:root{color:#17202a;background:#eef2f6;font-family:SF Pro Text,SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: #eef2f6;--surface: #ffffff;--surface-2: #f7f9fc;--surface-3: #edf2f7;--line: #d9e0e8;--line-strong: #c5ced9;--text: #17202a;--muted: #6a7380;--muted-2: #8993a1;--accent: #2563eb;--accent-2: #0f766e;--danger: #b42318;--shadow: 0 18px 45px rgba(21, 32, 43, .08)}*{box-sizing:border-box}body{margin:0;min-width:1060px;min-height:720px;overflow:hidden;background:radial-gradient(circle at 18% 8%,rgba(37,99,235,.08),transparent 28%),linear-gradient(180deg,#f8fafc 0%,var(--bg) 100%)}button,input,select,textarea,nav,.panel,.auth-panel,.status-card,.account-pill,.mode-pill,.result-actions{-webkit-app-region:no-drag}button,input,select,textarea{font:inherit}button{-webkit-user-select:none;user-select:none}button:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);height:100vh;overflow:hidden}.sidebar{height:100vh;min-height:0;overflow:hidden;padding:22px 14px;border-right:1px solid rgba(197,206,217,.7);background:#f7f9fcd1;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;flex-direction:column;gap:22px;-webkit-app-region:drag}.brand{display:flex;align-items:center;gap:12px;padding:8px;-webkit-app-region:drag}.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:#111827;color:#fff;border-radius:8px;box-shadow:0 10px 24px #1118272e}.brand strong,.brand span{display:block}.brand strong{font-size:14px;line-height:1.2;letter-spacing:0}.brand span{margin-top:3px;color:var(--muted);font-size:12px}nav{display:grid;gap:4px}nav button,.secondary,.result-actions button,.image-card button{border:0;background:transparent;color:#344054;display:inline-flex;align-items:center;gap:10px;min-height:40px;padding:9px 11px;border-radius:8px;cursor:pointer;transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}nav button:hover,.secondary:hover,.result-actions button:hover,.image-card button:hover{background:#e8edf4}nav button.active{background:#fff;color:var(--accent);box-shadow:0 8px 22px #202a3714}.status-card{margin-top:auto;padding:14px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 30px #15202b0d}.status-card span,.eyebrow,.hint,.section-kicker{color:var(--muted);font-size:12px}.status-card strong{display:block;margin:5px 0 8px}.status-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.45;overflow-wrap:anywhere}.workspace{height:100vh;min-height:0;overflow:hidden;padding:26px 30px 36px;position:relative;display:flex;flex-direction:column}.topbar{flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;-webkit-app-region:drag}.eyebrow{margin:0 0 6px;text-transform:uppercase;letter-spacing:.08em}h1{margin:0;font-size:30px;line-height:1.1;letter-spacing:0}.account-pill,.mode-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#ffffffd1;border-radius:999px;min-height:34px;padding:0 12px;color:#344054;font-size:13px;white-space:nowrap;max-width:100%}.account-pill span{min-width:0;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.auth-panel{flex:0 0 auto;display:grid;grid-template-columns:1fr 220px 180px auto;align-items:center;gap:10px;padding:14px;margin-bottom:16px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.auth-panel strong,.auth-panel span{display:block}.auth-panel span{margin-top:3px;color:var(--muted);font-size:12px}.auth-panel button{min-height:40px;border:0;border-radius:8px;padding:0 14px;background:#111827;color:#fff;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.auth-panel button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 24px #1118272e}.auth-panel button:disabled{opacity:.5;cursor:not-allowed}.studio-grid{flex:1 1 auto;min-height:0;overflow:hidden;display:grid;grid-template-columns:minmax(400px,.95fr) minmax(440px,1.05fr);gap:18px;align-items:start}.panel{background:#fffffff0;border:1px solid var(--line);border-radius:8px;padding:18px;box-shadow:var(--shadow)}.generator,.preview{height:100%;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.generator::-webkit-scrollbar,.preview::-webkit-scrollbar,.settings-panel::-webkit-scrollbar,.developer-panel::-webkit-scrollbar{width:10px}.generator::-webkit-scrollbar-thumb,.preview::-webkit-scrollbar-thumb,.settings-panel::-webkit-scrollbar-thumb,.developer-panel::-webkit-scrollbar-thumb{background:#cbd5e1;border:3px solid transparent;border-radius:999px;background-clip:content-box}.generator{display:flex;flex-direction:column}.panel-heading{display:flex;align-items:center;gap:9px;margin-bottom:14px;color:#263241;font-weight:700}.panel-heading.split{justify-content:space-between;align-items:flex-start}.panel-heading strong{display:block;margin-top:2px;font-size:16px}.section-kicker{display:block;text-transform:uppercase;letter-spacing:.08em}textarea,input,select{width:100%;border:1px solid var(--line-strong);background:#fff;color:var(--text);border-radius:8px;outline:none;transition:border .15s ease,box-shadow .15s ease,background .15s ease}textarea:focus,input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 4px #2563eb21}.prompt-shell{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}textarea{height:304px;resize:vertical;padding:14px;line-height:1.55}.prompt-shell textarea{border:0;border-radius:0;min-height:316px;background:linear-gradient(180deg,#fff,#fbfdff)}.prompt-shell textarea:focus{box-shadow:none}.prompt-footer{min-height:34px;padding:0 12px;border-top:1px solid var(--line);background:var(--surface-2);color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:12px}.prompt-footer span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.prompt-footer span:last-child{text-align:right}textarea.token-pool{height:112px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:12px}input,select{min-height:40px;padding:0 11px}.control-row,.control-group{display:grid;grid-template-columns:1fr;gap:12px;margin:14px 0}.control-group{align-items:stretch}.computed-size{min-height:40px;padding:8px 12px;border:1px solid var(--line);background:var(--surface-2);border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:12px}.computed-size span{color:var(--muted);font-size:12px}.computed-size strong{color:var(--text);font-size:13px;font-family:SF Mono,ui-monospace,Menlo,monospace;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}label{display:grid;gap:7px;color:#4b5563;font-size:13px;font-weight:650}.segmented,.chip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:4px;border:1px solid var(--line);background:var(--surface-3);border-radius:8px}.chip-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:12px}.segmented button,.chip-grid button{min-height:34px;border:0;border-radius:7px;color:#4b5563;background:transparent;cursor:pointer;font-size:12px;white-space:nowrap;line-height:1.2;min-width:0;overflow:hidden;text-overflow:ellipsis;transition:background .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.segmented button:hover,.chip-grid button:hover{background:#ffffffb8}.segmented button.selected,.chip-grid button.selected{color:#fff;background:var(--accent);box-shadow:0 8px 18px #2563eb33}.primary{min-height:44px;border:0;border-radius:8px;padding:0 18px;background:#111827;color:#fff;font-weight:760;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 30px #1118272e}.primary:disabled{opacity:.45;cursor:not-allowed}.generate-button{width:100%;min-height:48px;margin-top:2px}.advanced-toggle{width:100%;border:1px solid var(--line);background:#fff;color:#344054;min-height:40px;border-radius:8px;padding:0 12px;margin:2px 0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:background .15s ease,border .15s ease}.advanced-toggle[aria-expanded=true]{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.advanced-toggle:hover{background:var(--surface-2);border-color:var(--line-strong)}.rotated{transform:rotate(180deg)}.advanced-region{display:grid;grid-template-rows:0fr;opacity:0;transform:translateY(-4px);transition:grid-template-rows .19s ease,opacity .15s ease,transform .19s ease;pointer-events:none}.advanced-region.open{grid-template-rows:1fr;opacity:1;transform:translateY(0);pointer-events:auto}.advanced-box{min-height:0;overflow:hidden;border:1px solid var(--line);background:var(--surface-2);border-radius:8px;padding:14px;margin:0 0 14px}.advanced-region:not(.open) .advanced-box{padding-top:0;padding-bottom:0;border-width:0}.advanced-box .control-row{margin-top:0}.preview-frame{min-height:420px;height:min(60vh,620px);display:grid;place-items:center;background:linear-gradient(45deg,rgba(148,163,184,.12) 25%,transparent 25%),linear-gradient(-45deg,rgba(148,163,184,.12) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(148,163,184,.12) 75%),linear-gradient(-45deg,transparent 75%,rgba(148,163,184,.12) 75%),#f8fafc;background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;color:var(--muted);position:relative}.preview-frame img{width:100%;height:100%;max-height:620px;object-fit:contain;display:block}.preview-frame.loading img{filter:saturate(.75) brightness(.92)}.loading-layer{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:10px;background:#f8fafcb8;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#344054;font-weight:650}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-actions{display:flex;gap:10px;margin-top:12px}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.image-card{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.image-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.image-card img{width:100%;aspect-ratio:4 / 3;object-fit:cover;display:block;background:var(--surface-3)}.image-card div{padding:12px}.image-card p{min-height:54px;max-height:54px;overflow:hidden;color:var(--muted);font-size:12px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.settings-panel,.developer-panel{max-width:860px;display:grid;gap:16px;overflow:auto;min-height:0}.settings-block{display:grid;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}.compact-heading{padding:0;border-bottom:0}.inline-button{min-height:34px;padding:6px 10px}.secondary{border:1px solid var(--line);justify-content:center;width:fit-content;background:#fff}.developer-panel h2{margin:4px 0 0;font-size:18px}pre{overflow:auto;margin:0;padding:16px;background:#111827;color:#e5edf7;border-radius:8px;line-height:1.45;font-size:12px}.toast{position:fixed;left:auto;right:30px;bottom:24px;width:min(460px,calc(100vw - 304px));max-height:108px;padding:12px 14px;background:#111827;color:#fff;border-radius:8px;box-shadow:0 18px 45px #11182738;line-height:1.45;overflow:auto;overflow-wrap:anywhere;z-index:20}.empty{color:var(--muted)}