px 16px;
}
.hero-badge b     { display: block; font-size: 20px; color: var(--accent); line-height: 1; }
.hero-badge small { font-size: 9px; color: var(--sb-muted); }

.home-lbl {
  font-size: 9px; font-weight: 700; color: var(--cv-muted);
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 8px;
}

.studio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }

.studio-card {
  background: var(--cv-card);
  border: 0.5px solid var(--cv-border);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  transition: border-color .12s;
  text-decoration: none;
}
.studio-card:hover { border-color: var(--accent); }
.studio-card.primary { border-color: var(--accent); background: #f0f8fe; }

.sc-icon  { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.sc-title { font-size: 12px; font-weight: 700; color: var(--cv-text); margin-bottom: 2px; }
.sc-sub   { font-size: 10px; color: var(--cv-muted); line-height: 1.4; }
.sc-tag   {
  display: inline-block;
  font-size: 8px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px; margin-top: 5px;
  background: var(--accent-bg); color: var(--accent-text);
}
.sc-tag.soon { background: var(--warn-bg); color: var(--warn-text); }

/* Workflow row */
.workflow-row {
  background: var(--cv-card);
  border: 0.5px solid var(--cv-border);
  border-radius: 10px;
  padding: 13px 18px;
  margin-bottom: 16px;
}
.workflow-row p { font-size: 10px; color: var(--cv-muted); margin-top: 4px; }

.wf-steps { display: flex; align-items: center; margin-top: 12px; }
.wf-step  { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px; }
.wf-line  { flex: 1; height: 1.5px; background: var(--cv-border); margin-top: -12px; }

.wf-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px;
  border: 1.5px solid var(--cv-border);
  background: var(--cv-card);
}
.wf-dot.done   { border-color: var(--accent); background: var(--accent-bg); }
.wf-dot.active { border-color: var(--accent); background: var(--accent); color: #fff; }

.wf-lbl { font-size: 9px; color: var(--cv-muted); text-align: center; line-height: 1.3; }
.wf-lbl.active { color: var(--accent-dim); font-weight: 700; }

/* Info row */
.info-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }

.info-card {
  background: var(--cv-card);
  border: 0.5px solid var(--cv-border);
  border-radius: 10px;
  padding: 12px;
}
.info-icon  { font-size: 14px; margin-bottom: 5px; }
.info-title { font-size: 11px; font-weight: 700; color: var(--cv-text); margin-bottom: 3px; }
.info-desc  { font-size: 9px; color: var(--cv-muted); line-height: 1.5; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.faq-item {
  background: var(--cv-card);
  border: 0.5px solid var(--cv-border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
}
.faq-q {
  font-size: 11px; font-weight: 500; color: var(--cv-text);
  display: flex; justify-content: space-between; align-items: center;
}
.faq-q span { color: var(--accent); font-size: 14px; flex-shrink: 0; margin-left: 6px; }
.faq-a { font-size: 10px; color: var(--cv-muted); margin-top: 6px; line-height: 1.55; display: none; }
.faq-item.open .faq-a  { display: block; }

/* ── Footer ──────────────────────────────────────────────────────────────── */

.site-footer {
  background: var(--sb-bg);
  border-top: 1px solid var(--sb-border);
  padding: 22px 26px 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 16px;
}
.footer-head { font-size: 11px; font-weight: 700; color: #e2eaf4; margin-bottom: 5px; }
.footer-grid p { font-size: 10px; color: var(--sb-muted); line-height: 1.55; }
.footer-base   { font-size: 10px; color: var(--sb-label); }
.footer-base a { color: var(--accent); text-decoration: none; }

/* ── Utility ─────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .studio-grid { grid-template-columns: 1fr 1fr; }
  .info-row    { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 660px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar   { height: auto; position: static; }
  .studio-grid, .info-row, .faq-grid { grid-template-columns: 1fr; }
  .home-hero { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .mode-grid   { grid-template-columns: repeat(3, 1fr); }
}

/* ── Inner controls-panel resizer (laser studio) ─────────────────────────── */

.inner-resizer {
  position: absolute;
  top: 0; right: -4px;
  width: 8px; height: 100%;
  cursor: col-resize;
  z-index: 20;
}
.inner-resizer::after {
  content: '';
  display: block;
  width: 3px; height: 36px;
  border-radius: 3px;
  background: var(--sb-border);
  margin: calc(40vh - 18px) auto 0;
  transition: background .15s;
}
.inner-resizer:hover::after { background: var(--accent); }

/* ── Studio navigation strip ─────────────────────────────────────────────── */

.studio-nav-strip {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  background: var(--cv-card);
  border-top: 1px solid var(--cv-border);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.sn-label {
  font-size: 10px;
  color: var(--cv-muted);
  font-weight: 600;
  margin-right: 3px;
  flex-shrink: 0;
}

.sn-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--cv-border);
  color: var(--cv-muted);
  background: var(--cv-bg);
  transition: all .12s;
  white-space: nowrap;
}
.sn-btn:hover { border-color: var(--accent); color: var(--accent-dim); background: var(--accent-bg); }
.sn-btn.sn-active { border-color: var(--accent); color: var(--accent-dim); background: var(--accent-bg); font-weight: 700; }
.sn-btn.sn-soon { opacity: .55; cursor: default; pointer-events: none; }
.sn-btn.sn-soon:hover { border-color: var(--cv-border); color: var(--cv-muted); background: var(--cv-bg); }

/* ══ v1.0.2 Studio shared styles ════════════════════════════════════════════ */

/* Studio page layout */
.studio-wrap { display:flex; flex-direction:column; flex:1; min-height:0; overflow:hidden; }
.studio-body { display:flex; flex:1; min-height:0; overflow:hidden; }
.studio-panel { background:var(--sb-bg); border-right:1px solid var(--sb-border); overflow-y:auto; scrollbar-width:thin; width:240px; min-width:180px; max-width:400px; flex-shrink:0; }
.studio-main  { flex:1; min-width:0; display:flex; flex-direction:column; background:var(--cv-bg); overflow:hidden; }
.studio-header { background:var(--cv-card); border-bottom:1px solid var(--cv-border); padding:11px 18px; display:flex; align-items:center; justify-content:space-between; gap:12px; flex-shrink:0; flex-wrap:wrap; }
.studio-title { font-size:14px; font-weight:700; color:var(--cv-text); }
.studio-sub   { font-size:10px; color:var(--cv-muted); margin-top:2px; }
.studio-canvas { flex:1; padding:10px 12px 4px; overflow:hidden; display:flex; flex-direction:column; min-height:0; }
.studio-stage { flex:1; min-height:200px; border-radius:12px; border:1px solid var(--cv-border); background:repeating-conic-gradient(#e2e5ea 0% 25%,#edf0f4 0% 50%) 0 0/20px 20px; display:flex; align-items:center; justify-content:center; overflow:hidden; position:relative; }

/* Upload area for studios */
.studio-drop { border:1.5px dashed var(--sb-border); border-radius:10px; padding:20px; text-align:center; cursor:pointer; margin:12px 14px; transition:all .15s; }
.studio-drop:hover { border-color:var(--accent); background:rgba(56,189,248,.04); }
.studio-drop-icon { font-size:22px; margin-bottom:6px; }
.studio-drop-label { font-size:11px; font-weight:600; color:var(--sb-text); margin-bottom:6px; }
.studio-drop-hint { font-size:9px; color:var(--sb-muted); }

/* Layer swatches (relief studio) */
.layer-grid { display:flex; flex-direction:column; gap:5px; padding:0 14px 12px; }
.layer-item { display:flex; align-items:center; gap:8px; padding:8px 10px; border-radius:8px; border:1px solid var(--sb-border); background:var(--sb-bg2); cursor:pointer; transition:all .12s; }
.layer-item.active { border-color:var(--accent); background:rgba(56,189,248,.1); }
.layer-swatch { width:20px; height:20px; border-radius:5px; flex-shrink:0; border:1px solid rgba(255,255,255,.15); }
.layer-name { font-size:11px; font-weight:700; color:var(--sb-text); }
.layer-sub  { font-size:9px; color:var(--sb-muted); }
.layer-count { margin-left:auto; font-size:9px; color:var(--sb-muted); font-family:var(--mono); }

/* File checker rows */
.file-row { display:flex; align-items:flex-start; gap:10px; padding:10px 14px; border-bottom:1px solid var(--cv-border); }
.file-icon { font-size:20px; flex-shrink:0; margin-top:1px; }
.file-name { font-size:12px; font-weight:600; color:var(--cv-text); margin-bottom:2px; }
.file-meta { font-size:10px; color:var(--cv-muted); margin-bottom:4px; }
.file-issues { display:flex; flex-wrap:wrap; gap:4px; }
.file-tag { font-size:9px; font-weight:700; padding:2px 7px; border-radius:4px; }
.file-tag.ok   { background:var(--ok-bg); color:var(--ok-text); }
.file-tag.warn { background:var(--warn-bg); color:var(--warn-text); }
.file-tag.err  { background:var(--err-bg); color:var(--err-text); }

/* Results log table */
.results-table { width:100%; border-collapse:collapse; font-size:11px; }
.results-table th { text-align:left; padding:8px 12px; font-size:9px; font-weight:700; color:var(--cv-muted); text-transform:uppercase; letter-spacing:.05em; border-bottom:1px solid var(--cv-border); background:var(--cv-bg); position:sticky; top:0; }
.results-table td { padding:9px 12px; border-bottom:1px solid var(--cv-border); color:var(--cv-text); vertical-align:top; }
.results-table tr:hover td { background:#f8fafc; }
.result-badge { display:inline-block; padding:2px 7px; border-radius:4px; font-size:9px; font-weight:700; }
.rb-excellent { background:var(--ok-bg); color:var(--ok-text); }
.rb-good      { background:var(--accent-bg); color:var(--accent-text); }
.rb-ok        { background:var(--warn-bg); color:var(--warn-text); }
.rb-failed    { background:var(--err-bg); color:var(--err-text); }

/* Material test grid cells */
.grid-preview { display:grid; gap:2px; padding:14px; }
.grid-cell { border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:9px; font-weight:700; color:#fff; text-shadow:0 1px 2px rgba(0,0,0,.5); }

/* Empty states */
.empty-state { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; padding:48px; text-align:center; color:var(--cv-muted); flex:1; }
.empty-icon  { font-size:36px; opacity:.5; }
.empty-title { font-size:14px; font-weight:700; color:var(--cv-text); }
.empty-sub   { font-size:11px; line-height:1.6; max-width:320px; }