:root{
  --pink:#ec4899;--pink-d:#db2777;--pink-l:#f472b6;--pink-ll:#f9a8d4;--pink-lll:#fbcfe8;--pink-llll:#fce7f3;
  --pink-bg:#fdf2f8;--pink-bg2:#fce7f3;
  --ink:#3a1f33;--ink-2:#6b5563;--ink-3:#a89098;
  --line:#fbe3ee;--card:#fff;--bg:#fdf6fa;
  --green:#16a34a;--red:#dc2626;--amber:#d97706;
  --shadow:0 8px 28px rgba(236,72,153,.12);
  --shadow-sm:0 2px 12px rgba(58,31,51,.05);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;cursor:pointer}
.app{display:flex;min-height:100vh}

/* sidebar */
.sidebar{width:226px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:50}
.side-brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;padding:20px 18px 18px}
.brand-logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));display:grid;place-items:center;box-shadow:0 5px 14px rgba(236,72,153,.4)}
.side-nav{flex:1;padding:6px 12px;display:flex;flex-direction:column;gap:3px}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:11px;color:var(--ink-2);font-weight:600;font-size:14.5px;transition:.18s}
.nav-item:hover{background:var(--pink-bg)}
.nav-item.active{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;box-shadow:0 6px 16px rgba(236,72,153,.35)}
.ni-ico{font-size:17px}
.ni-tag{margin-left:auto;font-style:normal;font-size:9px;font-weight:800;background:var(--pink);color:#fff;padding:1px 6px;border-radius:7px}
.nav-item.active .ni-tag{background:rgba(255,255,255,.3)}
.side-foot{padding:16px 18px;border-top:1px solid var(--line)}
.back-home{font-size:13px;color:var(--ink-3)}.back-home:hover{color:var(--pink-d)}

/* main */
.main{flex:1;margin-left:226px;min-width:0}
.topbar{height:62px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 26px;position:sticky;top:0;z-index:40}
.hamburger{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.tb-title{font-size:19px;font-weight:800}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:18px}
.tb-credits{font-size:13px;color:var(--ink-2);background:var(--pink-bg);padding:6px 14px;border-radius:20px;font-weight:600}
.tb-credits b{color:var(--pink-d)}
.tb-user{display:flex;align-items:center;gap:8px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.u-name{font-size:13.5px;font-weight:600}
.content{padding:24px;max-width:1200px;margin:0 auto}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.mb16{margin-bottom:16px}

/* ===== 创作工作台 ===== */
.create-hero{text-align:center;padding:14px 0 22px}
.create-hero h1{font-size:26px;font-weight:900}
.create-hero h1 .grad{background:linear-gradient(90deg,var(--pink-d),var(--pink-l));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.create-hero p{color:var(--ink-3);font-size:14px;margin-top:6px}

.idea-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);max-width:820px;margin:0 auto}
.idea-input{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:16px;font-size:15.5px;font-family:inherit;resize:none;background:var(--pink-bg);line-height:1.6;transition:.2s}
.idea-input:focus{outline:none;border-color:var(--pink-l);background:#fff}
.idea-samples{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.sample-chip{background:var(--pink-bg);border:1px solid var(--line);border-radius:18px;padding:7px 14px;font-size:12.5px;cursor:pointer;color:var(--ink-2);transition:.18s}
.sample-chip:hover{border-color:var(--pink-l);color:var(--pink-d);background:#fff}
.idea-opts{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;align-items:flex-end}
.opt-group label{font-size:12px;color:var(--ink-3);display:block;margin-bottom:6px;font-weight:600}
.style-pills,.ratio-pills,.count-pills{display:flex;gap:6px;flex-wrap:wrap}
.pill{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink-2);transition:.16s;font-family:inherit}
.pill.on{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;border-color:transparent}
.gen-sb-btn{margin-left:auto;padding:14px 30px;border:none;border-radius:13px;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;font-size:15.5px;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(236,72,153,.4);transition:.2s;font-family:inherit}
.gen-sb-btn:hover{transform:translateY(-2px)}
.gen-sb-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* 进度步骤 */
.steps-bar{display:flex;align-items:center;justify-content:center;gap:8px;margin:26px 0 6px}
.step-dot{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);font-weight:600}
.step-dot .sd-num{width:24px;height:24px;border-radius:50%;background:var(--pink-bg2);color:var(--pink-d);display:grid;place-items:center;font-size:12px;font-weight:800}
.step-dot.on{color:var(--pink-d)}
.step-dot.on .sd-num{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff}
.step-line{width:40px;height:2px;background:var(--pink-lll)}

/* 故事概览 */
.story-overview{background:linear-gradient(135deg,#fff,var(--pink-bg));border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);margin:18px 0}
.so-title{font-size:22px;font-weight:900;color:var(--pink-d)}
.so-logline{font-size:14px;color:var(--ink-2);margin-top:6px;font-style:italic}
.so-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.so-tag{background:#fff;border:1px solid var(--line);border-radius:9px;padding:6px 12px;font-size:12.5px}
.so-tag b{color:var(--pink-d)}
.so-chars{margin-top:12px;font-size:13px;color:var(--ink-2)}
.so-chars .ch{display:inline-block;background:var(--pink-bg2);color:var(--pink-d);border-radius:8px;padding:3px 10px;margin:3px 4px 0 0;font-size:12px}

/* 分镜卡片 */
.sb-actions{display:flex;align-items:center;gap:12px;margin:18px 0}
.sb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.sb-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s}
.sb-card:hover{box-shadow:var(--shadow)}
.sbc-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(135deg,var(--pink-bg),var(--pink-bg2));border-bottom:1px solid var(--line)}
.sbc-no{font-weight:900;font-size:15px;color:var(--pink-d)}
.sbc-shot{font-size:11.5px;background:#fff;color:var(--pink-d);padding:3px 10px;border-radius:8px;font-weight:700;border:1px solid var(--line)}
.sbc-media{aspect-ratio:16/9;background:repeating-linear-gradient(45deg,#fdf2f8,#fdf2f8 12px,#fce7f3 12px,#fce7f3 24px);display:grid;place-items:center;position:relative;overflow:hidden}
.sbc-media.r916{aspect-ratio:9/16;max-height:340px;margin:0 auto;width:auto}
.sbc-media.r11{aspect-ratio:1/1}
.sbc-media img,.sbc-media video{width:100%;height:100%;object-fit:cover;display:block}
.sbc-placeholder{text-align:center;color:var(--ink-3);font-size:13px;padding:20px}
.sbc-placeholder .pico{font-size:32px;display:block;margin-bottom:8px;opacity:.5}
.sbc-body{padding:14px 16px}
.sbc-desc{font-size:13.5px;line-height:1.6;margin-bottom:8px}
.sbc-line{font-size:12.5px;color:var(--ink-2);margin:4px 0}
.sbc-line b{color:var(--ink);font-weight:600}
.sbc-prompt{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12px;font-family:inherit;resize:vertical;min-height:56px;background:var(--pink-bg);line-height:1.5;margin-top:8px;color:var(--ink-2)}
.sbc-prompt:focus{outline:none;border-color:var(--pink-l);background:#fff}
.sbc-btns{display:flex;gap:8px;margin-top:12px}
.mini-btn{flex:1;padding:9px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12.5px;font-weight:700;cursor:pointer;transition:.16s;font-family:inherit}
.mini-btn:hover{border-color:var(--pink-l);color:var(--pink-d)}
.mini-btn.img{background:linear-gradient(135deg,#a78bfa,#7c3aed);color:#fff;border:none}
.mini-btn.vid{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;border:none}
.mini-btn:disabled{opacity:.6;cursor:not-allowed}
.dl-btn{padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:12px;font-weight:600;cursor:pointer;margin-top:8px}

/* loading inside card */
.media-loading{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--pink-d);font-size:13px;padding:24px;text-align:center}
.spinner{width:34px;height:34px;border:3px solid var(--pink-lll);border-top-color:var(--pink);border-radius:50%;animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.media-loading .ml-sub{font-size:11px;color:var(--ink-3)}
.media-progress{width:80%;height:5px;background:var(--pink-lll);border-radius:4px;overflow:hidden;margin-top:4px}
.media-progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--pink-l),var(--pink-d));transition:width .4s}
.media-err{padding:18px;text-align:center;font-size:12px;color:var(--red)}
.fallback-note{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.55);color:#fff;font-size:10px;padding:2px 8px;border-radius:6px}

/* 成片合成 */
.compose-box{background:linear-gradient(135deg,#2a1530,#3a1f33);border-radius:var(--radius);padding:24px;color:#fff;text-align:center;margin-top:22px}
.compose-box h3{font-size:18px;margin-bottom:8px}
.compose-box p{color:#d8b8cc;font-size:13px;margin-bottom:16px}
.compose-btn{padding:13px 32px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 10px 24px rgba(236,72,153,.45)}
.film-strip{display:flex;gap:6px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.film-cell{width:64px;height:40px;border-radius:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);overflow:hidden}
.film-cell img{width:100%;height:100%;object-fit:cover}

/* toast */
.toast{position:fixed;top:74px;right:26px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 18px;box-shadow:var(--shadow);font-size:13.5px;z-index:200;animation:toastIn .3s;max-width:320px}
.toast.success{border-left:4px solid var(--green)}
.toast.error{border-left:4px solid var(--red)}
.toast.info{border-left:4px solid var(--pink)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* generic grids for other views */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.work-card,.char-card,.tpl-card2{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s}
.work-card:hover,.char-card:hover,.tpl-card2:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.work-img{height:140px;background-size:cover;background-position:center;position:relative;display:grid;place-items:center}
.work-play{width:46px;height:46px;border-radius:50%;border:none;background:rgba(255,255,255,.92);color:var(--pink-d);font-size:16px;cursor:pointer}
.work-dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.6);color:#fff;font-size:11px;padding:2px 8px;border-radius:6px}
.work-body{padding:14px}
.work-body h4{font-size:14.5px}
.work-meta{font-size:12px;color:var(--ink-3);margin-top:5px;display:flex;justify-content:space-between}
.badge{display:inline-block;padding:2px 9px;border-radius:7px;font-size:11px;font-weight:600;background:var(--pink-bg2);color:var(--pink-d)}
.b-green{background:#dcfce7;color:#15803d}.b-gray{background:#eef0f5;color:#64748b}

.char-card{padding:20px;text-align:center}
.char-emoji{width:72px;height:72px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,var(--pink-bg2),#fff);display:grid;place-items:center;font-size:36px;border:1px solid var(--line)}
.char-card h4{font-size:15.5px;margin-bottom:6px}
.char-card p{font-size:12px;color:var(--ink-2);line-height:1.6;min-height:48px}
.char-use{margin-top:12px;padding:8px 18px;border:none;border-radius:10px;background:var(--pink-bg);color:var(--pink-d);font-size:12.5px;font-weight:700;cursor:pointer}
.char-use:hover{background:var(--pink-l);color:#fff}

.tpl-card2 .tc-img{height:130px;background-size:cover;background-position:center}
.tpl-card2 .tc-body{padding:14px}
.tpl-card2 h4{font-size:15px;margin-bottom:8px}
.tc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tc-tag{font-size:10.5px;background:var(--pink-bg2);color:var(--pink-d);padding:2px 9px;border-radius:7px;font-weight:600}
.tc-use{width:100%;padding:9px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;font-weight:700;font-size:13px;cursor:pointer}

.view-head{margin-bottom:18px}
.view-head h2{font-size:20px;font-weight:900}
.view-head p{color:var(--ink-3);font-size:13.5px;margin-top:4px}

/* ===== AI 助手 ===== */
.ai-fab{position:fixed;right:26px;bottom:26px;width:58px;height:58px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;font-size:26px;cursor:pointer;box-shadow:0 10px 28px rgba(236,72,153,.5);z-index:60;transition:.2s}
.ai-fab:hover{transform:scale(1.08) rotate(8deg)}
.assistant-wrap{display:flex;flex-direction:column;height:calc(100vh - 62px - 48px);max-width:900px;margin:0 auto}
.chat-scroll{flex:1;overflow-y:auto;padding:8px 4px 16px;display:flex;flex-direction:column;gap:18px}
.chat-msg{display:flex;gap:12px;max-width:88%}
.chat-msg.user{align-self:flex-end;flex-direction:row-reverse}
.cm-avatar{width:36px;height:36px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;font-size:18px}
.cm-avatar.ai{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff}
.cm-avatar.me{background:#f3d7e6}
.cm-bubble{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:14.5px;line-height:1.75;box-shadow:var(--shadow-sm);overflow-wrap:anywhere}
.chat-msg.user .cm-bubble{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;border:none}
.chat-msg.user .cm-bubble *{color:#fff!important}
.cm-bubble h1{font-size:19px;margin:10px 0 8px;font-weight:800}
.cm-bubble h2{font-size:16.5px;margin:10px 0 7px;font-weight:800}
.cm-bubble h3{font-size:15px;margin:9px 0 6px;font-weight:800}
.cm-bubble p{margin:6px 0}
.cm-bubble ul,.cm-bubble ol{margin:6px 0 6px 22px}.cm-bubble li{margin:3px 0}
.cm-bubble strong{font-weight:800;color:var(--pink-d)}
.chat-msg.user .cm-bubble strong{color:#fff!important;text-decoration:underline}
.cm-bubble code{background:#fce7f3;padding:1px 6px;border-radius:5px;font-size:13px;font-family:Consolas,monospace;color:#be185d}
.cm-bubble pre{background:#3a1f33;color:#fce7f3;padding:14px;border-radius:10px;overflow-x:auto;margin:8px 0}
.cm-bubble pre code{background:none;color:#fce7f3;padding:0}
.cm-bubble blockquote{border-left:3px solid var(--pink-l);padding-left:12px;color:var(--ink-2);margin:8px 0}
.cm-bubble table{font-size:13px;margin:8px 0;border-collapse:collapse}
.cm-bubble th,.cm-bubble td{border:1px solid var(--line);padding:6px 10px}.cm-bubble th{background:var(--pink-bg)}
.cm-bubble a{color:var(--pink-d);text-decoration:underline}
.cm-bubble hr{border:none;border-top:1px solid var(--line);margin:10px 0}
.typing{display:inline-flex;gap:4px;align-items:center}
.typing i{width:7px;height:7px;background:var(--pink-l);border-radius:50%;animation:typing 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
.suggest-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.suggest-chip{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 15px;font-size:13px;cursor:pointer;transition:.18s;color:var(--ink-2)}
.suggest-chip:hover{border-color:var(--pink-l);color:var(--pink-d);background:var(--pink-bg)}
.chat-input{display:flex;gap:10px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.chat-input textarea{flex:1;border:none;resize:none;font-size:14.5px;font-family:inherit;line-height:1.5;max-height:120px;background:none}
.chat-input textarea:focus{outline:none}
.send-btn{width:42px;height:42px;border-radius:11px;border:none;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;font-size:18px;cursor:pointer;align-self:flex-end;transition:.18s}
.send-btn:hover{transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed}
.ai-hero{text-align:center;padding:24px 0 14px}
.ai-hero .big{font-size:24px;font-weight:900}
.ai-hero .sub{color:var(--ink-3);font-size:14px;margin-top:6px}
.ai-hero .ai-logo{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,var(--pink-l),var(--pink-d));display:grid;place-items:center;font-size:32px;margin:0 auto 14px;box-shadow:0 10px 26px rgba(236,72,153,.45)}
.ai-drawer{position:fixed;right:26px;bottom:96px;width:400px;max-width:calc(100vw - 40px);height:560px;max-height:calc(100vh - 130px);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(58,31,51,.22);z-index:61;display:none;flex-direction:column;overflow:hidden}
.ai-drawer.open{display:flex;animation:slideUp .25s}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.drawer-head{background:linear-gradient(135deg,var(--pink-l),var(--pink-d));color:#fff;padding:14px 18px;display:flex;align-items:center;gap:10px;font-weight:800}
.drawer-head .dh-close{margin-left:auto;cursor:pointer;font-size:20px;opacity:.9}
.drawer-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}
.drawer-foot{padding:10px;border-top:1px solid var(--line)}
.drawer-foot .chat-input{box-shadow:none;border-radius:13px}

.fade-in{animation:fadeIn .4s}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media(max-width:880px){
  .sidebar{transform:translateX(-100%);transition:.25s;box-shadow:0 0 40px rgba(0,0,0,.2)}
  .sidebar.open{transform:none}
  .main{margin-left:0}.hamburger{display:block}
  .u-name{display:none}
  .idea-opts{flex-direction:column;align-items:stretch}.gen-sb-btn{margin-left:0;width:100%}
}
@media(max-width:520px){
  .content{padding:16px}.ai-drawer{right:10px;left:10px;width:auto}
  .sb-grid{grid-template-columns:1fr}
}