:root{--c-bg: #0c0e14;--c-bg-panel: #12151e;--c-bg-card: #1a1e2e;--c-bg-input: #1e2235;--c-bg-hover: #252a3d;--c-border: rgba(255, 255, 255, .06);--c-border-focus: rgba(255, 138, 40, .5);--c-text: #e8e9ed;--c-text-dim: #8b8fa5;--c-text-hint: #5a5f75;--c-primary: #ff8a28;--c-primary-glow: rgba(255, 138, 40, .2);--c-primary-hover: #ff9d4d;--c-primary-dark: #e07020;--c-secondary: #6366f1;--c-secondary-glow: rgba(99, 102, 241, .15);--c-accent: #f472b6;--c-success: #34d399;--c-warning: #fbbf24;--c-error: #f87171;--header-h: 56px;--sidebar-w: 320px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--font: "Noto Sans TC", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--ease: cubic-bezier(.4, 0, .2, 1);--duration: .2s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);min-height:100vh;overflow-x:hidden;line-height:1.6}.bg-gradient{position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse 80% 60% at 10% 20%,rgba(255,138,40,.06) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 90% 80%,rgba(99,102,241,.05) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 50% 50%,rgba(244,114,182,.03) 0%,transparent 60%);animation:bgShift 20s ease-in-out infinite alternate}@keyframes bgShift{0%{opacity:1}50%{opacity:.7}to{opacity:1}}#app{display:flex;flex-direction:column;height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding:0 24px;background:#12151ed9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--c-border);z-index:50;flex-shrink:0}.header-left{display:flex;align-items:center;gap:16px}.header-right,.logo{display:flex;align-items:center;gap:8px}.logo-icon{width:32px;height:32px;animation:flicker 3s ease-in-out infinite}@keyframes flicker{0%,to{opacity:1;transform:scale(1)}50%{opacity:.85;transform:scale(1.05)}}.logo-text{font-size:1.3rem;font-weight:800;color:var(--c-text);letter-spacing:-.02em}.logo-accent{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-tagline{font-size:.75rem;color:var(--c-text-dim);padding-left:16px;border-left:1px solid var(--c-border)}.app-main{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden}.panel{overflow-y:auto;padding:24px}.panel-input{border-right:1px solid var(--c-border);display:flex;flex-direction:column}.panel-output{background:#0c0e1480}.stepper{display:flex;align-items:center;gap:0;padding:0 0 20px;flex-shrink:0}.step{display:flex;align-items:center;gap:8px;background:none;border:none;color:var(--c-text-dim);cursor:pointer;padding:8px 12px;border-radius:var(--radius-full);transition:all var(--duration) var(--ease);font-family:var(--font);font-size:.8rem;white-space:nowrap}.step:hover{background:var(--c-bg-hover);color:var(--c-text)}.step.active{background:var(--c-primary-glow);color:var(--c-primary)}.step.active .step-num{background:var(--c-primary);color:#fff;box-shadow:0 0 12px var(--c-primary-glow)}.step.completed .step-num{background:var(--c-success);color:#fff}.step-num{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.7rem;font-weight:700;background:var(--c-bg-card);border:1px solid var(--c-border);transition:all var(--duration) var(--ease)}.step-line{flex:1;height:1px;background:var(--c-border);min-width:8px}.template-bar{flex-shrink:0;padding-bottom:16px}.btn-template-toggle{display:flex;align-items:center;gap:8px;width:100%;padding:12px 16px;background:var(--c-bg-card);border:1px dashed rgba(255,138,40,.3);border-radius:var(--radius-md);color:var(--c-primary);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--duration) var(--ease)}.btn-template-toggle:hover{background:var(--c-primary-glow);border-color:var(--c-primary)}.steps-container{flex:1;overflow-y:auto;position:relative}.step-panel{display:none;animation:fadeSlideIn .3s var(--ease)}.step-panel.active{display:block}@keyframes fadeSlideIn{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.step-title{font-size:1.2rem;font-weight:700;margin-bottom:4px}.step-desc{color:var(--c-text-dim);font-size:.82rem;margin-bottom:24px}.field-group{margin-bottom:20px}.field-label{display:block;font-size:.82rem;font-weight:600;margin-bottom:8px;color:var(--c-text)}.required{color:var(--c-primary)}.hint{color:var(--c-text-hint);font-weight:400;font-size:.75rem}.field-hint{font-size:.75rem;color:var(--c-text-hint);margin-top:6px}.input{width:100%;padding:10px 14px;background:var(--c-bg-input);border:1px solid var(--c-border);border-radius:var(--radius-sm);color:var(--c-text);font-family:var(--font);font-size:.88rem;transition:all var(--duration) var(--ease);outline:none}.input:focus{border-color:var(--c-border-focus);box-shadow:0 0 0 3px var(--c-primary-glow)}.input::placeholder{color:var(--c-text-hint)}.textarea{resize:vertical;min-height:60px}.input-sm{width:100px;padding:8px 10px;font-size:.82rem}.mt-sm{margin-top:8px}.chip-grid{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-dim);font-family:var(--font);font-size:.8rem;cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap;-webkit-user-select:none;user-select:none}.chip:hover{background:var(--c-bg-hover);color:var(--c-text);border-color:#ffffff1f}.chip.active{background:var(--c-primary-glow);border-color:var(--c-primary);color:var(--c-primary);font-weight:500}.chip .chip-icon{font-size:1rem}.slider-row{display:flex;align-items:center;gap:12px}.slider-label-left,.slider-label-right{font-size:.72rem;color:var(--c-text-hint);white-space:nowrap}.slider{flex:1;-webkit-appearance:none;appearance:none;height:6px;background:var(--c-bg-card);border-radius:3px;outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--c-primary);cursor:pointer;box-shadow:0 0 8px var(--c-primary-glow);transition:transform var(--duration) var(--ease)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider-value{text-align:center;font-size:.75rem;color:var(--c-primary);font-weight:600;margin-top:4px}.custom-range-row{display:flex;align-items:center;gap:8px;margin-top:10px}.range-sep{color:var(--c-text-dim)}.range-unit{color:var(--c-text-dim);font-size:.82rem}.toggle-row{display:flex;align-items:center;justify-content:space-between}.toggle{position:relative;display:inline-block;width:44px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-full);transition:all var(--duration) var(--ease)}.toggle-slider:before{content:"";position:absolute;height:18px;width:18px;left:2px;bottom:2px;background:var(--c-text-dim);border-radius:50%;transition:all var(--duration) var(--ease)}.toggle input:checked+.toggle-slider{background:var(--c-primary-glow);border-color:var(--c-primary)}.toggle input:checked+.toggle-slider:before{transform:translate(20px);background:var(--c-primary)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:.88rem;font-weight:600;cursor:pointer;transition:all var(--duration) var(--ease)}.btn-primary{background:var(--c-primary);color:#fff}.btn-primary:hover{background:var(--c-primary-hover);box-shadow:0 4px 20px var(--c-primary-glow)}.btn-secondary{background:var(--c-bg-card);color:var(--c-text-dim);border:1px solid var(--c-border)}.btn-secondary:hover{background:var(--c-bg-hover);color:var(--c-text)}.btn-generate{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));color:#fff;font-size:1rem;padding:12px 28px;border-radius:var(--radius-md);box-shadow:0 4px 24px var(--c-primary-glow)}.btn-generate:hover{transform:translateY(-1px);box-shadow:0 6px 32px #ff8a2859}.btn-sm{padding:6px 14px;font-size:.78rem}.btn-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--c-text-dim);cursor:pointer;transition:all var(--duration) var(--ease)}.btn-icon:hover{background:var(--c-bg-hover);color:var(--c-text);border-color:var(--c-border)}.btn:disabled{opacity:.4;cursor:not-allowed}.step-nav{display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid var(--c-border);flex-shrink:0}.output-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:40px}.empty-icon{font-size:3.5rem;margin-bottom:16px;animation:flicker 3s ease-in-out infinite}.output-empty h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}.output-empty p{color:var(--c-text-dim);font-size:.88rem;max-width:320px}.empty-steps{display:flex;flex-direction:column;gap:12px;margin-top:32px}.empty-step{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--c-text-dim)}.es-num{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--c-bg-card);border:1px solid var(--c-border);font-size:.72rem;font-weight:700;color:var(--c-primary)}.output-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center}.forge-animation{display:flex;align-items:center;gap:8px;margin-bottom:24px}.forge-flame{font-size:3rem;animation:flameBounce .6s ease-in-out infinite alternate}.forge-anvil{font-size:2.5rem;animation:hammerHit .8s ease-in-out infinite}@keyframes flameBounce{0%{transform:translateY(0) scale(1)}to{transform:translateY(-4px) scale(1.1)}}@keyframes hammerHit{0%,to{transform:rotate(0)}50%{transform:rotate(-20deg)}}.output-loading h3{font-size:1.1rem;font-weight:700;margin-bottom:4px}.output-loading p{color:var(--c-text-dim);font-size:.85rem;margin-bottom:24px}.loading-bar{width:200px;height:4px;background:var(--c-bg-card);border-radius:2px;overflow:hidden}.loading-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));border-radius:2px;animation:loadProgress 2.5s var(--ease) forwards}@keyframes loadProgress{0%{width:0%}30%{width:40%}60%{width:70%}80%{width:85%}to{width:100%}}.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.results-header h3{font-size:1.1rem;font-weight:700}.results-actions{display:flex;gap:8px}.results-list{display:flex;flex-direction:column;gap:16px}.result-card{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--duration) var(--ease);animation:cardAppear .4s var(--ease) both}.result-card:nth-child(1){animation-delay:.1s}.result-card:nth-child(2){animation-delay:.2s}.result-card:nth-child(3){animation-delay:.3s}.result-card:nth-child(4){animation-delay:.4s}.result-card:nth-child(5){animation-delay:.5s}@keyframes cardAppear{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.result-card:hover{border-color:#ffffff1a}.result-card-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#ffffff05;border-bottom:1px solid var(--c-border)}.result-version{display:flex;align-items:center;gap:8px}.result-version-num{font-size:.78rem;font-weight:700;color:var(--c-primary)}.result-version-label{font-size:.72rem;color:var(--c-text-hint);padding:2px 8px;background:var(--c-bg-input);border-radius:var(--radius-full)}.result-card-actions{display:flex;gap:4px}.result-card-body{padding:16px;font-size:.88rem;line-height:1.7;white-space:pre-wrap;color:var(--c-text)}.result-card-footer{padding:10px 16px;border-top:1px solid var(--c-border);background:#ffffff03}.result-strategy{font-size:.75rem;color:var(--c-text-dim)}.result-strategy strong{color:var(--c-secondary);font-weight:600}.modal-overlay{position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s var(--ease)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--c-bg-panel);border:1px solid var(--c-border);border-radius:var(--radius-lg);width:min(560px,90vw);max-height:80vh;display:flex;flex-direction:column;animation:modalSlideIn .3s var(--ease)}.modal-lg{width:min(720px,90vw)}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border)}.modal-header h3{font-size:1rem;font-weight:700}.modal-filter{display:flex;gap:6px;padding:12px 20px;overflow-x:auto;flex-wrap:wrap}.filter-chip{padding:5px 12px;border-radius:var(--radius-full);background:var(--c-bg-card);border:1px solid var(--c-border);color:var(--c-text-dim);font-family:var(--font);font-size:.75rem;cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap}.filter-chip:hover{background:var(--c-bg-hover);color:var(--c-text)}.filter-chip.active{background:var(--c-primary-glow);border-color:var(--c-primary);color:var(--c-primary)}.modal-body{padding:16px 20px;overflow-y:auto;flex:1}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.template-card{padding:16px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration) var(--ease)}.template-card:hover{border-color:var(--c-primary);background:var(--c-primary-glow);transform:translateY(-2px)}.template-card-icon{font-size:1.6rem;margin-bottom:8px}.template-card-name{font-size:.88rem;font-weight:600;margin-bottom:4px}.template-card-desc{font-size:.75rem;color:var(--c-text-dim);line-height:1.5}.prompt-preview{background:var(--c-bg-input);padding:16px;border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:.78rem;line-height:1.7;color:var(--c-text);white-space:pre-wrap;word-break:break-all;max-height:400px;overflow-y:auto}.btn-copy-prompt{margin-top:12px;width:100%;justify-content:center}.sidebar-overlay{position:fixed;inset:0;background:#00000080;z-index:90}.sidebar{position:fixed;top:0;right:0;width:var(--sidebar-w);height:100vh;background:var(--c-bg-panel);border-left:1px solid var(--c-border);z-index:95;display:flex;flex-direction:column;transform:translate(100%);transition:transform .3s var(--ease)}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border);flex-shrink:0}.sidebar-header h3{font-size:1rem;font-weight:700}.sidebar-body{flex:1;overflow-y:auto;padding:16px}.history-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;text-align:center;color:var(--c-text-dim);font-size:.85rem}.history-empty .hint{font-size:.75rem;margin-top:4px}.history-item{padding:12px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-sm);margin-bottom:10px;cursor:pointer;transition:all var(--duration) var(--ease)}.history-item:hover{border-color:#ffffff1a;background:var(--c-bg-hover)}.history-item-title{font-size:.82rem;font-weight:600;margin-bottom:4px}.history-item-meta{font-size:.72rem;color:var(--c-text-hint)}.history-item-preview{font-size:.75rem;color:var(--c-text-dim);margin-top:6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff24}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(80px);padding:10px 20px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text);font-size:.82rem;z-index:200;opacity:0;transition:all .3s var(--ease);pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media(max-width:900px){.app-main{grid-template-columns:1fr;grid-template-rows:1fr}.panel-input{border-right:none}.panel-output{display:none}.panel-output.show-mobile{display:block;position:fixed;inset:0;top:var(--header-h);z-index:80;background:var(--c-bg)}.stepper{overflow-x:auto;padding-bottom:12px}.step-label,.logo-tagline{display:none}}@media(max-width:600px){.app-header{padding:0 12px}.panel{padding:16px}.template-grid{grid-template-columns:1fr}}.header-divider{width:1px;height:20px;background:var(--c-border);margin:0 4px}.settings-section{margin-bottom:20px}.provider-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}.provider-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-md);color:var(--c-text-dim);font-family:var(--font);cursor:pointer;transition:all var(--duration) var(--ease)}.provider-card:hover{background:var(--c-bg-hover);color:var(--c-text)}.provider-card.active{background:var(--c-primary-glow);border-color:var(--c-primary);color:var(--c-primary)}.provider-icon{font-size:1.6rem}.provider-name{font-size:.85rem;font-weight:600}.provider-badge{font-size:.65rem;padding:1px 8px;background:var(--c-primary);color:#fff;border-radius:var(--radius-full);min-height:16px}.provider-card:not(.active) .provider-badge{background:transparent;color:transparent}.input-with-action{display:flex;gap:6px}.input-with-action .input{flex:1}.select{-webkit-appearance:none;appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b8fa5' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.link{color:var(--c-primary);text-decoration:none}.link:hover{text-decoration:underline}.settings-status{min-height:24px;margin-bottom:12px}.settings-status .status-msg{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--radius-sm);font-size:.82rem;animation:fadeIn .2s var(--ease)}.settings-status .status-success{background:#34d3991a;border:1px solid rgba(52,211,153,.3);color:var(--c-success)}.settings-status .status-error{background:#f871711a;border:1px solid rgba(248,113,113,.3);color:var(--c-error)}.settings-status .status-loading{background:#ff8a281a;border:1px solid rgba(255,138,40,.3);color:var(--c-primary)}.settings-actions{display:flex;gap:10px;justify-content:flex-end}.ai-status-dot{width:8px;height:8px;border-radius:50%;background:var(--c-error);display:inline-block;margin-right:4px}.ai-status-dot.connected{background:var(--c-success);box-shadow:0 0 6px #34d39966}