:root{--bg-app: #080c14;--bg-canvas: #0c111c;--bg-panel: #111726;--bg-surface: #161e31;--bg-surface-hover: #1c273e;--bg-input: #0e1422;--bg-glass: rgba(12, 17, 28, .88);--bg-overlay: rgba(4, 7, 12, .82);--border-hairline: rgba(255, 255, 255, .05);--border-subtle: rgba(255, 255, 255, .09);--border-medium: rgba(255, 255, 255, .16);--border-focus: #38bdf8;--border-accent: rgba(56, 189, 248, .35);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--text-on-accent: #ffffff;--primary: #0284c7;--primary-hover: #0369a1;--primary-light: #38bdf8;--primary-glow: rgba(56, 189, 248, .15);--emerald: #10b981;--emerald-hover: #059669;--emerald-glow: rgba(16, 185, 129, .18);--amber: #f59e0b;--amber-glow: rgba(245, 158, 11, .18);--rose: #f43f5e;--rose-glow: rgba(244, 63, 94, .18);--grad-primary: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);--grad-export: linear-gradient(135deg, #059669 0%, #10b981 100%);--grad-surface: linear-gradient(180deg, rgba(255, 255, 255, .02) 0%, transparent 100%);--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 22px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);--shadow-md: 0 4px 12px rgba(0, 0, 0, .35);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 24px var(--primary-glow);--font-sans: "Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--header-height: 58px;--mobile-tab-height: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;min-height:100%;background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden;text-rendering:optimizeLegibility}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{color:var(--primary-light);text-decoration:none}a:hover{text-decoration:underline}#app{display:flex;flex-direction:column;height:100vh;height:100dvh;width:100vw;overflow:hidden;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(56,189,248,.08),transparent),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(16,185,129,.04),transparent),var(--bg-app)}.app-header{height:var(--header-height);min-height:var(--header-height);background:var(--bg-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:30;position:relative}.app-header:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.4),rgba(16,185,129,.3),transparent);pointer-events:none}.header-left{display:flex;align-items:center;gap:14px;min-width:0}.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#38bdf829,#2563eb1a);border:1px solid rgba(56,189,248,.3);color:var(--primary-light);display:grid;place-items:center;box-shadow:0 2px 8px #0000004d,inset 0 1px #ffffff1a;flex-shrink:0}.logo-copy{display:flex;flex-direction:column}.logo-text{font-size:15px;font-weight:700;letter-spacing:-.02em;color:#fff;line-height:1.2}.logo-subtitle{font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);line-height:1.2}.admin-nav-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--radius-full);background:#ffffff0d;border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12px;font-weight:600;transition:all .15s ease}.admin-nav-btn:hover{background:#ffffff1a;color:#fff;border-color:var(--border-medium)}.header-center{display:flex;align-items:center;gap:12px}.status-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;background:#161e31cc;border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:12px;font-weight:600;letter-spacing:.01em;box-shadow:inset 0 1px #ffffff0a}.status-dot{width:7px;height:7px;border-radius:50%;background-color:var(--text-muted);transition:all .2s ease}.status-dot.ready{background-color:var(--emerald);box-shadow:0 0 10px var(--emerald)}.status-dot.thinking{background-color:var(--amber);box-shadow:0 0 10px var(--amber);animation:pulseDot 1.4s infinite}.status-dot.generating{background-color:var(--primary-light);box-shadow:0 0 10px var(--primary-light);animation:pulseDot 1s infinite}.status-dot.error{background-color:var(--rose);box-shadow:0 0 10px var(--rose)}@keyframes pulseDot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.85)}}.header-stepper{display:flex;align-items:center;gap:6px;background:#161e31e6;padding:4px 10px;border-radius:var(--radius-full);border:1px solid var(--border-accent);font-size:12px;animation:fadeIn .2s ease}.header-step{display:flex;align-items:center;gap:5px;color:var(--text-muted)}.header-step.active{color:var(--primary-light);font-weight:600}.header-step.completed{color:var(--emerald)}.header-step.error{color:var(--rose)}.header-step-arrow{color:var(--text-muted);font-size:11px}.header-right{display:flex;align-items:center;gap:10px}.header-model-pill{display:flex;align-items:center;gap:6px;padding:5px 12px;background:#161e31b3;border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);font-size:12px;font-weight:500;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12.5px;font-weight:600;transition:all .15s ease}.logout-btn:hover{background:#f43f5e1f;color:#fecdd3;border-color:#f43f5e4d}.mobile-menu-btn{display:none;width:38px;height:38px;border-radius:var(--radius-sm);background:#ffffff0d;border:1px solid var(--border-subtle);color:var(--text-primary);place-items:center}.main-content{flex:1;display:grid;grid-template-columns:minmax(380px,450px) 4px minmax(0,1fr);height:calc(100vh - var(--header-height));height:calc(100dvh - var(--header-height));position:relative;overflow:hidden}.resize-handle{width:4px;background:var(--border-hairline);cursor:col-resize;transition:background .15s,box-shadow .15s;z-index:10;position:relative}.resize-handle:hover,.resize-handle:active{background:var(--primary-light);box-shadow:0 0 10px var(--primary-light)}.chat-panel{display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border-subtle);height:100%;overflow:hidden;min-width:0;position:relative}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:18px;scroll-behavior:smooth;min-height:0;-webkit-overflow-scrolling:touch}.message{display:flex;flex-direction:column;max-width:90%;animation:messageIn .25s cubic-bezier(.16,1,.3,1) forwards;min-width:0}@keyframes messageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-user{margin-left:auto;align-items:flex-end}.message-user .message-bubble{background:var(--grad-primary);color:#fff;border-radius:var(--radius-lg) var(--radius-lg) 3px var(--radius-lg);box-shadow:var(--shadow-md),0 0 16px #0284c740;font-weight:500}.message-assistant{margin-right:auto;align-items:flex-start;display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px;width:100%;max-width:95%}.message-avatar{width:34px;height:34px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#38bdf824,#2563eb1f);border:1px solid rgba(56,189,248,.25);display:grid;place-items:center;color:var(--primary-light);box-shadow:0 2px 6px #00000040;flex-shrink:0}.message-assistant .message-bubble{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 3px;box-shadow:var(--shadow-sm);min-width:0}.message-system{margin:6px auto;max-width:92%;width:100%;text-align:center}.message-system .message-bubble{background:#161e3199;border:1px dashed var(--border-medium);border-radius:var(--radius-md);color:var(--text-secondary);font-size:12.5px;padding:8px 14px;display:inline-block;text-align:left}.message-bubble{padding:12px 16px;font-size:13.5px;line-height:1.6;word-break:break-word;overflow-wrap:break-word}.message-bubble p{margin-bottom:8px}.message-bubble p:last-child{margin-bottom:0}.message-bubble ul,.message-bubble ol{margin:6px 0 8px 20px}.message-bubble li{margin-bottom:4px}.message-bubble h1,.message-bubble h2,.message-bubble h3,.message-bubble h4{color:#fff;margin:12px 0 6px;font-weight:700;line-height:1.3}.message-bubble h1{font-size:16px}.message-bubble h2{font-size:15px}.message-bubble h3{font-size:14px}.message-bubble h4{font-size:13.5px}.message-bubble pre{background:#060911;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:12px;margin:8px 0;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}.message-bubble code{font-family:var(--font-mono);font-size:12px;color:#7dd3fc;background:#38bdf814;padding:2px 5px;border-radius:4px;white-space:pre-wrap;word-break:break-word}.message-bubble pre code{background:transparent;padding:0;border-radius:0;white-space:pre;word-break:normal}.message-bubble.streaming{position:relative}.typing-indicator{display:inline-flex;align-items:center;gap:4px;margin-top:6px}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--primary-light);animation:typingBounce 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}.progress-stepper{background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-md);padding:14px;margin:6px 0;box-shadow:var(--shadow-sm);animation:fadeIn .2s ease}.progress-stepper-track{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.progress-step{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius-sm);background:#0c111c99;border:1px solid var(--border-hairline);font-size:12px;color:var(--text-muted);transition:all .2s ease;min-width:0}.progress-step-icon{width:20px;height:20px;min-width:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;background:#ffffff0d;border:1px solid var(--border-subtle)}.progress-step-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-step-short{display:none}.progress-step.active{background:#38bdf81a;border-color:var(--border-accent);color:var(--primary-light);font-weight:600}.progress-step.active .progress-step-icon{background:var(--primary);color:#fff;box-shadow:0 0 10px var(--primary-light)}.progress-step.completed{background:#10b98114;border-color:#10b98140;color:#a7f3d0}.progress-step.completed .progress-step-icon{background:var(--emerald);color:#fff}.progress-step.error{background:#f43f5e14;border-color:#f43f5e40;color:#fecdd3}.progress-step.error .progress-step-icon{background:var(--rose);color:#fff}.progress-stepper-errors{margin-top:10px;padding:8px 12px;background:#f43f5e1f;border:1px solid rgba(244,63,94,.25);border-radius:var(--radius-sm);color:#fca5a5;font-size:11.5px}.suggestion-chips{display:flex;flex-wrap:wrap;gap:8px;padding:8px 20px;background:var(--bg-panel)}.suggestion-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-full);background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s ease;white-space:nowrap}.suggestion-chip:hover{background:#38bdf81a;border-color:var(--border-accent);color:#fff;transform:translateY(-1px)}.chat-input-area{padding:12px 18px 14px;background:var(--bg-panel);border-top:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:8px;position:relative;z-index:20}.chat-input-toolbar{display:flex;align-items:center;justify-content:space-between}.model-selector-row{display:inline-flex;align-items:center;gap:8px}.model-selector-label{display:inline-flex;align-items:center;gap:4px;color:var(--text-muted);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.model-select{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:12px;padding:4px 10px;outline:none;cursor:pointer;transition:all .15s ease;max-width:240px}.model-select:hover,.model-select:focus{border-color:var(--primary-light);color:#fff}.input-wrapper{display:flex;align-items:flex-end;background:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-md);padding:8px 10px 8px 14px;gap:8px;transition:all .2s ease;box-shadow:inset 0 2px 4px #0000004d}.input-wrapper:focus-within{border-color:var(--primary-light);box-shadow:inset 0 2px 4px #0000004d,0 0 0 3px var(--primary-glow)}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:14px;line-height:1.5;resize:none;outline:none;max-height:120px;min-height:24px}.chat-input::placeholder{color:var(--text-muted)}.input-actions{display:flex;align-items:center;gap:6px}.action-btn{width:36px;height:36px;min-width:36px;border-radius:var(--radius-sm);display:grid;place-items:center;transition:all .15s ease}.send-button{background:var(--primary);color:#fff;box-shadow:0 2px 8px #0284c74d}.send-button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #0284c773}.send-button:disabled{opacity:.4;cursor:not-allowed;transform:none}.stop-button{background:#f43f5e26;border:1px solid rgba(244,63,94,.3);color:#fb7185}.stop-button:hover{background:var(--rose);color:#fff}.input-hint{font-size:11px;color:var(--text-muted);text-align:right;padding-right:4px}.preview-panel{display:flex;flex-direction:column;background:var(--bg-canvas);height:100%;overflow:hidden;min-width:0;position:relative}.preview-toolbar{height:48px;min-height:48px;background:var(--bg-panel);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:10}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:8px}.toolbar-title-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:#ffffff0a;border-radius:var(--radius-full);border:1px solid var(--border-hairline);margin-right:4px}.live-pulse{width:6px;height:6px;border-radius:50%;background:var(--primary-light);box-shadow:0 0 6px var(--primary-light)}.toolbar-label{font-size:11.5px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.toolbar-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:12.5px;font-weight:600;transition:all .15s ease}.toolbar-btn:hover{background:#ffffff17;color:#fff;border-color:var(--border-medium)}.export-btn{background:var(--grad-export);border:none;color:#fff;font-weight:700;box-shadow:0 2px 8px #10b9814d}.export-btn:hover{background:linear-gradient(135deg,#047857,#059669);transform:translateY(-1px);box-shadow:0 4px 14px #10b98173}.preview-container{flex:1;position:relative;background:radial-gradient(circle at center,rgba(56,189,248,.03) 0%,transparent 70%),linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px),var(--bg-canvas);background-size:auto,32px 32px,32px 32px,auto;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}.preview-empty,.preview-loading{text-align:center;max-width:440px;padding:32px 24px;animation:fadeIn .3s ease;z-index:5}.empty-icon-wrap{width:76px;height:76px;margin:0 auto 18px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#38bdf81f,#2563eb0f);border:1px solid rgba(56,189,248,.25);color:var(--primary-light);display:grid;place-items:center;box-shadow:0 8px 24px #00000059}.preview-empty h3{font-size:18px;font-weight:700;margin-bottom:8px;color:#fff}.preview-empty p{color:var(--text-muted);font-size:13.5px;line-height:1.6}.loading-spinner{width:42px;height:42px;border:3px solid rgba(56,189,248,.15);border-top-color:var(--primary-light);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-copy .loading-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}.loading-copy .loading-desc{font-size:13px;color:var(--text-muted)}.iframe-viewport-wrapper{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.preview-frame{width:100%;height:100%;border:none;background:#000;opacity:0;transition:opacity .3s ease}.preview-frame.active{opacity:1}.file-explorer{background:var(--bg-panel);border-top:1px solid var(--border-subtle);display:flex;flex-direction:column;z-index:15;transition:max-height .25s cubic-bezier(.16,1,.3,1);max-height:44px}.file-explorer.expanded{max-height:260px}.file-explorer-toggle{height:44px;min-height:44px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;width:100%;background:transparent;color:var(--text-secondary);font-size:12.5px;font-weight:600;transition:background .15s ease}.file-explorer-toggle:hover{background:#ffffff08;color:#fff}.file-toggle-left{display:flex;align-items:center;gap:8px}.chevron-icon{transition:transform .2s ease}.file-explorer.expanded .chevron-icon{transform:rotate(180deg)}.file-count{background:#38bdf81a;color:var(--primary-light);padding:2px 8px;border-radius:var(--radius-full);font-size:11px;font-weight:600}.file-list{overflow-y:auto;padding:8px 14px 14px;border-top:1px solid var(--border-hairline);display:flex;flex-direction:column;gap:4px;max-height:216px}.file-item{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.file-item:hover{background:#ffffff0d}.file-item-left{display:flex;align-items:center;gap:8px;min-width:0}.file-icon{width:28px;height:20px;display:grid;place-items:center;border-radius:4px;font-size:10px;font-weight:700;font-family:var(--font-mono);background:#38bdf81f;color:var(--primary-light);border:1px solid 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20px;display:flex;flex-direction:column;gap:16px}.mobile-menu-section{display:flex;flex-direction:column;gap:6px}.mobile-menu-section-title{font-size:11.5px;font-weight:600;text-transform:uppercase;color:var(--text-muted);letter-spacing:.04em}.mobile-select{width:100%;max-width:100%;padding:8px 12px;font-size:13px}.mobile-menu-actions{display:flex;flex-direction:column;gap:8px;margin-top:4px}.mobile-menu-item-btn{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-primary);font-size:13.5px;font-weight:600;transition:all .15s ease;width:100%;text-align:left}.mobile-menu-item-btn:hover{background:var(--bg-surface-hover);border-color:var(--border-medium)}.mobile-menu-item-btn.danger{color:#fca5a5;background:#f43f5e14;border-color:#f43f5e33}.mobile-menu-item-btn.danger:hover{background:#f43f5e29}.toast-container{position:fixed;top:20px;right:20px;z-index:120;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;padding:12px 18px;background:#111726f5;border:1px solid var(--border-medium);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);color:#fff;font-size:13px;font-weight:500;max-width:380px;animation:toastIn .25s cubic-bezier(.16,1,.3,1) forwards;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}@keyframes toastIn{0%{opacity:0;transform:translateY(-10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.toast-success{border-color:#10b98166}.toast-success .toast-icon{color:var(--emerald)}.toast-error{border-color:#f43f5e66}.toast-error .toast-icon{color:var(--rose)}.toast-warning{border-color:#f59e0b66}.toast-warning .toast-icon{color:var(--amber)}.toast-info{border-color:#38bdf866}.toast-info .toast-icon{color:var(--primary-light)}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:200;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:380px;background:var(--bg-panel);border:1px solid var(--border-medium);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:20px;animation:modalIn .25s ease}.login-header{text-align:center}.login-icon{width:52px;height:52px;margin:0 auto 12px;border-radius:var(--radius-md);background:linear-gradient(135deg,#38bdf829,#2563eb1f);border:1px solid rgba(56,189,248,.3);color:var(--primary-light);display:grid;place-items:center}.login-header h2{font-size:20px;font-weight:700;color:#fff;margin-bottom:4px}.login-subtitle{font-size:13px;color:var(--text-muted)}.login-form{display:flex;flex-direction:column;gap:14px}.login-field{display:flex;flex-direction:column;gap:6px}.login-field label{font-size:12px;font-weight:600;color:var(--text-secondary)}.login-field input{background:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-sm);padding:10px 14px;color:#fff;font-size:13.5px;outline:none;transition:all .15s ease}.login-field input:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px var(--primary-glow)}.login-error{padding:8px 12px;border-radius:var(--radius-sm);background:#f43f5e1f;border:1px solid rgba(244,63,94,.3);color:#fca5a5;font-size:12px}.login-submit{padding:11px 16px;border-radius:var(--radius-sm);background:var(--grad-primary);color:#fff;font-size:14px;font-weight:600;transition:all .15s ease;margin-top:4px}.login-submit:hover:not(:disabled){opacity:.94;transform:translateY(-1px);box-shadow:0 4px 14px #0284c766}.admin-panel-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;display:grid;place-items:center;padding:24px}.admin-panel-modal[hidden]{display:none!important}.admin-panel-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.admin-panel-shell{position:relative;width:100%;max-width:900px;max-height:88vh;background:var(--bg-panel);border:1px solid var(--border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:10}.admin-panel-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.admin-panel-header h2{font-size:17px;font-weight:700;color:#fff}.admin-panel-summary{font-size:12px;color:var(--text-muted)}.admin-panel-actions{display:flex;align-items:center;gap:8px}.admin-tabs{display:flex;background:#080c1499;border-bottom:1px solid var(--border-subtle);padding:0 16px;gap:4px}.admin-tab{padding:10px 16px;color:var(--text-muted);font-size:13px;font-weight:600;border-bottom:2px solid transparent;transition:all .15s ease}.admin-tab:hover{color:var(--text-primary)}.admin-tab.active{color:var(--primary-light);border-bottom-color:var(--primary-light)}.admin-panel-body{padding:20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:16px}.admin-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px}.admin-card-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px}.admin-table{width:100%;border-collapse:collapse;font-size:12.5px}.admin-table th,.admin-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border-hairline)}.admin-table th{color:var(--text-muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.04em}.admin-table td{color:var(--text-secondary)}.admin-badge{padding:2px 7px;border-radius:var(--radius-full);font-size:11px;font-weight:600}.admin-badge-success{background:#10b98126;color:#6ee7b7}.admin-badge-error{background:#f43f5e26;color:#fda4af}.admin-badge-info{background:#38bdf826;color:#7dd3fc}.admin-input{background:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-xs);padding:6px 10px;color:#fff;font-size:12.5px;outline:none}.admin-input:focus{border-color:var(--primary-light)}.admin-editor-row{display:grid;grid-template-columns:180px 1fr auto;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border-hairline)}.mobile-tabs{display:none}@media(max-width:992px){.main-content{grid-template-columns:minmax(320px,380px) 4px minmax(0,1fr)}.header-model-pill{max-width:150px}}@media(max-width:768px){:root{--header-height: 52px;--mobile-tab-height: 56px}.app-header{padding:0 14px}.logo-icon{width:32px;height:32px}.logo-text{font-size:14px}.logo-subtitle{display:none}.admin-nav-btn,.header-model-pill,.logout-btn{display:none!important}.mobile-menu-btn{display:grid}.status-badge{padding:4px 9px;font-size:11px}.main-content{grid-template-columns:1fr!important;height:calc(100vh - var(--header-height) - var(--mobile-tab-height));height:calc(100dvh - var(--header-height) - var(--mobile-tab-height))}.resize-handle{display:none!important}.chat-panel,.preview-panel{display:none;width:100%;height:100%}.chat-panel.active,.preview-panel.active{display:flex}.chat-messages{padding:14px;gap:12px}.message{max-width:94%}.message-assistant{grid-template-columns:28px minmax(0,1fr);gap:8px;max-width:100%}.message-avatar{width:28px;height:28px}.message-bubble{padding:10px 13px;font-size:13px}.progress-stepper-track{grid-template-columns:1fr 1fr;gap:6px}.progress-step-label{display:none}.progress-step-short{display:inline}.chat-input-area{padding:10px 12px}.chat-input{font-size:16px}.input-hint{display:none}.model-select{max-width:180px;font-size:11px}.preview-toolbar{padding:0 10px}.toolbar-title-badge,.toolbar-btn .btn-text{display:none}.toolbar-btn{padding:6px 9px}.mobile-tabs{display:flex;align-items:center;justify-content:space-around;height:var(--mobile-tab-height);background:var(--bg-panel);border-top:1px solid var(--border-subtle);z-index:35;padding-bottom:env(safe-area-inset-bottom)}.mobile-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:100%;color:var(--text-muted);font-size:11px;font-weight:600;transition:all .15s ease;border-top:2px solid transparent}.mobile-tab.active{color:var(--primary-light);border-top-color:var(--primary-light);background:#38bdf80a}.mobile-tab svg{stroke-width:2.2}.file-explorer.mobile-view{position:fixed;top:var(--header-height);bottom:var(--mobile-tab-height);left:0;right:0;max-height:none!important;z-index:40;background:var(--bg-panel)}.file-explorer.mobile-view .file-list{max-height:none;flex:1;padding:12px 16px}.modal{padding:12px}.modal-content{max-height:90vh;border-radius:var(--radius-md)}.admin-panel-modal{padding:10px}.admin-editor-row{grid-template-columns:1fr;gap:6px}}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff38}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}