/* Lune api — 图片 / 视频创作页（提示词优先 · 作品流）。
   颜色只用 app.css :root 里已有的变量及其 rgba 变体；按钮、胶囊、输入框沿用 btn-gray / btn-purple / icon-btn / pill。 */

/* ================= 创作框 ================= */
.studio-composer{
  min-width:0;scroll-margin-top:84px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px 20px;
  transition:border-color .2s;
}
.studio-composer:focus-within{border-color:rgba(var(--purple-rgb),.28)}
.studio-label{display:block;flex:none;font-size:12px;line-height:1;color:var(--faint)}

.studio-input{position:relative}
.studio-textarea{
  display:block;width:100%;resize:none;overflow-y:auto;
  min-height:calc(3 * 1.65em + 46px);max-height:calc(10 * 1.65em + 46px);
  background:#0d0e12;border:1px solid var(--line-strong);border-radius:12px;
  padding:14px 16px 30px;color:var(--text);font-family:inherit;font-size:15px;line-height:1.65;outline:none;
  transition:border-color .2s;
}
:root[data-theme='light'] .studio-textarea{background:var(--sunken)}
.studio-textarea:focus{border-color:rgba(var(--purple-rgb),.55)}
.studio-textarea::placeholder{color:var(--faint)}
.studio-count{position:absolute;right:14px;bottom:9px;font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--faint);pointer-events:none}

/* 灵感词 */
.studio-styles{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.studio-chip{
  flex:none;white-space:nowrap;min-height:30px;padding:4px 13px;border-radius:999px;
  border:1px solid var(--line-strong);background:rgba(var(--ink-rgb),.02);
  color:var(--dim);font-size:12.5px;transition:.15s;
}
.studio-chip:hover{color:var(--text);border-color:rgba(var(--purple-rgb),.45);background:rgba(var(--purple-rgb),.08)}
.studio-chip:active{background:rgba(var(--purple-rgb),.14)}

/* 参数行 */
.studio-params{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 22px;margin-top:18px}
.studio-field{display:flex;flex-direction:column;gap:7px;min-width:0}
.studio-field[hidden]{display:none}

.studio-select-wrap{position:relative;display:block}
.studio-select-wrap::after{
  content:"";position:absolute;right:14px;top:50%;width:6px;height:6px;pointer-events:none;
  border-right:1.5px solid var(--faint);border-bottom:1.5px solid var(--faint);
  transform:translateY(-70%) rotate(45deg);
}
.studio-select{
  appearance:none;-webkit-appearance:none;display:block;width:100%;min-height:40px;
  background:#0d0e12;border:1px solid var(--line-strong);border-radius:11px;
  padding:9px 34px 9px 13px;color:var(--text);font-family:inherit;font-size:13.5px;
  text-overflow:ellipsis;cursor:pointer;outline:none;transition:border-color .2s;
}
:root[data-theme='light'] .studio-select{background:var(--sunken)}
.studio-select:focus-visible{border-color:rgba(var(--purple-rgb),.55)}
.studio-select option{background:var(--card);color:var(--text)}
.studio-field-model .studio-select-wrap{width:clamp(210px,26vw,300px)}
.studio-nomodel{margin:12px 0 0}

/* 比例：按比例画出的小矩形 + 比例文字 */
.studio-ratios{display:flex;gap:6px}
.studio-ratio{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-width:54px;height:56px;padding:6px 9px;border-radius:11px;
  border:1px solid var(--line-strong);background:rgba(var(--ink-rgb),.02);
  color:var(--dim);font-family:"JetBrains Mono",monospace;font-size:11px;transition:.15s;
}
.studio-ratio:hover{color:var(--text);border-color:rgba(var(--ink-rgb),.24)}
.studio-ratio-icon{display:flex;align-items:center;justify-content:center;width:22px;height:22px}
.studio-ratio-icon i{display:block;border:1.5px solid currentColor;border-radius:3px;background:rgba(var(--ink-rgb),.04)}
.studio-ratio[aria-checked="true"]{color:var(--purple-strong);border-color:rgba(var(--purple-rgb),.6);background:rgba(var(--purple-rgb),.14)}

/* 分段（数量 / 时长），与 .tabs 同一套底色 */
.studio-seg{display:inline-flex;gap:3px;padding:3px;min-height:40px;background:var(--sunken);border:1px solid var(--line);border-radius:11px}
.studio-seg-btn{
  min-width:42px;padding:0 12px;border-radius:8px;
  color:var(--dim);font-family:"JetBrains Mono",monospace;font-size:13px;transition:.15s;
}
.studio-seg-btn:hover:not(:disabled){color:var(--text)}
.studio-seg-btn[aria-checked="true"]{background:var(--raised);color:var(--text)}
.studio-seg-btn:disabled{opacity:.35;cursor:not-allowed}

.studio-chip:focus-visible,.studio-ratio:focus-visible,.studio-seg-btn:focus-visible,.studio-thumb:focus-visible,
.studio-viewer button:focus-visible,.studio-viewer a:focus-visible,.studio-keylink:focus-visible{outline:2px solid var(--purple);outline-offset:2px}

/* 底部行：密钥 · 费用 · 生成 */
.studio-footer{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.studio-token,.studio-token-field{display:flex;align-items:center;gap:10px;min-width:0}
.studio-token-field .studio-select-wrap{width:200px}
.studio-keylink{color:var(--purple);font-size:13px;text-decoration:underline;text-underline-offset:3px}
.studio-cost{flex:1 1 auto;min-width:0;color:var(--faint);font-size:12.5px;line-height:1.5}
.studio-submit{flex:none;justify-content:center;min-height:44px;padding:0 26px}
.studio-submit svg{flex:none}
.studio-composer .auth-err{margin:12px 0 0}

/* ================= 作品流 ================= */
.studio-feed{margin-top:32px;min-width:0}
.studio-feed-head{display:flex;align-items:center;gap:12px}
.studio-feed-head h2{font-size:16.5px;font-weight:700}
.studio-feed-count{color:var(--dim);font-size:12.5px}
.studio-feed-head .btn-gray{margin-left:auto;padding:8px 14px;font-size:13px;white-space:nowrap}
.studio-feed-head .btn-gray svg{width:16px;height:16px;flex:none}
.studio-day{display:flex;align-items:center;gap:12px;margin:24px 0 10px;font-size:12.5px;font-weight:500;color:var(--faint);letter-spacing:.02em}
.studio-day::after{content:"";flex:1;height:1px;background:var(--line)}
.studio-items{display:flex;flex-direction:column;gap:12px}
.studio-empty{margin-top:14px;padding:56px 20px;font-size:14px}

.studio-item{display:flex;flex-wrap:wrap;align-items:stretch;gap:12px 18px;min-width:0;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;transition:border-color .2s}
.studio-item:hover{border-color:var(--line-strong)}
.studio-item.is-local{border-style:dashed;border-color:var(--line-strong)}
.studio-media{display:flex;flex:0 1 auto;flex-wrap:wrap;align-content:flex-start;gap:8px;min-width:0;max-width:100%}

.studio-thumb{
  position:relative;flex:0 0 auto;height:200px;max-width:100%;aspect-ratio:1;padding:0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg-side);
  cursor:zoom-in;transition:border-color .2s,transform .2s;
}
.studio-thumb:hover{border-color:rgba(var(--purple-rgb),.4)}
.studio-thumb img,.studio-thumb video{display:block;width:100%;height:100%;object-fit:cover}
.studio-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;background:rgba(0,0,0,.18);pointer-events:none}
.studio-play svg{width:44px;height:44px;filter:drop-shadow(0 2px 10px rgba(0,0,0,.5))}

.studio-placeholder{
  flex:0 0 auto;display:flex;flex-wrap:wrap;align-items:center;align-content:center;justify-content:center;gap:2px 6px;
  height:200px;max-width:100%;aspect-ratio:1;padding:12px;overflow:hidden;
  border:1px dashed var(--line-strong);border-radius:12px;background:rgba(var(--ink-rgb),.02);
  color:var(--dim);font-size:12.5px;text-align:center;
}
.studio-placeholder.is-pending{
  background:linear-gradient(100deg,rgba(var(--ink-rgb),.02) 30%,rgba(var(--purple-rgb),.1) 50%,rgba(var(--ink-rgb),.02) 70%);
  background-size:240% 100%;animation:studio-shimmer 1.9s linear infinite;
}
.studio-placeholder.is-failed{color:var(--red);border-color:rgba(var(--red-rgb),.28);background:rgba(var(--red-rgb),.05)}
.studio-elapsed{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--faint)}
@keyframes studio-shimmer{from{background-position:130% 0}to{background-position:-130% 0}}
@media (prefers-reduced-motion:reduce){.studio-placeholder.is-pending{animation:none}.studio-thumb,.studio-composer{transition:none}}

.studio-foot{display:flex;flex:1 1 280px;flex-direction:column;justify-content:space-between;gap:12px;min-width:0}
.studio-caption{min-width:0}
.studio-prompt{
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;
  font-size:13.5px;line-height:1.55;color:var(--text);overflow-wrap:anywhere;
}
.studio-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-top:7px;font-size:12px;color:var(--faint)}
.studio-meta .mono{min-width:0;overflow-wrap:anywhere}
.studio-dot{opacity:.6}
.studio-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.studio-actions .btn-gray{min-height:36px;padding:6px 14px;font-size:13px;white-space:nowrap}
.studio-actions .icon-btn{min-width:36px;min-height:36px}

/* ================= 大图查看器 ================= */
.studio-viewer{
  position:fixed;inset:0;z-index:160;height:100vh;height:100dvh;
  display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-template-rows:minmax(0,1fr);
  background:rgba(var(--side-rgb),.96);color:var(--text);
}
.studio-viewer-close{
  position:absolute;top:12px;right:12px;z-index:3;width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;color:var(--dim);background:rgba(var(--ink-rgb),.06);transition:.2s;
}
.studio-viewer-close:hover{color:var(--text);background:rgba(var(--ink-rgb),.12)}
.studio-viewer-close svg{width:20px;height:20px}
.studio-viewer-stage{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;padding:64px 76px}
.studio-viewer-media{display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-width:0;min-height:0}
.studio-viewer-media img,.studio-viewer-media video{display:block;max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;background:var(--bg-side)}
.studio-viewer-nav{
  position:absolute;top:50%;z-index:2;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--text);background:rgba(var(--ink-rgb),.08);transition:.2s;
}
.studio-viewer-nav:hover:not(:disabled){background:rgba(var(--ink-rgb),.16)}
.studio-viewer-nav:disabled{opacity:.25;cursor:default}
.studio-viewer-nav.is-prev{left:14px}
.studio-viewer-nav.is-next{right:14px}
.studio-viewer-nav svg{width:24px;height:24px}
.studio-viewer-info{display:flex;flex-direction:column;gap:16px;min-width:0;min-height:0;overflow-y:auto;padding:64px 22px 22px;background:var(--card);border-left:1px solid var(--line)}
.studio-viewer-count{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--faint)}
.studio-viewer-prompt{margin:0;font-size:14px;line-height:1.75;color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere;user-select:text}
.studio-viewer-meta{display:grid;gap:8px;margin:0}
.studio-viewer-meta div{display:flex;justify-content:space-between;gap:14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.studio-viewer-meta dt{flex:none;font-size:12.5px;color:var(--faint)}
.studio-viewer-meta dd{margin:0;font-size:13px;text-align:right;overflow-wrap:anywhere}
.studio-viewer-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.studio-viewer-actions .btn-gray,.studio-viewer-actions .btn-purple{justify-content:center;min-height:44px}
.studio-viewer-actions .btn-gray svg{width:16px;height:16px;flex:none}
.studio-viewer-actions > *{flex:1 1 auto}
.studio-viewer-actions [data-reuse]{flex:1 0 100%}

/* ================= 手机 ================= */
@media (max-width:720px){
  .studio-composer{padding:14px;border-radius:14px}
  .studio-textarea{font-size:16px}
  /* overflow-x:auto 也会裁掉纵向溢出：上下各留 4px，键盘焦点的 2px 外框（含 2px 偏移）才不会被切掉 */
  .studio-styles,.studio-params{flex-wrap:nowrap;overflow-x:auto;padding-top:4px;padding-bottom:4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .studio-styles::-webkit-scrollbar,.studio-params::-webkit-scrollbar{display:none}
  .studio-params{gap:14px 18px}
  .studio-params > *{flex:none}
  .studio-chip{min-height:36px}
  .studio-select{font-size:16px;min-height:44px}
  .studio-field-model .studio-select-wrap{width:176px}
  .studio-seg{min-height:44px}
  .studio-seg-btn{min-width:46px}
  .studio-footer{gap:12px}
  .studio-token{flex:1 1 0}
  .studio-token-field{width:100%}
  .studio-token-field .studio-select-wrap{flex:1;width:auto;min-width:0}
  .studio-cost{flex:1 1 0;text-align:right}
  .studio-submit{flex:0 0 100%;min-height:48px}

  .studio-feed{margin-top:26px}
  .studio-item{padding:12px}
  .studio-thumb{flex:0 0 calc(50% - 4px);height:auto;max-width:none}
  .studio-media.is-wide .studio-thumb{flex-basis:100%}
  .studio-placeholder{height:160px}
  .studio-item{flex-direction:column;flex-wrap:nowrap;gap:12px}
  .studio-foot{flex:none}
  .studio-actions .btn-gray{min-height:44px}
  .studio-actions .icon-btn{min-width:44px;min-height:44px}
  .studio-feed-head .btn-gray{min-height:44px}

  .studio-viewer{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto}
  .studio-viewer-stage{padding:60px 12px 12px}
  .studio-viewer-nav.is-prev{left:8px}
  .studio-viewer-nav.is-next{right:8px}
  .studio-viewer-info{max-height:52dvh;gap:12px;padding:16px 16px 0;border-left:0;border-top:1px solid var(--line)}
  .studio-viewer-actions{position:sticky;bottom:0;margin:0 -16px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}
  .studio-viewer-actions [data-reuse]{flex:1 1 auto}
}