:root {
  --bg: #070b12;
  --bg-2: #0a101a;
  --panel: #0e1623;
  --panel-2: #121d2d;
  --panel-3: #17253a;
  --line: #21324a;
  --line-2: #2a405d;
  --text: #e6eefc;
  --dim: #8ea3c2;
  --dim-2: #607896;
  --accent: #22d3ee;
  --accent-2: #6366f1;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --shadow: 0 18px 60px rgba(0, 0, 0, .45);
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  overflow: hidden;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(34, 211, 238, .3); }

/* ---------- scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #22334b; border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #2c4462; }

/* ---------- app shell ---------- */
#app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.topbar {
  height: 58px;
  flex: 0 0 58px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #0c1522 0%, #0a111c 100%);
  position: relative;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 18px; color: #041018;
  background: linear-gradient(135deg, #22d3ee 0%, #6ee7b7 100%);
  box-shadow: 0 0 22px rgba(34, 211, 238, .22);
}
.brand-title { font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.brand-sub { color: var(--dim-2); font-size: 10px; margin-top: 2px; letter-spacing: .4px; }

.topbar-center { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.inline-field { display: flex; align-items: center; gap: 7px; color: var(--dim); font-size: 12px; }
.inline-field input, .inline-field select { height: 30px; }
#projectName { width: 190px; }
#screenPreset { width: 150px; }

.topbar-actions { display: flex; align-items: center; gap: 7px; }
.topbar-sep { width: 1px; height: 22px; background: var(--line); margin: 0 3px; }
.github-link { opacity: .85; }

/* ---------- generic controls ---------- */
input[type="text"], input[type="number"], select, textarea {
  background: #09111c;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
  outline: none;
  padding: 6px 8px;
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus, textarea:focus {
  border-color: rgba(34, 211, 238, .65);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .08);
}
input[type="color"] {
  width: 32px; height: 30px; padding: 2px;
  border: 1px solid var(--line); border-radius: 7px;
  background: #09111c; cursor: pointer;
}
input[type="checkbox"] { accent-color: var(--accent); }
select { cursor: pointer; }

.ghost-btn, .primary-btn, .icon-btn, .zoom-label {
  border: 1px solid var(--line);
  background: #0d1725;
  color: var(--dim);
  border-radius: 7px;
  height: 30px;
  padding: 0 10px;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
  white-space: nowrap;
}
.ghost-btn:hover, .icon-btn:hover, .zoom-label:hover {
  background: #142134;
  border-color: var(--line-2);
  color: var(--text);
}
.ghost-btn:active, .icon-btn:active, .primary-btn:active { transform: translateY(1px); }
.icon-btn { width: 30px; padding: 0; display: inline-grid; place-items: center; font-size: 16px; line-height: 1; }
.icon-btn.small { width: 26px; height: 26px; font-size: 14px; }
.icon-btn:disabled, .ghost-btn:disabled { opacity: .35; cursor: default; }
.primary-btn {
  border-color: rgba(34, 211, 238, .55);
  background: linear-gradient(180deg, #1b7f93 0%, #126071 100%);
  color: #e8fdff;
  font-weight: 650;
  box-shadow: 0 6px 18px rgba(34, 211, 238, .12);
}
.primary-btn:hover { background: linear-gradient(180deg, #22a1b9 0%, #177689 100%); border-color: #67e8f9; }
.danger-ghost { color: #fca5a5; border-color: rgba(239, 68, 68, .28); }
.danger-ghost:hover { background: rgba(239, 68, 68, .12); border-color: rgba(239, 68, 68, .55); color: #fecaca; }

/* ---------- layout ---------- */
.layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr) 318px;
}
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  min-height: 0;
  overflow: auto;
  padding: 14px;
}
.right-sidebar {
  border-right: 0;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.sidebar-section { margin-bottom: 20px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.section-title { font-weight: 700; font-size: 12px; letter-spacing: .6px; color: #cfddf2; text-transform: uppercase; }
.section-hint { color: var(--dim-2); font-size: 10px; }
.sidebar-tip {
  border: 1px solid rgba(34, 211, 238, .16);
  background: rgba(34, 211, 238, .045);
  border-radius: 10px;
  padding: 10px 11px;
  color: var(--dim);
  font-size: 11px;
  line-height: 1.65;
}
.sidebar-tip b { color: var(--accent); }
.sidebar-tip p { margin: 5px 0 0; }
.sidebar-tip code { color: #a5f3fc; font-family: var(--mono); font-size: 10px; }

/* ---------- palette ---------- */
.palette { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.palette-item {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #101b2b 0%, #0c1522 100%);
  color: var(--dim);
  border-radius: 9px;
  padding: 9px 9px 8px;
  text-align: left;
  transition: border-color .15s, background .15s, color .15s, transform .08s;
}
.palette-item:hover { border-color: rgba(34, 211, 238, .5); color: var(--text); background: #12243a; transform: translateY(-1px); }
.palette-item svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.palette-item span { font-size: 11px; }
.palette-item small { color: var(--dim-2); font-size: 9px; }

/* ---------- mini form ---------- */
.mini-form { display: flex; flex-direction: column; gap: 9px; }
.field-row { display: flex; align-items: center; gap: 8px; min-height: 30px; }
.field-row > span:first-child { flex: 0 0 52px; color: var(--dim); font-size: 11px; }
.field-row input[type="number"] { width: 70px; }
.color-pair { display: flex; align-items: center; gap: 6px; min-width: 0; flex: 1; }
.color-pair input[type="text"] { width: 100%; min-width: 0; height: 30px; font-family: var(--mono); font-size: 11px; }
.inline-group { display: flex; align-items: center; gap: 10px; }
.switch-mini { display: flex; align-items: center; gap: 5px; color: var(--dim-2); font-size: 10px; cursor: pointer; }
.sidebar-actions { display: flex; gap: 7px; margin-top: 10px; }
.sidebar-actions .ghost-btn { flex: 1; }

/* ---------- workspace ---------- */
.workspace {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 18% 0%, rgba(34, 211, 238, .05), transparent 34%),
    radial-gradient(circle at 82% 100%, rgba(99, 102, 241, .055), transparent 36%),
    var(--bg-2);
}
.workspace-toolbar {
  flex: 0 0 42px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid rgba(33, 50, 74, .7);
  background: rgba(8, 14, 23, .55);
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; }

/* ---------- page tabs ---------- */
.pagebar {
  flex: 0 0 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding: 0 12px;
  border-bottom: 1px solid rgba(33, 50, 74, .7);
  background: rgba(9, 16, 26, .72);
}
.pagebar-label {
  flex: 0 0 auto;
  color: var(--dim-2);
  font-size: 10px;
  letter-spacing: .6px;
  text-transform: uppercase;
}
.page-tabs {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow-x: auto;
  padding: 4px 0;
  scrollbar-width: none;
}
.page-tabs::-webkit-scrollbar { display: none; }
.page-tab {
  flex: 0 0 auto;
  height: 28px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--dim);
  font-size: 11px;
  white-space: nowrap;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.page-tab:hover { background: #12243a; border-color: rgba(34, 211, 238, .22); color: var(--text); }
.page-tab.active {
  background: linear-gradient(180deg, rgba(34, 211, 238, .14), rgba(34, 211, 238, .06));
  border-color: rgba(34, 211, 238, .42);
  color: #cffafe;
}
.page-tab-dup {
  width: 16px;
  height: 16px;
  margin-left: -2px;
  border-radius: 4px;
  color: var(--dim-2);
  font-size: 11px;
  line-height: 16px;
  text-align: center;
  opacity: 0;
  transition: opacity .12s ease, background .12s ease, color .12s ease;
}
.page-tab:hover .page-tab-dup,
.page-tab.active .page-tab-dup { opacity: 1; }
.page-tab-dup:hover { background: rgba(34, 211, 238, .18); color: #cffafe; }
.page-tab-star { width: 11px; color: var(--dim-2); font-size: 10px; text-align: center; }
.page-tab-star.on { color: #fbbf24; }
.page-tab-name { max-width: 132px; overflow: hidden; text-overflow: ellipsis; }
.page-tab-count {
  min-width: 18px;
  padding: 1px 4px;
  border-radius: 7px;
  background: rgba(125, 160, 200, .12);
  color: var(--dim-2);
  font-size: 9px;
  text-align: center;
}
.page-add {
  flex: 0 0 auto;
  height: 28px;
  padding: 0 9px;
  border: 1px dashed rgba(34, 211, 238, .34);
  border-radius: 7px;
  background: rgba(34, 211, 238, .04);
  color: #a5f3fc;
  font-size: 10px;
}
.page-add:hover { background: rgba(34, 211, 238, .12); border-color: rgba(34, 211, 238, .65); }

.screen-chip {
  border: 1px solid rgba(34, 211, 238, .25);
  background: rgba(34, 211, 238, .06);
  color: #a5f3fc;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 10px;
  letter-spacing: .3px;
}
.toolbar-dim { color: var(--dim-2); font-size: 11px; }
.zoom-group { display: flex; align-items: center; gap: 4px; }
.zoom-label { min-width: 50px; height: 26px; padding: 0 6px; font-size: 10px; font-family: var(--mono); }

.canvas-scroll {
  flex: 1;
  min-height: 0;
  overflow: auto;
  position: relative;
}
.canvas-wrap {
  position: relative;
  margin: 36px auto;
  flex: 0 0 auto;
}
.canvas {
  position: absolute;
  left: 0; top: 0;
  width: 1024px; height: 600px;
  transform-origin: 0 0;
  background-color: #07111f;
  box-shadow: 0 0 0 1px #24364e, 0 24px 80px rgba(0, 0, 0, .55);
  border-radius: 2px;
  overflow: hidden;
  user-select: none;
  touch-action: none;
}
.canvas.grid {
  background-image:
    linear-gradient(to right, rgba(125, 160, 200, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(125, 160, 200, .09) 1px, transparent 1px);
  background-size: var(--grid-size, 8px) var(--grid-size, 8px);
}
.canvas.preview-mode { box-shadow: 0 0 0 1px #24364e, 0 24px 80px rgba(0, 0, 0, .55); }
.canvas-empty {
  position: absolute; inset: 0;
  display: grid; place-content: center; justify-items: center;
  gap: 7px; color: var(--dim-2); pointer-events: none;
}
.empty-icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center; font-size: 26px;
  border: 1px dashed #2b4362; color: #4f6d90;
}
.empty-title { font-size: 14px; color: #9fb4cf; }
.empty-sub { font-size: 11px; color: #5b7392; }

/* ---------- widgets ---------- */
.widget {
  position: absolute;
  box-sizing: border-box;
  cursor: move;
  outline: 1px solid transparent;
  min-width: 1px; min-height: 1px;
}
.widget:hover { outline-color: rgba(34, 211, 238, .28); }
.widget.selected { outline: 2px dashed rgba(34, 211, 238, .95); outline-offset: 1px; z-index: 9999; }
.widget.locked { cursor: default; }
.widget.is-hidden { opacity: .22; }
.widget .content { width: 100%; height: 100%; overflow: hidden; pointer-events: none; box-sizing: border-box; }
.widget .content * { pointer-events: none; box-sizing: border-box; }

.widget-panel .content { width: 100%; height: 100%; }
.widget-divider .content { display: flex; align-items: center; }
.ui-divider { width: 100%; }

.ui-label {
  width: 100%; height: 100%;
  display: flex; align-items: center;
  line-height: 1.22;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
}

.ui-button {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  padding: 0 4px;
}

.ui-image { width: 100%; height: 100%; display: block; }
.ui-image-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 5px;
  color: #5f7896;
  background: rgba(34, 211, 238, .035);
  border: 1px dashed rgba(95, 120, 150, .5);
  font-size: 10px;
  overflow: hidden;
  text-align: center;
  padding: 4px;
}
.ui-image-placeholder svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.4; }

.ui-bar-track { width: 100%; height: 100%; overflow: hidden; position: relative; }
.ui-bar-fill { height: 100%; position: absolute; left: 0; top: 0; }
.ui-slider { width: 100%; height: 100%; position: relative; }
.ui-slider-track {
  position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%);
  overflow: hidden;
}
.ui-slider-fill { height: 100%; position: absolute; left: 0; top: 0; }
.ui-slider-knob {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .35);
}
.ui-switch { width: 100%; height: 100%; position: relative; }
.ui-switch-track {
  position: absolute; inset: 0;
  border-width: 1px; border-style: solid;
  transition: background .15s, border-color .15s;
}
.ui-switch-knob {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 7px rgba(0, 0, 0, .35);
  transition: left .15s;
}
.ui-qr { width: 100%; height: 100%; display: block; background: #fff; }
.ui-qr-wrap { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; overflow: hidden; }

/* resize handles */
.resize-handle {
  position: absolute;
  width: 9px; height: 9px;
  background: #eafcff;
  border: 1.5px solid #0e7490;
  border-radius: 2px;
  z-index: 10000;
  pointer-events: auto;
  display: none;
}
.widget.selected .resize-handle { display: block; }
.resize-handle.h-nw { left: -5px; top: -5px; cursor: nwse-resize; }
.resize-handle.h-n  { left: 50%; top: -5px; margin-left: -4.5px; cursor: ns-resize; }
.resize-handle.h-ne { right: -5px; top: -5px; cursor: nesw-resize; }
.resize-handle.h-e  { right: -5px; top: 50%; margin-top: -4.5px; cursor: ew-resize; }
.resize-handle.h-se { right: -5px; bottom: -5px; cursor: nwse-resize; }
.resize-handle.h-s  { left: 50%; bottom: -5px; margin-left: -4.5px; cursor: ns-resize; }
.resize-handle.h-sw { left: -5px; bottom: -5px; cursor: nesw-resize; }
.resize-handle.h-w  { left: -5px; top: 50%; margin-top: -4.5px; cursor: ew-resize; }
.preview-mode .resize-handle, .preview-mode .widget.selected { display: none; outline: none; }
.preview-mode .widget { cursor: default; }

/* ---------- inspector ---------- */
.inspector-head {
  flex: 0 0 auto;
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(33, 50, 74, .6);
}
.inspector-head .section-title { font-size: 13px; text-transform: none; letter-spacing: .2px; }
.inspector-head .section-hint { margin-top: 3px; }
.inspector-quick-actions { display: flex; gap: 5px; }
.inspector-quick-actions .icon-btn { width: 26px; height: 26px; font-size: 13px; }
.inspector { flex: 1; min-height: 0; overflow: auto; padding: 4px 14px 14px; }
.inspector-section { padding: 12px 0 4px; border-bottom: 1px solid rgba(33, 50, 74, .45); }
.inspector-section:last-child { border-bottom: 0; }
.inspector-section-title {
  color: var(--dim-2); font-size: 10px; letter-spacing: .7px; text-transform: uppercase;
  margin: 0 0 9px;
}
.inspector-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.inspector-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.inspector-field.full { grid-column: 1 / -1; }
.inspector-field > label { color: var(--dim-2); font-size: 10px; }
.inspector-field input[type="text"], .inspector-field input[type="number"], .inspector-field select, .inspector-field textarea {
  width: 100%; height: 29px; padding: 4px 7px; font-size: 11px;
}
.inspector-field textarea { height: 62px; resize: vertical; line-height: 1.5; }
.inspector-field .color-pair { gap: 5px; }
.inspector-field .color-pair input[type="text"] { height: 29px; }
.inspector-field .color-pair input[type="color"] { height: 29px; width: 35px; }
.inspector-check { display: flex; align-items: center; gap: 7px; height: 29px; color: var(--dim); font-size: 11px; }
.inspector-actions-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.inspector-actions-row .ghost-btn { height: 27px; font-size: 10px; padding: 0 8px; }
.inspector-note { color: var(--dim-2); font-size: 10px; line-height: 1.6; margin: 7px 0 0; }
.inspector-note code { color: #a5f3fc; font-family: var(--mono); font-size: 9px; }
.image-preview {
  width: 100%; height: 86px; border: 1px solid var(--line); border-radius: 7px;
  background: #09111c; display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-top: 6px;
}
.image-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.image-preview .muted { color: var(--dim-2); font-size: 10px; }
.page-hero {
  border: 1px solid rgba(34, 211, 238, .14);
  background: linear-gradient(135deg, rgba(34, 211, 238, .07), rgba(99, 102, 241, .06));
  border-radius: 10px;
  padding: 12px;
  margin: 12px 0 4px;
}
.page-hero b { color: #cffafe; }
.page-hero p { margin: 5px 0 0; color: var(--dim); font-size: 11px; line-height: 1.6; }

/* ---------- layers ---------- */
.layers-head {
  flex: 0 0 auto;
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 10px 14px 8px;
  border-top: 1px solid var(--line);
}
.layers {
  flex: 0 0 220px;
  overflow: auto;
  padding: 0 8px 10px;
}
.layer-row {
  display: flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 7px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--dim);
  cursor: pointer;
  user-select: none;
}
.layer-row:hover { background: #111e2e; color: var(--text); }
.layer-row.active { background: rgba(34, 211, 238, .08); border-color: rgba(34, 211, 238, .22); color: #dffbff; }
.layer-type {
  flex: 0 0 20px; width: 20px; height: 20px;
  display: grid; place-items: center;
  border-radius: 5px; background: #16263b; color: #7dd3fc;
  font-size: 9px; font-weight: 700; text-transform: uppercase;
}
.layer-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.layer-row.is-hidden .layer-name { opacity: .4; text-decoration: line-through; }
.layer-btn {
  flex: 0 0 20px; width: 20px; height: 20px;
  border: 0; background: transparent; color: var(--dim-2);
  border-radius: 4px; padding: 0; font-size: 11px; line-height: 1;
}
.layer-btn:hover { background: #1b2c42; color: var(--text); }
.layer-row .layer-btn.off { opacity: .28; }

/* ---------- status bar ---------- */
.statusbar {
  flex: 0 0 27px;
  display: flex; align-items: center; gap: 8px;
  padding: 0 12px;
  border-top: 1px solid var(--line);
  background: #080e17;
  color: var(--dim-2);
  font-size: 10px;
  font-family: var(--mono);
}
.status-spacer { flex: 1; }
.status-sep { color: #2a405d; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 46px;
  transform: translate(-50%, 14px);
  background: #0f2233;
  border: 1px solid rgba(34, 211, 238, .35);
  color: #dffbff;
  padding: 9px 14px;
  border-radius: 9px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
  z-index: 1000;
  font-size: 12px;
  max-width: 70vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { border-color: rgba(239, 68, 68, .55); color: #fecaca; }

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(2, 6, 12, .72);
  display: grid; place-items: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal.hidden { display: none; }
.modal-card {
  width: min(640px, 94vw);
  max-height: 84vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  background: #0d1725;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.modal-card.code-wide { width: min(1100px, 94vw); }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.modal-title { font-weight: 700; font-size: 14px; }
.modal-body {
  padding: 14px 16px 18px;
  overflow: auto;
  color: var(--dim);
  font-size: 12px;
  line-height: 1.7;
}
.modal-body h3 { color: var(--text); font-size: 12px; margin: 14px 0 6px; }
.modal-body h3:first-child { margin-top: 0; }
.modal-body code { font-family: var(--mono); font-size: 10px; color: #a5f3fc; background: rgba(34, 211, 238, .06); padding: 1px 4px; border-radius: 4px; }
.modal-body pre {
  background: #08111c; border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; overflow: auto;
  font-family: var(--mono); font-size: 10px; line-height: 1.6; color: #bae6fd;
}
.modal-body ul { margin: 6px 0; padding-left: 18px; }
.modal-body li { margin: 3px 0; }
.code-preview { display: flex; flex-direction: column; gap: 8px; }
.code-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.code-tabs { display: flex; flex-wrap: wrap; gap: 4px; flex: 1 1 auto; min-width: 0; }
.code-tab {
  height: 24px; padding: 0 8px;
  border: 1px solid transparent; border-radius: 6px;
  background: transparent; color: var(--dim);
  font-family: var(--mono); font-size: 10px; cursor: pointer;
}
.code-tab:hover { background: #12243a; color: var(--text); }
.code-tab.active { background: rgba(34, 211, 238, .14); border-color: rgba(34, 211, 238, .42); color: #cffafe; }
.code-meta { color: var(--dim-2); font-size: 10px; white-space: nowrap; }
.modal-body #codeBody { margin: 0; max-height: 62vh; white-space: pre; tab-size: 2; }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .layout { grid-template-columns: 200px minmax(0, 1fr) 292px; }
  .brand { min-width: 190px; }
  #projectName { width: 150px; }
}
@media (max-width: 1100px) {
  .topbar { gap: 10px; padding: 0 10px; }
  .brand-sub { display: none; }
  .brand { min-width: 150px; }
  .topbar-actions .ghost-btn { padding: 0 7px; }
  .layout { grid-template-columns: 184px minmax(0, 1fr) 270px; }
  .sidebar { padding: 11px; }
  .palette { gap: 5px; }
}
@media (max-width: 900px) {
  .topbar-center { display: none; }
  .layout { grid-template-columns: 170px minmax(0, 1fr) 250px; }
  .github-link { display: none; }
}