:root{--bg:#0b0d12;--panel:#141820;--panel2:#191f2a;--text:#f4f6fb;--muted:#8d97a8;--line:#283140;--brand:#ffffff;--accent:#3b82f6;--danger:#ef4444}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,select,textarea,input{font:inherit}button{cursor:pointer;border:0}select,textarea,input{width:100%;border:1px solid var(--line);background:#0f131a;color:var(--text);border-radius:12px;padding:12px;outline:none}select:focus,textarea:focus,input:focus{border-color:#5b6575}textarea{min-height:120px;resize:vertical}label{display:grid;gap:8px;color:var(--muted);font-size:13px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{padding:20px;border-right:1px solid var(--line);background:#0c0f15;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.brand strong{display:block}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.logo{width:44px;height:44px;border-radius:14px;background:#05070d;border:1px solid #243a5c;display:grid;place-items:center;overflow:hidden;box-shadow:0 0 18px rgba(59,130,246,.25)}.logo img{width:100%;height:100%;object-fit:cover;display:block}.nav{width:100%;background:transparent;color:var(--muted);text-align:left;padding:12px 14px;border-radius:12px;margin:4px 0}.nav.active,.nav:hover{background:var(--panel);color:var(--text)}.main{padding:24px;min-width:0}.panel{display:none}.panel.active{display:block}.page-head{margin:0 0 18px}.compact-head{margin-bottom:12px}.page-head p{margin:0 0 6px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;font-size:12px}.page-head h1{margin:0;font-size:30px;letter-spacing:-.03em}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.grid.two{display:grid;grid-template-columns:minmax(320px,460px) 1fr;gap:18px}.image-grid{align-items:start}.form-card{display:grid;gap:16px}.image-form{gap:12px}.mini-controls{display:grid;grid-template-columns:1.4fr .9fr .8fr .8fr;gap:8px}.mini-controls label{font-size:11px;gap:5px}.mini-controls select{padding:9px 10px;border-radius:10px;font-size:12px}.prompt-label textarea{min-height:155px;font-size:15px;line-height:1.55}.bottom-controls{display:grid;grid-template-columns:1fr 150px;gap:10px;align-items:end}.row2,.advanced-line{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hidden-select{display:none}.primary,button[type=submit],#addChatProvider,#addImageProvider,#newChatBtn,.provider-row .remove{background:#fff;color:#090b10;border-radius:12px;padding:12px 16px;font-weight:700}#newChatBtn,#addChatProvider,#addImageProvider,.provider-row .remove{background:#222936;color:var(--text);font-weight:600}.hint{color:var(--muted);font-size:13px;margin:0}.hint.slim{font-size:12px;line-height:1.45}.image-result{min-height:520px;display:grid;place-items:center;text-align:center;color:var(--muted)}.image-result img{max-width:100%;max-height:70vh;border-radius:16px;display:block;border:1px solid var(--line);background:#0f131a}.generated-link{display:block}.result-meta{margin-top:12px;display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:13px}.result-meta strong{color:var(--text)}.result-meta a{color:var(--text)}.empty{padding:28px;border:1px dashed var(--line);border-radius:16px;width:100%}.empty.error,.error-text{color:var(--danger)}.loading{display:grid;gap:10px;justify-items:center}.loading span{width:28px;height:28px;border-radius:50%;border:3px solid #293241;border-top-color:#fff;animation:spin 1s linear infinite}.progressbar{width:min(220px,70vw);height:4px;border-radius:99px;background:#293241;overflow:hidden}.progressbar i{display:block;width:40%;height:100%;border-radius:99px;background:#fff;animation:bar 1.4s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bar{0%{transform:translateX(-110%)}100%{transform:translateX(260%)}}.chat-layout{display:grid;grid-template-columns:280px 1fr;gap:18px}.split{display:flex;align-items:center;justify-content:space-between;gap:12px}.split h3,.section-title h3,.tips h3{margin:0}.history-list{display:grid;gap:8px;margin-top:12px}.history-item{background:#0f131a;color:var(--text);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:left}.history-item small{display:block;color:var(--muted);margin-top:4px}.chat-main{display:grid;gap:14px}.toolbar{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.messages{height:48vh;overflow:auto;display:flex;flex-direction:column;gap:10px;padding:4px}.msg{max-width:82%;padding:12px 14px;border-radius:16px;line-height:1.55;white-space:pre-wrap}.msg.user{align-self:flex-end;background:#fff;color:#000}.msg.assistant{align-self:flex-start;background:var(--panel2);border:1px solid var(--line)}.composer{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:12px}.composer textarea{border:0;background:transparent;min-height:86px;padding:8px}.composer-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.drop{min-height:160px;border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;text-align:center}.drop input{display:none}.file-list{display:grid;gap:10px;margin-top:14px}.file{background:#0f131a;border:1px solid var(--line);border-radius:12px;padding:12px}.file small{display:block;color:var(--muted);margin-top:4px}pre{white-space:pre-wrap;word-break:break-word;background:#0f131a;border:1px solid var(--line);border-radius:12px;padding:12px;color:var(--muted);max-height:340px;overflow:auto}.settings-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px}.section-title{display:flex;justify-content:space-between;gap:14px;align-items:end;border-top:1px solid var(--line);padding-top:18px}.section-title:first-child{border-top:0;padding-top:0}.section-title span{color:var(--muted);font-size:13px}.provider-row{display:grid;grid-template-columns:1fr 1.3fr 1fr 1fr auto auto;gap:10px;align-items:end;margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:14px;background:#0f131a}.provider-row .default{display:flex;align-items:center;gap:6px}.provider-row .default input{width:auto}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:#0f131a;color:var(--text);border:1px solid var(--line);border-radius:999px;padding:8px 10px;font-size:12px}.debug-line{display:grid;gap:4px;margin:8px 0}.debug-line span{color:var(--muted);font-size:12px}.debug-line code{font-size:12px;word-break:break-all;color:var(--text)}
@media(max-width:900px){.shell{display:block}.sidebar{position:sticky;top:0;height:auto;z-index:10;display:grid;grid-template-columns:1fr repeat(4,auto);gap:6px;align-items:center;padding:10px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0}.brand .logo{width:36px;height:36px;border-radius:12px}.brand strong{font-size:14px}.brand span{font-size:11px}.nav{padding:9px 10px;margin:0;text-align:center}.main{padding:12px}.page-head h1{font-size:24px}.grid.two,.chat-layout,.settings-layout{grid-template-columns:1fr}.history-card{display:none}.toolbar,.provider-row{grid-template-columns:1fr}.mini-controls{grid-template-columns:1fr 1fr}.bottom-controls{grid-template-columns:1fr 128px}.row2,.advanced-line{grid-template-columns:1fr 1fr}.card{border-radius:16px;padding:13px}.image-result{min-height:340px}.prompt-label textarea{min-height:135px}.composer-row{align-items:stretch}.composer-row button{min-width:96px}.msg{max-width:94%}}