:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#171d2a;background:#f7f8fb;--line:#dbe2ed;--muted:#7a8494;--blue:#286be6;--blue-soft:#eef4ff;--surface:#fff;--shadow:0 14px 42px rgba(30,48,86,.055)}
*{box-sizing:border-box}html{min-width:0}body{margin:0;min-width:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.topbar{height:78px;border-bottom:1px solid var(--line);background:var(--surface);display:flex;align-items:center;padding:0 clamp(20px,4vw,62px);gap:18px;position:relative;z-index:5}.brand,.login-brand{display:inline-flex;align-items:center;gap:11px;color:#161c28;text-decoration:none;font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:28px;font-weight:700;white-space:nowrap}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border:2px solid #1b2941;border-radius:8px;font-family:"Songti SC",serif;font-size:20px;line-height:1}.brand-subtitle{color:var(--muted);font-size:13px}.top-actions{margin-left:auto;display:flex;align-items:center;gap:16px;position:relative}.status-pill{display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap}.status-dot{width:8px;height:8px;border-radius:50%;background:#18b689}.offline .status-dot{background:#e37972}.icon-button{border:0;background:transparent;color:#344055;min-width:38px;height:38px;font-size:22px;border-radius:8px;display:grid;place-items:center}.icon-button:hover,.action-button:hover{background:#f0f4fb}.menu{position:absolute;top:44px;right:0;z-index:8;background:#fff;border:1px solid var(--line);padding:6px;border-radius:10px;box-shadow:var(--shadow);min-width:132px}.menu button{background:none;border:0;padding:10px 12px;width:100%;text-align:left;border-radius:6px}.menu button:hover{background:#f3f6fb}
.shell{max-width:1460px;margin:auto;padding:24px clamp(16px,3vw,42px) 60px;display:grid;grid-template-columns:minmax(380px,.82fr) minmax(0,1.18fr);align-items:start;gap:14px}.composer,.gallery{background:var(--surface);border:1px solid #e5e9f0;border-radius:14px;box-shadow:var(--shadow);min-width:0}.composer{padding:20px}.gallery{padding:20px}.mode-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:4px;background:#f2f5fa;border:1px solid #e0e6f1;border-radius:9px;gap:3px}.mode-tab{height:42px;border:0;border-radius:7px;background:transparent;color:#343e50;font-size:15px;font-weight:650}.mode-tab.selected{background:var(--blue);color:#fff;box-shadow:0 2px 5px rgba(31,86,183,.18)}.mode-description{font-size:12px;color:var(--muted);margin:11px 1px 20px}.field-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;font-weight:680;margin-bottom:10px}.field-heading label{font-weight:680}.muted,.counter{font-weight:400;color:var(--muted);font-size:12px}.composer textarea,.seed-row input,.login-card input{border:1px solid #d3dce9;border-radius:8px;background:#fff;color:#172033;outline:none;transition:border-color .18s,box-shadow .18s}.composer textarea:focus,.seed-row input:focus,.login-card input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(40,107,230,.11)}#prompt{width:100%;height:138px;resize:vertical;padding:13px 14px;line-height:1.6;font-size:14px}textarea::placeholder,input::placeholder{color:#9aa5b3}.upload-section{margin-top:20px}.dropzone{min-height:118px;border:1.5px dashed #b9c9e1;background:#fbfcff;border-radius:9px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:5px;padding:12px;color:#344154;cursor:pointer}.dropzone.dragging,.dropzone:focus{border-color:var(--blue);background:var(--blue-soft);outline:0}.dropzone strong{font-size:13px;font-weight:600}.dropzone small,.help-text{font-size:11px;color:var(--muted)}.upload-icon{font-size:27px;line-height:1;color:var(--blue)}.upload-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.upload-list:empty{display:none}.upload-item{display:flex;align-items:center;gap:7px;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:4px 6px 4px 4px;background:#fff}.upload-item img{width:42px;height:42px;object-fit:cover;border-radius:5px}.upload-item span{font-size:11px;max-width:116px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-item button{border:0;background:transparent;color:#8d3f45;font-size:18px}.help-text{margin:8px 1px 0;line-height:1.4}.negative-details{margin-top:16px;border-bottom:1px solid var(--line);padding-bottom:16px}.negative-details summary,.advanced-details summary{list-style:none;cursor:pointer;color:#445066;font-size:13px;font-weight:600}.negative-details summary::-webkit-details-marker,.advanced-details summary::-webkit-details-marker{display:none}.negative-details summary span{float:right;color:var(--muted);font-weight:400}.negative-details textarea{width:100%;min-height:74px;resize:vertical;margin-top:12px;padding:10px;font-size:13px}.control-block{margin-top:21px}.ratio-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}.ratio-option{height:67px;min-width:0;border:1px solid var(--line);border-radius:8px;background:#fff;color:#293548;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font-size:11px}.ratio-option span:last-child{font-weight:700;line-height:1.05}.ratio-option small{display:block;color:var(--muted);font-weight:400;margin-top:3px;font-size:10px}.ratio-option.selected,.quality-option.selected{border-color:var(--blue);color:#145acb;background:#f7faff;box-shadow:inset 0 0 0 1px rgba(40,107,230,.12)}.shape{display:block;border:1.8px solid currentColor;border-radius:2px;width:17px;height:17px}.shape.portrait{width:12px;height:18px}.shape.portrait-wide{width:14px;height:18px}.shape.landscape{width:19px;height:12px}.shape.landscape-tall{width:19px;height:14px}.quality-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.quality-option{height:40px;min-width:0;border:1px solid var(--line);border-radius:7px;background:#fff;color:#293548;font-weight:650;font-size:13px}.advanced-details{margin-top:23px;border-top:1px solid var(--line);padding-top:17px}.advanced-details summary{display:flex;justify-content:space-between}.advanced-content{padding:18px 0 2px}.advanced-content input[type=range]{width:100%;accent-color:var(--blue)}.seed-label{margin-top:18px}.seed-row{display:flex;gap:8px}.seed-row input{height:40px;min-width:0;flex:1;padding:0 12px}.secondary-button{border:1px solid var(--line);border-radius:7px;background:#f8faff;color:#24334e;padding:0 14px}.generate-button{height:48px;width:100%;margin-top:23px;border:0;border-radius:8px;background:var(--blue);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;gap:10px}.generate-button:hover:not(:disabled){background:#155bd2}.generate-button span:first-child{font-size:23px;font-weight:400;line-height:1}.job-card{margin-top:16px;padding:14px;border:1px solid #c9d9f3;background:#f6f9ff;border-radius:8px}.job-head{display:flex;justify-content:space-between;font-size:13px}.progress-track{height:4px;border-radius:4px;background:#d8e5fb;overflow:hidden;margin:12px 0}.progress-track span{display:block;width:40%;height:100%;background:var(--blue);animation:load 1.8s infinite alternate}.job-card p{font-size:12px;color:#64718b;margin:0}.cancel-button{margin-top:9px;padding:0;background:none;border:0;color:#b03939;font-size:12px}@keyframes load{to{transform:translateX(150%)}}
.gallery-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.gallery-heading h2{font-size:17px;margin:0;font-weight:700}.preview-frame{width:100%;aspect-ratio:4/3;min-height:260px;border-radius:8px;background:#f1f3f7;overflow:hidden;display:grid;place-items:center}.preview-frame img{width:100%;height:100%;object-fit:contain}.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;color:#8b95a5;text-align:center}.empty-state span{font-size:50px;line-height:1;font-weight:200}.empty-state strong{font-size:15px;color:#677386}.empty-state small{font-size:12px}.preview-meta{padding-top:14px}.preview-meta p{font-size:13px;color:#293548;line-height:1.55;margin:0 0 5px;word-break:break-word}.preview-meta>span{font-size:11px;color:var(--muted)}.preview-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px}.action-button{height:39px;border:1px solid var(--line);border-radius:7px;background:#fff;color:#344158;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px}.action-button.danger{color:#a94b4b}.recent-wrap{border-top:1px solid var(--line);padding-top:17px;margin-top:18px}.recent-strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}.recent-item{height:84px;min-width:84px;padding:0;border:2px solid transparent;border-radius:7px;overflow:hidden;background:#e8ecf2}.recent-item.selected{border-color:var(--blue)}.recent-item img{width:100%;height:100%;object-fit:cover}.recent-empty{font-size:12px;color:var(--muted);padding:12px 0}.toast{position:fixed;z-index:50;left:50%;bottom:22px;transform:translate(-50%,10px);background:#202b3f;color:#fff;border-radius:8px;padding:11px 15px;font-size:12px;max-width:calc(100vw - 32px);opacity:0;pointer-events:none;transition:.2s;text-align:center;box-shadow:0 8px 25px #19243d33}.toast.show{opacity:1;transform:translate(-50%,0)}
.login-screen{position:fixed;inset:0;z-index:20;background:#f5f7fb;display:grid;place-items:center;padding:20px}.login-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:34px;width:min(410px,100%)}.login-brand{font-size:27px}.login-card h2{font-size:25px;margin:30px 0 6px}.login-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 24px}.login-card label{display:block;font-size:13px;font-weight:650;margin-bottom:8px}.login-card input{width:100%;height:44px;padding:0 12px}.login-card .generate-button{margin-top:15px}.login-card>small{display:block;text-align:center;color:var(--muted);font-size:11px;margin-top:21px}
@media(max-width:900px){.shell{grid-template-columns:1fr;max-width:690px}.preview-frame{aspect-ratio:1/1}}
@media(max-width:600px){.topbar{height:62px;padding:0 16px;gap:9px}.brand{font-size:22px}.brand-mark{width:28px;height:28px;font-size:17px}.brand-subtitle{display:none}.top-actions{gap:8px}.status-pill{font-size:12px}.shell{padding:12px 10px calc(36px + env(safe-area-inset-bottom));gap:12px}.composer,.gallery{padding:15px;border-radius:11px}.mode-tab{font-size:13px;height:39px}.mode-description{margin-bottom:16px}.ratio-grid{gap:5px}.ratio-option{height:61px;font-size:10px}.ratio-option small{font-size:9px}.quality-grid{gap:6px}.quality-option{height:43px;font-size:13px}.preview-frame{min-height:220px}.preview-actions{gap:5px}.action-button{font-size:12px}.recent-item{height:70px;min-width:70px}.toast{bottom:calc(14px + env(safe-area-inset-bottom))}}
@media(max-width:360px){.composer,.gallery{padding:12px}.ratio-option{height:58px}.ratio-option small{font-size:8px}.action-button span{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.advanced-details[open] summary span{transform:rotate(180deg)}
/* Match the preview canvas to each work; keep the image out of grid sizing. */
.preview-frame{aspect-ratio:var(--preview-ratio,4/3);min-height:0;position:relative;display:flex;align-items:center;justify-content:center}
.preview-frame img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain}
.theme-button{font-size:23px;line-height:1}
@media(max-width:900px){.preview-frame{aspect-ratio:var(--preview-ratio,4/3);min-height:0}}
.lora-heading{margin-top:22px}
#loraPreset{display:block;width:100%;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:inherit;outline:none}
#loraPreset:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(40,107,230,.11)}
.lora-strength-heading{margin-top:17px}
#loraStrength{width:100%;accent-color:var(--blue)}