:root {
  --bg0: #020611;
  --bg1: #07101f;
  --bg2: #0d1a30;
  --panel: rgba(8, 16, 31, .78);
  --panel-solid: #0b1527;
  --panel-2: rgba(255,255,255,.045);
  --border: rgba(122, 181, 255, .16);
  --border-strong: rgba(122, 181, 255, .3);
  --text: #f4f8ff;
  --muted: #8fa4c6;
  --accent: #2ea7ff;
  --accent-soft: #89d3ff;
  --danger: #ff5e6c;
  --shadow: 0 28px 80px rgba(0, 0, 0, .38);
}

body.theme-light {
  --bg0: #eef4ff;
  --bg1: #e5eefb;
  --bg2: #d7e5fb;
  --panel: rgba(255,255,255,.83);
  --panel-solid: #ffffff;
  --panel-2: rgba(40, 83, 140, .055);
  --border: rgba(39, 96, 175, .14);
  --border-strong: rgba(39, 96, 175, .27);
  --text: #12203c;
  --muted: #63769a;
  --accent: #167dff;
  --accent-soft: #3d95ff;
  --shadow: 0 24px 70px rgba(31, 62, 111, .13);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body.theme-light { color-scheme: light; }
html, body { margin: 0; min-height: 100%; }
body {
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at 8% 5%, rgba(31, 133, 255, .22), transparent 24%),
    radial-gradient(circle at 95% 20%, rgba(78, 193, 255, .12), transparent 22%),
    linear-gradient(135deg, var(--bg0), var(--bg1) 50%, var(--bg2));
  background-attachment: fixed;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}
button, input, select { font: inherit; }

.app-shell {
  display: grid;
  grid-template-columns: minmax(360px, 410px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  min-height: 100vh;
}
.glass-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-radius: 26px;
}
.sidebar {
  padding: 22px;
  height: calc(100vh - 36px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.workspace {
  min-height: calc(100vh - 36px);
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-row, .workspace-topbar, .topbar-actions, .carousel-footer, .action-row, .control-grid {
  display: flex;
}
.brand-row, .workspace-topbar, .carousel-footer { align-items: center; justify-content: space-between; }
.brand-row { gap: 14px; }
.brand-copy { min-width: 0; }
.kicker {
  display: inline-block;
  color: var(--accent-soft);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .2em;
  margin-bottom: 5px;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 25px; line-height: 1.05; letter-spacing: -.035em; }
h1 em { font-style: normal; color: var(--accent-soft); }
h2 { margin-bottom: 5px; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.04em; }
.intro, .workspace-topbar p {
  color: var(--muted);
  line-height: 1.55;
  font-size: 13px;
}
.intro { margin: 18px 0 6px; }
.workspace-topbar p { margin: 0; max-width: 640px; }

.theme-toggle {
  position: relative;
  width: 74px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  cursor: pointer;
  color: var(--muted);
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  flex: 0 0 auto;
}
.theme-icon { position: relative; z-index: 2; font-size: 12px; }
.theme-toggle__knob {
  position: absolute;
  z-index: 1;
  width: 28px;
  height: 28px;
  left: 4px;
  top: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent));
  box-shadow: 0 4px 14px rgba(33, 142, 255, .34);
  transition: left .25s ease;
}
body.theme-light .theme-toggle__knob { left: 40px; }

.section-title {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 22px 0 2px;
  color: var(--text);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: .08em;
}
.section-title span {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--accent-soft);
  border: 1px solid var(--border-strong);
  background: rgba(46,167,255,.08);
  font-size: 10px;
}
.control-grid { gap: 10px; }
.control-grid.two > * { flex: 1 1 0; min-width: 0; }
.control-block { margin-top: 11px; }
.control-block label:not(.upload-box):not(.mini-upload) {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
}
input[type="text"], select {
  width: 100%;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  outline: none;
  padding: 0 12px;
  transition: border-color .18s, background .18s;
  font-size: 12px;
}
input[type="text"]:focus, select:focus { border-color: var(--accent); background: rgba(46,167,255,.065); }
select option { background: var(--panel-solid); color: var(--text); }
input[type="color"] {
  width: 100%;
  height: 42px;
  padding: 3px 5px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
  cursor: pointer;
}
input[type="range"] { width: 100%; accent-color: var(--accent); }

.upload-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  min-height: 112px;
  border-radius: 15px;
  border: 1px dashed var(--border-strong);
  background: linear-gradient(135deg, rgba(46,167,255,.07), rgba(255,255,255,.018));
  cursor: pointer;
  transition: .2s ease;
  overflow: hidden;
}
.upload-box:hover { border-color: var(--accent); transform: translateY(-1px); }
.upload-box input, .mini-upload input { position: absolute; opacity: 0; pointer-events: none; }
.upload-icon {
  width: 33px; height: 33px; border-radius: 10px; display: grid; place-items: center;
  color: #fff; font-size: 21px; margin-bottom: 6px;
  background: linear-gradient(135deg, var(--accent), #0d6aff);
  box-shadow: 0 8px 24px rgba(25,116,255,.28);
}
.upload-box strong { font-size: 12px; }
.upload-box span { color: var(--muted); font-size: 10px; margin-top: 3px; }
.mini-upload {
  height: 42px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-soft);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
  position: relative;
  padding: 0 10px;
}
.thumb-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 7px;
  margin-top: 8px;
}
.thumb-item {
  aspect-ratio: 1;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: transform .15s, border-color .15s;
}
.thumb-item:hover { transform: translateY(-2px); }
.thumb-item.selected { border: 2px solid var(--accent); box-shadow: 0 0 0 2px rgba(46,167,255,.14); }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-index {
  position: absolute; right: 3px; bottom: 3px; min-width: 18px; height: 18px; border-radius: 6px; display:grid; place-items:center;
  background: rgba(0,0,0,.72); color: #fff; font: 800 9px Inter;
}
.edit-hint {
  margin-top: 10px;
  padding: 10px 11px;
  border-radius: 11px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.4;
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.text-button {
  background: transparent; border: 0; color: var(--accent-soft); padding: 8px 0 0; cursor: pointer; font-size: 10px; font-weight: 800;
}

.action-row { gap: 8px; flex-wrap: wrap; }
.sticky-actions {
  position: sticky;
  bottom: -22px;
  margin: 20px -22px -22px;
  padding: 14px 22px 20px;
  background: linear-gradient(to top, var(--panel-solid) 70%, transparent);
  z-index: 5;
}
.btn {
  min-height: 43px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 900;
  cursor: pointer;
  transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { flex: 1 1 100%; color: #fff; background: linear-gradient(135deg, var(--accent), #0d63ff); box-shadow: 0 10px 24px rgba(36,122,255,.24); }
.btn-secondary { flex: 1; background: rgba(255,255,255,.075); border-color: var(--border); color: var(--text); }
.btn-ghost { flex: 1; background: transparent; border-color: var(--border); color: var(--accent-soft); }

.workspace-topbar { gap: 20px; }
.topbar-actions { align-items: center; gap: 12px; }
.format-badge {
  white-space: nowrap;
  padding: 9px 11px;
  border-radius: 11px;
  background: rgba(46,167,255,.08);
  border: 1px solid var(--border-strong);
  color: var(--accent-soft);
  font-size: 11px;
  font-weight: 900;
}
.carousel-actions { display: flex; gap: 7px; }
.circle-btn {
  width: 39px; height: 39px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); cursor: pointer; font-size: 22px; display:grid; place-items:center;
}
.circle-btn:hover { border-color: var(--accent); color: var(--accent-soft); }
.carousel-stage {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  flex: 1 1 auto;
  min-height: 560px;
  margin-top: 18px;
  background:
    radial-gradient(circle at 50% 20%, rgba(46,167,255,.07), transparent 26%),
    linear-gradient(135deg, rgba(255,255,255,.027), rgba(255,255,255,.01));
  border: 1px solid var(--border);
}
.carousel-stage::before {
  content: ""; position:absolute; inset:0; pointer-events:none; opacity:.18;
  background-image: radial-gradient(circle, rgba(255,255,255,.28) .7px, transparent .7px);
  background-size: 16px 16px;
}
.carousel-track { display: flex; height: 100%; transition: transform .38s cubic-bezier(.2,.8,.2,1); position: relative; z-index: 1; }
.slide { min-width: 100%; display: grid; place-items: center; padding: 22px; }
.canvas-card {
  width: min(100%, 570px);
  max-height: calc(100vh - 220px);
  display: grid;
  place-items: center;
  padding: 11px;
  border-radius: 20px;
  background: rgba(0,0,0,.24);
  border: 1px solid var(--border);
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}
.canvas-card canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 250px);
  width: auto;
  height: auto;
  border-radius: 13px;
  background: #000;
  cursor: grab;
  touch-action: none;
}
.canvas-card canvas.dragging { cursor: grabbing; }
.carousel-footer { margin-top: 12px; min-height: 30px; gap: 16px; }
.carousel-dots { display: flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border: 0; padding: 0; border-radius: 999px; background: rgba(142,167,203,.25); cursor:pointer; transition:.2s; }
.dot.active { width: 28px; background: var(--accent); }
.model-label { color: var(--muted); font-size: 11px; font-weight: 800; }
.quick-style-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.style-chip {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--muted); border-radius: 999px; padding: 7px 10px; cursor:pointer; font-size:10px; font-weight:800;
  display:flex; align-items:center; gap:6px;
}
.style-chip i { width: 8px; height: 8px; background: var(--c); border-radius:50%; box-shadow:0 0 10px var(--c); }
.style-chip.active { color: var(--text); border-color: var(--accent); background: rgba(46,167,255,.08); }
.model-info-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.model-info-grid article { padding: 11px; border:1px solid var(--border); border-radius:12px; background:var(--panel-2); min-width:0; }
.model-info-grid strong { color: var(--accent-soft); font-size: 9px; display:block; }
.model-info-grid span { display:block; margin-top:3px; font-size:10px; font-weight:900; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.model-info-grid small { color:var(--muted); display:block; margin-top:4px; font-size:9px; line-height:1.35; }

@media (max-width: 1180px) {
  .app-shell { grid-template-columns: 350px minmax(0,1fr); }
  .model-info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { height:auto; overflow:visible; }
  .workspace { min-height: 760px; }
  .sticky-actions { position: static; margin:20px 0 0; padding:0; background:transparent; }
  .carousel-stage { min-height: 600px; }
}
@media (max-width: 560px) {
  .app-shell { padding: 10px; gap:10px; }
  .sidebar, .workspace { border-radius:20px; padding:16px; }
  .control-grid.two { flex-direction: column; gap:0; }
  .thumb-grid { grid-template-columns: repeat(4,1fr); }
  .workspace-topbar { align-items:flex-start; flex-direction:column; }
  .topbar-actions { width:100%; justify-content:space-between; }
  .carousel-stage { min-height: 510px; }
  .slide { padding:12px; }
  .model-info-grid { grid-template-columns: 1fr 1fr; }
}