/* ============================================================
   bloub-avatar 全站样式
   手感核心:签名缓动 cubic-bezier(.22,1,.36,1) 用于面板切换,
   小交互用 0.15-0.25s ease;一切 transform 走合成层,拒绝跳变。
   ============================================================ */

:root {
  --paper: #f9f9f9;
  --ink: #17203a;
  --line: #e3e5ea;
  --muted: #6e7382;
  --danger: #d63c34;
  --timeline: 236px;
  --bascule: 1s cubic-bezier(0.22, 1, 0.36, 1);
  --snap: 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-pop: 0 10px 30px rgba(23, 32, 58, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "Noto Sans", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; border: 0 solid; }
html { height: 100%; }
body {
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button { font: inherit; color: inherit; background: none; cursor: pointer; }
input { font: inherit; }
dialog { border: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ---------- 场景布局:三栏 ---------- */
.scene {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr minmax(0, 1.6fr) 1fr;
  align-items: stretch;
  padding: 1.25rem 2rem calc(var(--timeline) + 0.5rem);
  gap: 1.5rem;
  max-width: 1680px;
  margin: 0 auto;
}
.scene.no-timeline { --timeline: 0px; }

.panneau {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding-top: 3.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  animation: panel-in var(--bascule) both;
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

h2 { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.01em; }
.hint { font-size: 0.75rem; color: var(--muted); margin-top: 0.35rem; }

/* ---------- 悬浮导航 ---------- */
.dock {
  position: fixed;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.375rem;
  border-radius: 1.25rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 18px rgba(23, 32, 58, 0.06);
}
.dock button {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: 0.875rem;
  color: var(--muted);
  transition: background var(--snap), color var(--snap), transform var(--snap);
}
.dock button:hover { background: rgba(23, 32, 58, 0.06); color: var(--ink); }
.dock button:active { transform: scale(0.92); }
.dock button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}
.dock button svg { transition: transform var(--bascule); }
.dock button:hover svg { transform: translateY(-1px) scale(1.06); }

/* 气泡提示 */
.dock button .tip {
  position: absolute;
  left: calc(100% + 0.75rem);
  top: 50%;
  translate: 0 -50%;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--paper);
  background: var(--ink);
  padding: 0.3rem 0.6rem;
  border-radius: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, translate 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.dock button:hover .tip { opacity: 1; translate: 4px -50%; }

/* ---------- 中央头像 ---------- */
.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.avatar-wrap {
  width: 100%;
  max-width: min(460px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  animation: avatar-in 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes avatar-in {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: none; }
}
.avatar-wrap svg { width: 100%; height: auto; }

/* ---------- 导出条 ---------- */
.export-bar { display: flex; align-items: center; gap: 0.6rem; position: relative; }
.export-main {
  display: flex;
  align-items: stretch;
  border-radius: 0.75rem;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(23, 32, 58, 0.18);
}
.export-main > button {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.65rem 0.85rem 0.65rem 1rem;
  transition: background var(--snap);
}
.export-main > button:hover { background: rgba(255, 255, 255, 0.1); }
.export-main .divider { width: 1px; background: rgba(255, 255, 255, 0.22); }
.export-main .drop {
  padding: 0.65rem 0.6rem;
}
.export-main .drop svg { transition: transform var(--snap); }
.export-main .drop[aria-expanded="true"] svg { transform: rotate(180deg); }

.export-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  translate: -50% 0;
  min-width: 15rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.875rem;
  padding: 0.375rem;
  box-shadow: var(--shadow-pop);
  opacity: 0;
  pointer-events: none;
  translate: -50% 6px;
  transition: opacity 0.2s ease, translate 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 20;
}
.export-menu.open { opacity: 1; pointer-events: auto; translate: -50% 0; }
.export-menu button {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  text-align: left;
  padding: 0.5rem 0.7rem;
  border-radius: 0.6rem;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: background var(--snap);
}
.export-menu button:hover { background: rgba(23, 32, 58, 0.05); }
.export-menu button small { font-weight: 400; font-size: 0.6875rem; color: var(--muted); }
.export-status {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 50%;
  translate: -50% 0;
  font-size: 0.75rem;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  box-shadow: var(--shadow-pop);
  white-space: nowrap;
  animation: panel-in 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ---------- 面板通用控件 ---------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
  margin-top: 0.55rem;
}
.cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.3rem 0.15rem 0.45rem;
  border: 2px solid transparent;
  border-radius: 0.875rem;
  transition: border-color var(--snap), background var(--snap), transform var(--snap);
}
.cell:hover { background: rgba(23, 32, 58, 0.045); }
.cell:active { transform: scale(0.94); }
.cell[aria-pressed="true"] { border-color: var(--ink); }
.cell svg { width: 60px; height: 60px; }
.cell span { font-size: 0.6875rem; line-height: 1.2; text-align: center; color: var(--ink); }

/* 颜色格子 */
.swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.55rem; margin-top: 0.55rem; }
.swatch {
  aspect-ratio: 1;
  border-radius: 999px;
  position: relative;
  border: 1px solid rgba(23, 32, 58, 0.1);
  transition: transform var(--snap), box-shadow var(--snap);
}
.swatch:hover { transform: scale(1.1); }
.swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }

/* ---------- 设置面板 ---------- */
.lang-list { display: flex; flex-direction: column; gap: 0.2rem; margin-top: 0.55rem; }
.lang-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  font-size: 0.875rem;
  transition: border-color var(--snap), background var(--snap);
}
.lang-row:hover { background: rgba(23, 32, 58, 0.035); }
.lang-row[aria-checked="true"] { border-color: var(--ink); }
.lang-row .check { margin-left: auto; opacity: 0; transition: opacity var(--snap); }
.lang-row[aria-checked="true"] .check { opacity: 1; }

.about-card {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.55rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  text-decoration: none;
  color: var(--ink);
  transition: background var(--snap), border-color var(--snap);
}
.about-card:hover { background: rgba(23, 32, 58, 0.035); border-color: #cfd2da; }
.about-card .ext { margin-left: auto; color: var(--muted); }
.credit { margin-top: 1rem; font-size: 0.75rem; color: var(--muted); }
.credit a { color: var(--ink); font-weight: 500; }

/* ---------- 动画面板:状态库 + 时间轴 ---------- */
.anim-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.45rem; margin-top: 0.55rem; }
.seq-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.4rem;
}
.seq-head select {
  flex: 1;
  font: inherit;
  font-size: 0.8125rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: #fff;
  color: var(--ink);
  transition: border-color var(--snap);
}
.seq-head select:hover { border-color: #cfd2da; }
.icon-btn {
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  color: var(--muted);
  transition: color var(--snap), border-color var(--snap), background var(--snap), transform var(--snap);
}
.icon-btn:hover { color: var(--ink); border-color: #cfd2da; background: rgba(23, 32, 58, 0.03); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn.danger:hover { color: var(--danger); border-color: var(--danger); }

.track {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 4px;
  margin-top: 0.6rem;
  padding: 0.7rem 0.7rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 0.875rem;
  background: #fff;
  overflow-x: auto;
  scrollbar-width: thin;
}
.clip {
  position: relative;
  flex: 0 0 auto;
  min-width: 74px;
  border-radius: 0.625rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.45rem 0.6rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  animation: clip-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: transform var(--snap), background var(--snap), opacity var(--snap);
}
@keyframes clip-in {
  from { opacity: 0; transform: translateX(-8px) scale(0.9); }
  to { opacity: 1; transform: none; }
}
.clip:hover { transform: translateY(-2px); }
.clip.playing { background: #2496e8; }
.clip .clip-name { font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.clip .clip-len { font-size: 0.625rem; opacity: 0.65; }
.clip .clip-x {
  position: absolute;
  top: -7px; right: -7px;
  width: 18px; height: 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  display: grid; place-items: center;
  opacity: 0;
  transition: opacity var(--snap), color var(--snap);
}
.clip:hover .clip-x { opacity: 1; }
.clip .clip-x:hover { color: var(--danger); }
.track .playhead {
  position: absolute;
  top: 6px; bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: #2496e8;
  pointer-events: none;
  transition: left 0.12s linear;
}
.track-empty { font-size: 0.75rem; color: var(--muted); padding: 0.6rem 0.3rem; }

.transport {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.7rem;
}
.transport .info { font-size: 0.75rem; color: var(--muted); margin-left: auto; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.55rem 0.9rem;
  border-radius: 0.75rem;
  transition: background var(--snap), transform var(--snap);
}
.btn-primary:hover { background: #2a3452; }
.btn-primary:active { transform: scale(0.96); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.75rem;
  border: 1px solid var(--line);
  color: var(--ink);
  transition: background var(--snap), border-color var(--snap), transform var(--snap);
}
.btn-ghost:hover { background: rgba(23, 32, 58, 0.04); border-color: #cfd2da; }
.btn-ghost:active { transform: scale(0.96); }

/* ---------- 对话框 ---------- */
dialog.dialogue {
  margin: auto;
  width: 20rem;
  max-width: calc(100vw - 2rem);
  background: #fff;
  border-radius: 1.25rem;
  padding: 1.25rem;
  box-shadow: var(--shadow-pop);
  border: 1px solid var(--line);
  opacity: 0;
  transform: translateY(10px) scale(0.97);
  transition: opacity 0.2s ease-out, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
    overlay 0.25s ease allow-discrete, display 0.25s ease allow-discrete;
}
dialog.dialogue[open] { opacity: 1; transform: none; }
dialog.dialogue::backdrop {
  background: rgba(23, 32, 58, 0.28);
  opacity: 0;
  transition: opacity 0.2s ease-out, overlay 0.25s ease allow-discrete, display 0.25s ease allow-discrete;
}
dialog.dialogue[open]::backdrop { opacity: 1; }

.dialogue h3 { font-size: 0.875rem; font-weight: 600; }
.dialogue .note { font-size: 0.7rem; color: var(--muted); margin-top: 0.3rem; line-height: 1.45; }
.dialogue .opts { display: flex; flex-direction: column; gap: 0.15rem; margin-top: 0.8rem; }
.dialogue label.opt {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.625rem;
  cursor: pointer;
  transition: background var(--snap);
}
.dialogue label.opt:hover { background: rgba(23, 32, 58, 0.05); }
.dialogue label.opt input { accent-color: var(--ink); }
.dialogue label.opt b { font-size: 0.8125rem; font-weight: 500; display: block; }
.dialogue label.opt small { font-size: 0.6875rem; color: var(--muted); }
.dialogue .actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }
.dialogue .actions .btn-text {
  height: 2rem;
  padding: 0 0.75rem;
  border-radius: 0.625rem;
  font-size: 0.75rem;
  color: var(--muted);
  transition: background var(--snap), color var(--snap);
}
.dialogue .actions .btn-text:hover { background: rgba(23, 32, 58, 0.06); color: var(--ink); }
.dialogue input[type="text"] {
  width: 100%;
  margin-top: 0.8rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.625rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--snap), box-shadow var(--snap);
}
.dialogue input[type="text"]:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(23, 32, 58, 0.08); }

.progress {
  height: 4px;
  border-radius: 999px;
  background: var(--line);
  margin-top: 1rem;
  overflow: hidden;
}
.progress i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--ink);
  transition: width 0.15s linear;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .scene {
    grid-template-columns: 1fr;
    padding: 4.5rem 1.25rem 2rem;
    gap: 1.25rem;
  }
  .dock {
    top: 0.9rem;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
  }
  .dock button .tip {
    left: 50%; top: calc(100% + 0.6rem);
    translate: -50% 0;
  }
  .dock button:hover .tip { translate: -50% 4px; }
  .stage { order: -1; }
  .panneau { padding-top: 0; }
  .scene { --timeline: 0px; }
  .avatar-wrap { max-width: min(340px, 78vw); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}