@import"https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--bg-app: #090d16;--bg-surface: #0f172a;--bg-surface-elevated: #1e293b;--bg-surface-glass: rgba(15, 23, 42, .85);--border-subtle: rgba(255, 255, 255, .08);--border-focus: #3b82f6;--border-active: rgba(59, 130, 246, .4);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .25);--success-color: #10b981;--success-glow: rgba(16, 185, 129, .25);--header-height: 56px;--toolbar-height: 44px;--status-height: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Fira Code", ui-monospace, SFMono-Regular, Menlo, monospace;--shadow-subtle: 0 4px 20px rgba(0, 0, 0, .35);--shadow-floating: 0 10px 30px -5px rgba(0, 0, 0, .5);--shadow-glow: 0 0 25px rgba(59, 130, 246, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-sans);overflow:hidden;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;width:100vw;height:100vh}.header-bar{height:var(--header-height);background:var(--bg-surface-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 18px;z-index:50}.brand-section{display:flex;align-items:center;gap:12px}.brand-logo{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:transparent;border-radius:var(--radius-sm);transition:transform .2s cubic-bezier(.16,1,.3,1),filter .2s ease;cursor:pointer}.brand-logo:hover{transform:scale(1.06);filter:drop-shadow(0 0 10px rgba(16,185,129,.45))}.brand-title{display:flex;align-items:baseline;gap:8px}.brand-title h1{font-size:16px;font-weight:800;letter-spacing:-.5px;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.brand-badge{font-size:11px;font-weight:600;padding:2px 7px;background:#3b82f626;color:#60a5fa;border-radius:var(--radius-full);border:1px solid rgba(59,130,246,.25)}.header-center{display:flex;align-items:center;gap:8px}.theme-selector-wrapper{position:relative;display:flex;align-items:center}.theme-selector-trigger{display:flex;align-items:center;gap:8px;padding:4px 12px;height:28px;background:#00000040;border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.theme-selector-trigger:hover{border-color:var(--border-active);background:#ffffff0f;box-shadow:0 0 12px var(--accent-glow)}.theme-color-dot{width:8px;height:8px;border-radius:50%;box-shadow:0 0 8px currentColor}.theme-dropdown{position:absolute;top:calc(100% + 6px);right:0;left:auto;transform:translateY(-6px);width:320px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-floating);padding:8px;display:none;flex-direction:column;gap:4px;z-index:100;max-height:480px;overflow-y:auto;opacity:0;pointer-events:none;transition:all .2s cubic-bezier(.16,1,.3,1)}.theme-dropdown.show{display:flex;transform:translateY(0);opacity:1;pointer-events:auto}.theme-option-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:var(--radius-md);cursor:pointer;transition:background .15s ease}.theme-option-item:hover{background:var(--bg-surface-elevated)}.theme-option-item.active{background:#3b82f626;border:1px solid rgba(59,130,246,.3)}.theme-info{display:flex;flex-direction:column;gap:2px}.theme-name{font-size:13.5px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.theme-desc{font-size:11.5px;color:var(--text-muted)}.header-actions{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;border-radius:var(--radius-md);cursor:pointer;border:1px solid transparent;transition:all .2s cubic-bezier(.16,1,.3,1);font-family:inherit}.btn-secondary{background:var(--bg-surface-elevated);border-color:var(--border-subtle);color:var(--text-secondary)}.btn-secondary:hover{color:var(--text-primary);background:#ffffff14;border-color:#ffffff2e}.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;box-shadow:0 2px 10px #2563eb59}.btn-primary:hover{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 4px 16px #3b82f673;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-success{background:linear-gradient(135deg,#10b981,#059669)!important;box-shadow:0 2px 12px var(--success-glow)!important}.workspace-container{display:flex;flex:1;height:calc(100vh - var(--header-height));position:relative;overflow:hidden}.pane{flex:1;height:100%;display:flex;flex-direction:column;position:relative}.pane-editor{border-right:1px solid var(--border-subtle);background:var(--bg-surface)}.pane-preview{background:var(--bg-app);display:flex;flex-direction:column;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.settings-wrapper{position:relative}.settings-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:310px;background:#131b2e;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);box-shadow:0 16px 36px #00000073;padding:16px;display:none;flex-direction:column;gap:14px;z-index:1000;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);animation:dropdownIn .2s cubic-bezier(.16,1,.3,1)}.settings-dropdown.show{display:flex}.settings-header{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#f8fafc;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.08)}.settings-item{display:flex;flex-direction:column;gap:8px}.settings-label{font-size:12.5px;font-weight:600;color:var(--text-secondary)}.segmented-control{display:flex;background:#0000004d;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);padding:3px;gap:3px}.segment-btn{flex:1;padding:5px 0;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-muted);font-size:12px;font-weight:500;cursor:pointer;transition:all .18s ease;text-align:center}.segment-btn:hover{color:var(--text-primary);background:#ffffff0a}.segment-btn.active{background:#2563eb;color:#fff;font-weight:600;box-shadow:0 2px 6px #2563eb59}.settings-divider{height:1px;background:#ffffff14;margin:2px 0}.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.toggle-info{display:flex;flex-direction:column;gap:2px}.toggle-title{font-size:12.5px;font-weight:600;color:var(--text-primary)}.toggle-desc{font-size:11px;color:var(--text-muted);line-height:1.35}.switch{position:relative;display:inline-block;width:38px;height:20px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ffffff29;transition:.25s cubic-bezier(.4,0,.2,1)}.slider:before{position:absolute;content:"";height:14px;width:14px;left:3px;bottom:3px;background-color:#fff;transition:.25s cubic-bezier(.4,0,.2,1)}input:checked+.slider{background-color:#10b981}input:checked+.slider:before{transform:translate(18px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.editor-toolbar{height:var(--toolbar-height);background:var(--bg-surface-elevated);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 12px;-webkit-user-select:none;user-select:none}.toolbar-group{display:flex;align-items:center;gap:3px}.toolbar-divider{width:1px;height:18px;background:var(--border-subtle);margin:0 6px}.tool-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:transparent;border:none;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.tool-btn:hover{background:#ffffff14;color:var(--text-primary)}.tool-btn:active{transform:scale(.94)}.editor-body{flex:1;display:flex;position:relative;overflow:hidden}.editor-gutter{width:44px;background:#00000026;border-right:1px solid var(--border-subtle);color:var(--text-muted);font-family:var(--font-mono);font-size:13px;line-height:22px;padding:16px 8px 16px 0;text-align:right;-webkit-user-select:none;user-select:none;overflow:hidden}.editor-textarea-wrapper{flex:1;position:relative;height:100%}.editor-textarea{width:100%;height:100%;padding:16px 18px;background:transparent;color:var(--text-primary);font-family:var(--font-mono);font-size:14px;line-height:22px;border:none;outline:none;resize:none;white-space:pre-wrap;word-break:break-word;-moz-tab-size:2;tab-size:2}.editor-textarea::placeholder{color:var(--text-muted)}.editor-statusbar{height:var(--status-height);background:var(--bg-surface-elevated);border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 14px;font-size:11.5px;color:var(--text-muted);-webkit-user-select:none;user-select:none}.statusbar-left,.statusbar-right{display:flex;align-items:center;gap:14px}.status-tag{display:flex;align-items:center;gap:6px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--success-color);box-shadow:0 0 6px var(--success-color)}.editor-textarea-wrapper.drag-over{outline:2px dashed #2563eb;outline-offset:-4px;background:#2563eb0d}.preview-toolbar{height:var(--toolbar-height);background:var(--bg-surface-elevated);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 16px;-webkit-user-select:none;user-select:none;position:relative;z-index:50}.view-mode-tabs{display:flex;background:#00000040;padding:3px;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.view-tab{display:flex;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:600;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.view-tab:hover{color:var(--text-primary)}.view-tab.active{background:var(--bg-surface);color:#fff;box-shadow:0 2px 8px #0000004d}.preview-meta-info{font-size:12px;color:var(--text-muted)}.preview-canvas{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto;position:relative;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px}.mobile-device-frame{width:390px;height:800px;background:#000;border-radius:46px;box-shadow:0 0 0 11px #1e2430,0 0 0 13px #2d3748,0 25px 60px #000000b3;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:all .3s cubic-bezier(.16,1,.3,1)}.phone-notch-area{position:absolute;top:10px;left:50%;transform:translate(-50%);width:105px;height:25px;background:#000;border-radius:20px;z-index:40}.phone-status-bar{height:44px;padding:10px 24px 0;display:flex;align-items:center;justify-content:space-between;color:#fff;font-size:13px;font-weight:600;z-index:30;-webkit-user-select:none;user-select:none}.status-bar-icons{display:flex;align-items:center;gap:6px}.wechat-nav-bar{height:44px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(0,0,0,.06);z-index:20;-webkit-user-select:none;user-select:none;transition:background .2s ease,color .2s ease}.wechat-nav-title{font-size:15px;font-weight:600;max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wechat-nav-btn{display:flex;align-items:center;justify-content:center;color:inherit;opacity:.85}.phone-content-scroll{flex:1;overflow-y:auto;overflow-x:hidden;padding:12px 10px 40px;scroll-behavior:smooth}.phone-home-indicator{position:absolute;bottom:8px;left:50%;transform:translate(-50%);width:130px;height:4px;background:#fff6;border-radius:4px;z-index:40;pointer-events:none}.preview-canvas.desktop-view .mobile-device-frame{width:100%;max-width:740px;height:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-floating);background:#fff}.preview-canvas.desktop-view .phone-notch-area,.preview-canvas.desktop-view .phone-status-bar,.preview-canvas.desktop-view .phone-home-indicator{display:none}.preview-canvas.desktop-view .wechat-nav-bar{border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg);padding:0 20px}.preview-canvas.desktop-view .phone-content-scroll{padding:20px 24px 60px}.floating-actions{position:absolute;bottom:24px;right:28px;display:flex;align-items:center;gap:10px;z-index:50}.floating-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;font-size:13.5px;font-weight:700;border-radius:var(--radius-full);background:var(--bg-surface-elevated);color:var(--text-primary);border:1px solid var(--border-subtle);box-shadow:0 8px 24px #0006;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.floating-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px #00000080;border-color:var(--border-active)}.floating-btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;border:none;box-shadow:0 6px 20px #2563eb73}.floating-btn-primary:hover{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 8px 26px #3b82f699}.toast-container{position:fixed;top:24px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--radius-full);background:#0f172af2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);box-shadow:0 10px 30px #00000080,0 0 20px var(--accent-glow);color:#fff;font-size:13.5px;font-weight:600;opacity:0;transform:translateY(-16px) scale(.95);transition:all .25s cubic-bezier(.16,1,.3,1);pointer-events:auto}.toast.show{opacity:1;transform:translateY(0) scale(1)}.toast-icon{display:flex;align-items:center;justify-content:center;color:var(--success-color)}.toast-message{line-height:1.4}