:root {
  --violet-50: #f6f3ff;
  --violet-100: #ebe4ff;
  --violet-200: #d4c8ff;
  --violet-300: #b09bff;
  --violet-400: #8b74ff;
  --violet-500: #7b6cff;
  --violet-600: #5f4fd6;
  --blue-300: #9ec5ff;
  --blue-400: #6ea8ff;
  --ink: #1d1a33;
  --ink-soft: #5d5878;
  --line: rgba(123, 108, 255, 0.18);
  --shadow: 0 16px 36px rgba(95, 79, 214, 0.16);
  --radius: 20px;
  --kitty-red: #ff4d6d;
  --font-display: "ZCOOL KuaiLe", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", system-ui, sans-serif;
  --tool-w: 64px;
  --side-w: 300px;
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 0% 0%, #d9ccff 0%, transparent 55%),
    radial-gradient(800px 460px at 100% 8%, #c8dcff 0%, transparent 50%),
    linear-gradient(165deg, #f7f4ff 0%, #eef3ff 45%, #e8e4ff 100%);
  -webkit-tap-highlight-color: transparent;
  padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom));
}

.dream-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background-image: radial-gradient(circle at 1px 1px, rgba(123, 108, 255, 0.16) 1px, transparent 0);
  background-size: 18px 18px;
  mask-image: linear-gradient(#000, transparent 88%);
}

.kitty-bow {
  position: absolute;
  width: 34px;
  height: 22px;
  background: var(--kitty-red);
  border-radius: 40% 40% 55% 55%;
  box-shadow: 18px 0 0 var(--kitty-red);
  opacity: 0.35;
  animation: bob 4s ease-in-out infinite;
}
.kitty-bow::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffd0d8;
}
.bow-1 { left: 8%; top: 16%; }
.bow-2 { right: 10%; top: 58%; animation-delay: -1.5s; opacity: 0.28; }

.kitty-face {
  position: absolute;
  width: 46px;
  height: 40px;
  border: 2px solid rgba(40, 35, 60, 0.35);
  border-radius: 50%;
  opacity: 0.28;
}
.kitty-face::before,
.kitty-face::after {
  content: "";
  position: absolute;
  top: -10px;
  width: 14px;
  height: 16px;
  border: 2px solid rgba(40, 35, 60, 0.35);
  border-radius: 50% 50% 40% 40%;
  background: transparent;
}
.kitty-face::before { left: 4px; transform: rotate(-18deg); }
.kitty-face::after { right: 4px; transform: rotate(18deg); }
.face-1 { right: 12%; top: 22%; }
.face-2 { left: 12%; bottom: 22%; }

.star {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.9);
  opacity: 0.7;
}
.s1 { left: 20%; top: 30%; }
.s2 { right: 24%; top: 42%; }
.s3 { left: 70%; top: 18%; }

.page {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--nav-h));
}
.page[hidden] { display: none !important; }
.page-inner {
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 1.1rem 1rem 1.5rem;
}
.home-inner { padding-top: 1.6rem; }

.announce {
  display: inline-flex;
  margin: 0 0 0.9rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  color: var(--violet-600);
  font-size: 0.84rem;
  font-weight: 600;
}
.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 10vw, 3.6rem);
  line-height: 1.08;
}
.tone-a { color: var(--ink); }
.tone-b {
  margin-left: 0.12em;
  background: linear-gradient(120deg, var(--violet-500), var(--blue-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-desc {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: 0.98rem;
}
.hero-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.btn-primary, .pill-btn {
  border: none;
  background: linear-gradient(135deg, var(--violet-400), var(--violet-600));
  color: #fff;
  font: inherit;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(95, 79, 214, 0.28);
}
.btn-ghost, .soft-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--violet-600);
  font: inherit;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.85rem 1rem;
  cursor: pointer;
}
.btn-primary.full, .btn-ghost.full { width: 100%; margin-top: 0.85rem; }

.home-cards { display: grid; gap: 0.7rem; margin-top: 1.3rem; }
.mini-card, .mine-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  border-radius: 18px;
  padding: 0.9rem;
  font: inherit;
  color: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.mine-item.static { cursor: default; }
.mini-card[hidden], .mine-item[hidden] { display: none !important; }
.mc-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--violet-100);
  flex: 0 0 auto;
}
.mini-card b, .mine-item b { display: block; color: var(--ink); }
.mini-card small, .mine-item small { color: var(--ink-soft); font-size: 0.82rem; }

.page-h {
  margin: 0.2rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--violet-600);
}
.page-sub { margin: 0 0 1rem; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; }

.pref-grid {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.pref-grid.two { grid-template-columns: 1fr 1fr; }
.pref-grid label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
select, input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.75rem;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

.upload-actions {
  display: grid;
  gap: 0.75rem;
}
.upload-tile {
  border: 1.5px dashed rgba(123, 108, 255, 0.4);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 20px;
  padding: 1.15rem 1rem;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: grid;
  gap: 0.2rem;
}
.upload-tile.camera { background: linear-gradient(180deg, #f3efff, #eaf1ff); }
.upload-tile.album { background: linear-gradient(180deg, #eef3ff, #f6f3ff); }
.tile-icon { font-size: 1.6rem; }
.upload-tile strong { color: var(--violet-600); font-size: 1.05rem; }
.upload-tile small { color: var(--ink-soft); }
.tip { margin: 0.85rem 0 0; color: #7a7496; font-size: 0.8rem; text-align: center; }

.size-presets { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0.2rem 0 1rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
}
.chip.active, .chip:hover {
  background: var(--violet-500);
  border-color: var(--violet-500);
  color: #fff;
}

.mine-list { display: grid; gap: 0.7rem; }
.about-box {
  margin-top: 1.1rem;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
}
.about-box h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--violet-600); }
.about-box ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); }
.about-box li { margin: 0.35rem 0; }

/* Bottom nav */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  height: calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding: 0.35rem 0.5rem calc(0.35rem + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.2rem;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.bottom-nav[hidden] { display: none !important; }
.nav-item {
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.72rem;
  display: grid;
  place-items: center;
  gap: 0.1rem;
  cursor: pointer;
  border-radius: 14px;
  padding: 0.35rem 0.2rem;
}
.nav-item.active {
  color: var(--violet-600);
  background: var(--violet-100);
  font-weight: 700;
}
.ni { font-size: 1.15rem; line-height: 1; }

.mini-bow {
  width: 1.1rem;
  height: 0.75rem;
  background: var(--kitty-red);
  border-radius: 40% 40% 50% 50%;
  box-shadow: 0.65rem 0 0 var(--kitty-red);
  position: relative;
  display: inline-block;
}
.mini-bow::after {
  content: "";
  position: absolute;
  left: 0.42rem;
  top: 0.18rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: #ffd0d8;
}

/* Studio */
.studio-view {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #f4f1ff, #eaf0ff);
  padding-bottom: 0;
}
.studio-view[hidden] { display: none !important; }
.studio-top {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
}
.studio-brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex: 1;
  font-family: var(--font-display);
  color: var(--violet-600);
}
.studio-actions { display: flex; gap: 0.35rem; align-items: center; }
.icon-btn, .tool {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  font: inherit;
  cursor: pointer;
}
.icon-btn {
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  font-weight: 700;
}
.soft-btn { border-radius: 12px; padding: 0.6rem 0.8rem; }

.studio-body {
  flex: 1;
  display: grid;
  grid-template-columns: var(--tool-w) 1fr;
  grid-template-rows: 1fr auto;
  min-height: 0;
}
.toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.5rem 0.35rem;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  overflow: auto;
}
.tool {
  padding: 0.5rem 0.15rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.tool.active, .tool:hover {
  background: var(--violet-100);
  color: var(--violet-600);
  border-color: var(--violet-300);
}
.tool-sep { height: 1px; background: var(--line); margin: 0.2rem 0; }

.canvas-stage {
  position: relative;
  min-width: 0;
  min-height: 45vh;
  background:
    linear-gradient(45deg, #e8e4ff 25%, transparent 25%),
    linear-gradient(-45deg, #e8e4ff 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e8e4ff 75%),
    linear-gradient(-45deg, transparent 75%, #e8e4ff 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
  background-color: #f7f4ff;
}
.canvas-scroller {
  width: 100%;
  height: 100%;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
}
#mainCanvas {
  display: block;
  margin: 12px auto;
  cursor: crosshair;
  touch-action: none;
}
.stage-meta {
  position: absolute;
  left: 0.55rem;
  bottom: 0.55rem;
  display: flex;
  gap: 0.45rem;
  font-size: 0.75rem;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
}

.side-panel {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  max-height: 42vh;
  overflow: auto;
  padding: 0.7rem;
}
.panel-tabs { display: flex; gap: 0.35rem; margin-bottom: 0.7rem; }
.ptab {
  flex: 1;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.45rem;
  font: inherit;
  font-size: 0.86rem;
  color: var(--ink-soft);
  cursor: pointer;
}
.ptab.active {
  background: var(--violet-500);
  border-color: var(--violet-500);
  color: #fff;
  font-weight: 700;
}
.panel-page { display: none; }
.panel-page.active { display: grid; gap: 0.7rem; }
.field { display: grid; gap: 0.3rem; font-size: 0.9rem; color: var(--ink-soft); }
.field b { color: var(--violet-600); font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--violet-500); }
.toggle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.45rem; }
.toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.panel-hint { margin: 0; color: var(--ink-soft); font-size: 0.85rem; }
.active-color {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  padding: 0.6rem;
  border-radius: 14px;
  background: var(--violet-50);
  border: 1px solid var(--line);
}
.active-color p { margin: 0.15rem 0 0; font-size: 0.82rem; color: var(--ink-soft); }
.swatch {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.15);
  display: inline-block;
}
.swatch.big { width: 2.2rem; height: 2.2rem; }
.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 0.4rem;
}
.pal-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 0.4rem;
  cursor: pointer;
  font: inherit;
  text-align: left;
}
.pal-item.active { border-color: var(--violet-400); box-shadow: 0 0 0 2px rgba(123, 108, 255, 0.28); }
.pal-item small { display: block; color: var(--ink-soft); font-size: 0.72rem; }
.stats-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}
.stats-summary div {
  background: var(--violet-50);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.55rem;
  text-align: center;
}
.stats-summary b { display: block; color: var(--violet-600); font-size: 1.1rem; }
.stats-summary span { font-size: 0.75rem; color: var(--ink-soft); }
.stats-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; }
.stats-list li {
  display: grid;
  grid-template-columns: 1.2rem 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0.5rem;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.88rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(30, 24, 60, 0.4);
  display: grid;
  place-items: center;
  padding: 1rem;
}
.modal[hidden] { display: none !important; }
.modal-card {
  width: min(400px, 100%);
  background: #fff;
  border-radius: 22px;
  padding: 1.1rem;
  border: 2px solid var(--violet-200);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
}
.modal-card h3 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--violet-600);
}
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-h) + 1rem);
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  z-index: 60;
  font-size: 0.9rem;
}
.toast[hidden] { display: none !important; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (min-width: 860px) {
  body { padding-bottom: 0; }
  .bottom-nav {
    left: 50%;
    transform: translateX(-50%);
    width: min(560px, calc(100% - 2rem));
    bottom: 1rem;
    border-radius: 22px;
    border: 1px solid var(--line);
    height: var(--nav-h);
    padding-bottom: 0.35rem;
  }
  .page-inner { width: min(720px, 100%); padding-top: 1.5rem; }
  .upload-actions { grid-template-columns: 1fr 1fr; }
  .studio-body {
    grid-template-columns: var(--tool-w) 1fr var(--side-w);
    grid-template-rows: 1fr;
  }
  .side-panel {
    grid-column: auto;
    border-top: none;
    border-left: 1px solid var(--line);
    max-height: none;
    height: calc(100vh - 54px);
  }
  .canvas-stage { min-height: calc(100vh - 54px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.section-title {
  margin: 1.5rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--violet-600);
}
.module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.module-grid.compact { margin-top: 0.5rem; }
.module-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.84);
  border-radius: 18px;
  padding: 0.9rem 0.75rem;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.2rem;
}
.module-card span { font-size: 1.25rem; }
.module-card b { font-size: 0.92rem; color: var(--ink); }
.module-card small { color: var(--ink-soft); font-size: 0.75rem; }

.feature-list { display: grid; gap: 0.65rem; margin-top: 1rem; }
.soft-box {
  background: rgba(255,255,255,0.82);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}
.soft-box.mt, .mt { margin-top: 1rem; }
.box-title { margin: 0 0 0.5rem; font-size: 1rem; color: var(--violet-600); }
.plain-list { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); }
.plain-list li { margin: 0.35rem 0; }

.filter-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  margin-bottom: 0.85rem;
}
.ftab {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.8);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  white-space: nowrap;
}
.ftab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  font-weight: 700;
}

.lib-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.lib-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.86);
  border-radius: 16px;
  overflow: hidden;
  padding: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.lib-cover {
  height: 88px;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  background: linear-gradient(135deg, #ebe4ff, #dce8ff);
}
.lib-cover.c1 { background: linear-gradient(135deg, #ffe0ea, #e8e0ff); }
.lib-cover.c2 { background: linear-gradient(135deg, #e0e8ff, #f0e8ff); }
.lib-cover.c3 { background: linear-gradient(135deg, #ffe8d8, #efe0ff); }
.lib-body { padding: 0.7rem 0.75rem 0.85rem; }
.lib-body b { display: block; font-size: 0.9rem; }
.lib-body small { color: var(--ink-soft); font-size: 0.75rem; }

.feed-list { display: grid; gap: 0.55rem; }
.feed-item {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.85);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
}
.feed-item b { display: block; font-size: 0.92rem; }
.feed-item small { color: var(--ink-soft); font-size: 0.78rem; }
.comm-panel[hidden] { display: none !important; }

.calc-result {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: 12px;
  background: var(--violet-50);
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}
.calc-result b { color: var(--violet-600); }
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem;
  font: inherit;
  resize: vertical;
  margin-bottom: 0.65rem;
}

@media (min-width: 760px) {
  .module-grid { grid-template-columns: repeat(4, 1fr); }
  .lib-grid { grid-template-columns: repeat(3, 1fr); }
}