/* ==========================================================================
   H3 创作台 —— 设计系统
   深色电影感：生成视频的工具，界面本身应该退到内容后面
   ========================================================================== */

:root{
  --bg:#0a0b0f;
  --surface:rgba(22,25,33,.72);
  --surface-2:rgba(30,34,44,.78);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --fg:#eceef4;
  --fg-dim:#9aa3b8;
  --fg-faint:#6b7488;
  --accent:#7c8cff;
  --accent-2:#3fd8d0;
  --ok:#41d17f;
  --warn:#f0b429;
  --err:#ff6b6b;
  --grad:linear-gradient(115deg,#7c8cff,#3fd8d0);
  --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:26px;
  --sh:0 8px 30px rgba(0,0,0,.35);
  --sh-lg:0 24px 70px rgba(0,0,0,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",
       "Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}
p{margin:.4em 0}
.hide{display:none !important}
.muted{color:var(--fg-dim)}
.tiny{font-size:12.5px}
em.muted{font-style:normal;font-weight:400}
.spacer{flex:1}
::selection{background:rgba(124,140,255,.35)}

/* ---------- 背景光晕 ---------- */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.aurora i{
  position:absolute;display:block;border-radius:50%;filter:blur(90px);opacity:.5;
  animation:drift 26s var(--ease) infinite alternate;
}
.aurora i:nth-child(1){width:52vw;height:52vw;left:-14vw;top:-16vw;
  background:radial-gradient(circle,#4b5cff,transparent 68%)}
.aurora i:nth-child(2){width:44vw;height:44vw;right:-12vw;top:6vh;
  background:radial-gradient(circle,#12b6ad,transparent 68%);animation-delay:-8s}
.aurora i:nth-child(3){width:40vw;height:40vw;left:26vw;bottom:-18vw;
  background:radial-gradient(circle,#8b3fd8,transparent 70%);animation-delay:-15s}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(4vw,-3vh,0) scale(1.18)}
}
@media (prefers-reduced-motion:reduce){.aurora i{animation:none}}

/* ---------- 卡片 / 基础件 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh);
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:12px}
.card-head h2{font-size:13px;text-transform:uppercase;letter-spacing:.09em;
  color:var(--fg-dim);font-weight:600}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.row.tight{gap:8px;align-items:center}
.grow{flex:1 1 180px}

.btn{
  font:inherit;font-weight:550;color:var(--fg);cursor:pointer;
  border:1px solid var(--line-strong);border-radius:var(--r);
  background:rgba(255,255,255,.04);padding:9px 16px;
  transition:all .18s var(--ease);white-space:nowrap;
}
.btn:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.28);
  transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.primary{background:var(--grad);border:none;color:#0a0b0f;font-weight:700}
.btn.primary:hover{box-shadow:0 8px 26px rgba(124,140,255,.4)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--fg-dim)}
.btn.ghost:hover{background:rgba(255,255,255,.07);color:var(--fg);transform:none}
.btn.sm{padding:5px 11px;font-size:13px;border-radius:var(--r-sm)}
/* 下载按钮是 <a> 而不是 <button>：去掉下划线并对齐，让它长得和旁边的按钮一样 */
a.btn{text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn.block{display:block;width:100%}
.btn.lg{padding:14px 20px;font-size:16px;border-radius:var(--r-lg);margin-top:18px}
.btn.danger{color:var(--err);border-color:rgba(255,107,107,.35)}
.btn.danger:hover{background:rgba(255,107,107,.12);border-color:var(--err)}

input,textarea,select{
  font:inherit;width:100%;color:var(--fg);background:rgba(0,0,0,.35);
  border:1px solid var(--line-strong);border-radius:var(--r);padding:10px 12px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
input:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(124,140,255,.18);
}
textarea{min-height:118px;resize:vertical;line-height:1.65}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,
  var(--fg-dim) 50%),linear-gradient(135deg,var(--fg-dim) 50%,transparent 50%);
  background-position:calc(100% - 18px) 51%,calc(100% - 13px) 51%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}
.field{display:block;margin-bottom:12px}
.field>span{display:block;font-size:12.5px;color:var(--fg-dim);margin-bottom:5px}
.field.sm{width:120px;flex:0 0 auto}
.field.sm input{text-align:center}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex;align-items:center;gap:18px;padding:12px 22px;
  background:rgba(10,11,15,.72);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;
  flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:9px;font-size:15px;letter-spacing:-.01em}
.logo{font-size:20px;filter:drop-shadow(0 2px 8px rgba(124,140,255,.5))}
.nav{display:flex;gap:2px;background:rgba(0,0,0,.3);padding:3px;border-radius:var(--r)}
.nav button{
  font:inherit;font-weight:550;border:none;background:transparent;color:var(--fg-dim);
  padding:6px 15px;border-radius:var(--r-sm);cursor:pointer;transition:all .18s var(--ease);
}
.nav button:hover{color:var(--fg)}
.nav button.on{background:rgba(255,255,255,.1);color:var(--fg)}
.quota{font-size:12.5px;color:var(--fg-dim);text-align:right;line-height:1.45}
.quota b{color:var(--fg);font-weight:600}
.quota .burst{color:var(--accent-2)}
.user{position:relative}
.user .btn{display:flex;align-items:center;gap:8px}
.avatar{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#0a0b0f;font-weight:800;font-size:12px;flex:0 0 auto;
}
.menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:170px;z-index:50;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);
  padding:5px;backdrop-filter:blur(20px);box-shadow:var(--sh-lg);
}
.menu button{
  display:block;width:100%;text-align:left;font:inherit;color:var(--fg);
  background:transparent;border:none;padding:9px 12px;border-radius:var(--r-sm);
  cursor:pointer;
}
.menu button:hover{background:rgba(255,255,255,.09)}

/* ---------- 布局 ---------- */
main{max-width:1320px;margin:0 auto;padding:24px 22px 80px}
.view{animation:fade .32s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.95fr);gap:20px}
@media(max-width:1000px){.layout{grid-template-columns:1fr}}
.col-side .card{position:sticky;top:84px}
@media(max-width:1000px){.col-side .card{position:static}}

/* ---------- 创作 ---------- */
.counter{font-size:12px;color:var(--fg-faint);font-variant-numeric:tabular-nums}
.presets{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.preset{
  text-align:left;cursor:pointer;padding:13px 15px;border-radius:var(--r);
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  transition:all .18s var(--ease);
}
.preset:hover{background:rgba(255,255,255,.07);transform:translateY(-2px)}
.preset.on{
  border-color:transparent;background:
    linear-gradient(rgba(20,24,34,.9),rgba(20,24,34,.9)) padding-box,
    var(--grad) border-box;border:1px solid transparent;
  box-shadow:0 8px 26px rgba(124,140,255,.22);
}
.preset .t{font-weight:650;margin-bottom:3px}
.preset .d{font-size:12px;color:var(--fg-dim)}
.preset .s{font-size:11.5px;color:var(--fg-faint);margin-top:5px;
  font-variant-numeric:tabular-nums}

.seg{display:inline-flex;gap:2px;background:rgba(0,0,0,.34);padding:3px;
  border-radius:var(--r);border:1px solid var(--line)}
.seg button{
  font:inherit;font-weight:550;border:none;background:transparent;color:var(--fg-dim);
  padding:7px 16px;border-radius:var(--r-sm);cursor:pointer;transition:all .18s var(--ease);
}
.seg button:hover{color:var(--fg)}
.seg button.on{background:rgba(255,255,255,.1);color:var(--fg)}
.seg.pills{display:flex;width:100%}
.seg.pills button{flex:1;text-align:center}

.adv{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.adv summary{cursor:pointer;color:var(--fg-dim);font-size:13px;font-weight:550;
  list-style:none;display:flex;align-items:center;gap:6px}
.adv summary::before{content:"▸";transition:transform .2s var(--ease)}
.adv[open] summary::before{transform:rotate(90deg)}
.adv .row{margin-top:14px}
.hint{font-size:12.5px;color:var(--fg-faint);margin-top:10px;min-height:1.4em}
.hint.err{color:var(--err)}

/* ---------- 任务卡 ---------- */
.stack{display:flex;flex-direction:column;gap:11px;max-height:70vh;overflow-y:auto;
  padding-right:3px}
.stack::-webkit-scrollbar{width:7px}
.stack::-webkit-scrollbar-thumb{background:rgba(255,255,255,.13);border-radius:4px}
.job{
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:rgba(0,0,0,.24);transition:border-color .18s var(--ease);
}
.job:hover{border-color:var(--line-strong)}
.job .thumb{display:block;width:100%;aspect-ratio:16/9;background:#05060a;
  object-fit:cover;cursor:pointer}
.job .ph{
  aspect-ratio:16/9;display:grid;place-items:center;gap:8px;background:#070810;
  text-align:center;padding:14px;position:relative;overflow:hidden;
}
.job .ph.running::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(124,140,255,.16),transparent);
  animation:shim 1.7s infinite;
}
@keyframes shim{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.job .bd{padding:12px 13px}
.job .pr{font-size:13.5px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;gap:5px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.tag{font-size:11px;color:var(--fg-dim);background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.tag.hl{color:#bfe9ff;border-color:rgba(63,216,208,.35);
  background:rgba(63,216,208,.09)}
.job-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;
  margin-top:9px;font-size:12px;color:var(--fg-faint)}
.st{font-weight:650;font-size:12.5px}
.st.queued{color:var(--warn)} .st.running{color:var(--accent)}
.st.succeeded{color:var(--ok)} .st.failed,.st.cancelled{color:var(--err)}

/* ---------- 画廊 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:16px}
.gitem{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),
             border-color .22s var(--ease);
}
.gitem:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);
  border-color:var(--line-strong)}
.gitem .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;
  background:#05060a;cursor:pointer}
.gitem .bd{padding:13px 15px}
.gitem .pr{font-size:13.5px;margin-bottom:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 表格 ---------- */
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:10px 11px;border-bottom:1px solid var(--line);
  white-space:nowrap}
th{color:var(--fg-dim);font-weight:550;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.06em}
tr:last-child td{border-bottom:none}
td.actions{text-align:right}
td.actions .btn{margin-left:5px}

/* ---------- 提示 / 空状态 ---------- */
.callout{
  margin-top:14px;padding:13px 15px;border-radius:var(--r);
  background:rgba(63,216,208,.09);border:1px solid rgba(63,216,208,.34);
}
.code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:19px;letter-spacing:.09em;color:#9ff5ee;user-select:all;word-break:break-all;
}
.empty{text-align:center;color:var(--fg-faint);padding:44px 18px;font-size:13.5px}
.empty .ico{font-size:34px;display:block;margin-bottom:10px;opacity:.55}

/* ---------- 认证 ---------- */
.auth{min-height:100dvh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:410px;padding:30px;animation:rise .45s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}
.brand-lg{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.brand-lg .logo{font-size:38px}
.brand-lg h1{font-size:21px}
.brand-lg p{margin:1px 0 0;font-size:13px}
#authTabs{width:100%;margin-bottom:20px}
#authTabs button{flex:1;text-align:center}
#authTabs{display:flex}

/* ---------- 轻提示 ---------- */
.toasts{position:fixed;right:20px;bottom:20px;z-index:100;display:flex;
  flex-direction:column;gap:9px;pointer-events:none}
.toast{
  padding:12px 16px;border-radius:var(--r);font-size:13.5px;max-width:400px;
  background:var(--surface-2);border:1px solid var(--line-strong);
  backdrop-filter:blur(20px);box-shadow:var(--sh-lg);
  animation:slidein .26s var(--ease);
}
@keyframes slidein{from{opacity:0;transform:translateX(26px)}to{opacity:1;transform:none}}
.toast.ok{border-color:rgba(65,209,127,.5)}
.toast.err{border-color:rgba(255,107,107,.55)}
.toast.warn{border-color:rgba(240,180,41,.5)}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:90;display:grid;place-items:center;
  background:rgba(4,5,9,.9);backdrop-filter:blur(10px);padding:28px;
  animation:fade .22s var(--ease);
}
.lb-body{width:min(1080px,100%);max-height:92dvh;overflow:auto}
.lb-body video{width:100%;border-radius:var(--r-lg);background:#000;
  box-shadow:var(--sh-lg)}
.lb-meta{margin-top:16px;color:var(--fg-dim);font-size:13.5px;line-height:1.7}
.lb-meta .pr{color:var(--fg);font-size:15px;margin-bottom:8px}
.lb-close{
  position:absolute;top:20px;right:24px;font-size:20px;width:42px;height:42px;
  border-radius:50%;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);color:var(--fg);cursor:pointer;
}
.lb-close:hover{background:rgba(255,255,255,.14)}

/* ---------- 无障碍 ---------- */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}