@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-base:#0b0b10;--bg-surface:#13131a;--bg-elevated:#1c1c26;--bg-hover:#22222e;--bg-input:#111118;--border-subtle:#1e1e2a;--border-default:#2a2a38;--border-strong:#3a3a50;--border-focus:#6c63ff;--text-primary:#e8e8f0;--text-secondary:#8888a8;--text-muted:#55556a;--text-inverse:#0b0b10;--accent-primary:#6c63ff;--accent-glow:#6c63ff4d;--accent-secondary:#ff6b9d;--accent-green:#39d353;--accent-amber:#f5a623;--accent-red:#ff4d4d;--accent-cyan:#00d4ff;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 20px #0006;--shadow-lg:0 8px 40px #00000080;--shadow-glow:0 0 30px #6c63ff26;--transition-fast:.12s ease;--transition-md:.22s ease;--transition-slow:.35s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:15px}body{font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);min-height:100dvh;line-height:1.6;overflow-x:hidden}#app{flex-direction:column;min-height:100dvh;display:flex}.header{padding:var(--space-3) var(--space-6);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);z-index:100;background:#0b0b10d9;justify-content:space-between;align-items:center;height:52px;display:flex;position:sticky;top:0}.header-brand{font-family:var(--font-sans);letter-spacing:-.02em;-webkit-user-select:none;user-select:none;align-items:center;gap:0;font-size:1rem;font-weight:600;display:flex}.header-brand .brand-app{color:var(--text-primary);cursor:pointer;transition:color var(--transition-fast);text-decoration:none}.header-brand .brand-app:hover{color:var(--accent-primary)}.header-brand .brand-sep{color:var(--text-muted);padding:0 2px;font-weight:300}.header-brand .brand-domain{color:var(--text-secondary);cursor:pointer;transition:color var(--transition-fast);font-weight:400;text-decoration:none}.header-brand .brand-domain:hover{color:var(--accent-secondary)}.header-actions{align-items:center;gap:var(--space-2);display:flex}.badge-offline{border-radius:var(--radius-full);color:var(--accent-green);letter-spacing:.04em;text-transform:uppercase;background:#39d3531a;border:1px solid #39d35333;align-items:center;gap:5px;padding:3px 10px;font-size:.7rem;font-weight:500;display:flex}.badge-offline:before{content:"";background:var(--accent-green);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse-green}@keyframes pulse-green{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.btn-icon{border-radius:var(--radius-sm);border:1px solid var(--border-default);background:var(--bg-elevated);width:34px;height:34px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:.85rem;display:flex}.btn-icon:hover{background:var(--bg-hover);border-color:var(--border-strong);color:var(--text-primary);transform:translateY(-1px)}.main-layout{width:100%;max-width:1400px;padding:var(--space-5) var(--space-6);gap:var(--space-4);flex-direction:column;flex:1;margin:0 auto;display:flex}.quick-actions{gap:var(--space-2);flex-wrap:wrap;align-items:center;display:flex}.quick-actions-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-right:var(--space-1);white-space:nowrap;font-size:.72rem;font-weight:500}.btn-quick{border-radius:var(--radius-full);border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-secondary);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;align-items:center;gap:6px;padding:5px 12px;font-size:.78rem;font-weight:500;display:flex}.btn-quick:hover{background:var(--bg-hover);border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-1px);box-shadow:0 0 12px #6c63ff26}.btn-quick.active{border-color:var(--accent-primary);color:var(--accent-primary);background:#6c63ff26}.editor-grid{gap:var(--space-4);flex:1;grid-template-columns:1fr 1fr;min-height:0;display:grid}@media (width<=768px){.editor-grid{grid-template-columns:1fr}.main-layout{padding:var(--space-3) var(--space-3)}}.pane{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:border-color var(--transition-fast);flex-direction:column;display:flex;overflow:hidden}.pane:focus-within{border-color:var(--border-focus);box-shadow:var(--shadow-glow)}.pane-header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated);justify-content:space-between;align-items:center;gap:var(--space-2);flex-shrink:0;display:flex}.pane-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:600}.pane-actions{align-items:center;gap:var(--space-2);display:flex}.btn-sm{border-radius:var(--radius-sm);border:1px solid var(--border-default);color:var(--text-secondary);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);background:0 0;align-items:center;gap:5px;padding:4px 10px;font-size:.73rem;font-weight:500;display:flex}.btn-sm:hover{background:var(--bg-hover);border-color:var(--border-strong);color:var(--text-primary)}.btn-sm.primary{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.btn-sm.primary:hover{background:#7b73ff;box-shadow:0 0 16px #6c63ff66}.btn-sm.danger{border-color:#0000}.btn-sm.danger:hover{border-color:var(--accent-red);color:var(--accent-red);background:#ff4d4d14}.textarea-wrapper{flex:1;position:relative;overflow:hidden}.text-input,.text-output{width:100%;height:100%;min-height:320px;padding:var(--space-4);background:var(--bg-input);color:var(--text-primary);font-family:var(--font-mono);resize:none;scrollbar-width:thin;scrollbar-color:var(--border-default) transparent;border:none;outline:none;font-size:.82rem;line-height:1.7}.text-input::placeholder{color:var(--text-muted);font-family:var(--font-sans);font-size:.85rem;line-height:1.5}.text-output{background:var(--bg-input);cursor:text}.text-input::-webkit-scrollbar{width:5px}.text-output::-webkit-scrollbar{width:5px}.text-input::-webkit-scrollbar-track{background:0 0}.text-output::-webkit-scrollbar-track{background:0 0}.text-input::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}.text-output::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}.stats-bar{align-items:center;gap:var(--space-4);padding:var(--space-2) var(--space-4);border-top:1px solid var(--border-subtle);background:var(--bg-elevated);flex-shrink:0;display:flex}.stat-item{flex-direction:column;gap:1px;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.62rem;font-weight:500}.stat-value{font-family:var(--font-mono);color:var(--text-secondary);transition:color var(--transition-fast);font-size:.8rem;font-weight:500}.stat-value.highlight{color:var(--accent-primary)}.ops-panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.ops-panel-header{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-subtle);background:var(--bg-elevated);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;display:flex}.ops-panel-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:var(--space-2);font-size:.75rem;font-weight:600;display:flex}.ops-panel-title .icon{font-size:.85rem}.chevron{color:var(--text-muted);transition:transform var(--transition-md);font-size:.7rem}.chevron.open{transform:rotate(180deg)}.ops-grid{gap:var(--space-2);padding:var(--space-3) var(--space-4);grid-template-columns:repeat(auto-fill,minmax(140px,1fr));display:grid}.ops-category{align-items:center;gap:var(--space-2);margin-top:var(--space-2);grid-column:1/-1;display:flex}.ops-category:first-child{margin-top:0}.ops-category-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;white-space:nowrap;font-size:.65rem;font-weight:600}.ops-category-line{background:var(--border-subtle);flex:1;height:1px}.btn-op{border-radius:var(--radius-sm);border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-secondary);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);text-align:left;white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:6px;padding:7px 12px;font-size:.75rem;font-weight:500;display:flex;overflow:hidden}.btn-op:hover{background:var(--bg-hover);border-color:var(--accent-primary);color:var(--text-primary);transform:translateY(-1px);box-shadow:0 3px 12px #0003}.btn-op:active{transform:translateY(0)}.btn-op .op-icon{flex-shrink:0;font-size:.8rem}.diff-line-add{color:var(--accent-green);background:#39d35314;display:block}.diff-line-del{color:var(--accent-red);background:#ff4d4d14;text-decoration:line-through;display:block}.processing-indicator{top:var(--space-3);right:var(--space-3);border-radius:var(--radius-full);color:var(--accent-primary);opacity:0;transition:opacity var(--transition-fast);pointer-events:none;z-index:10;background:#6c63ff1f;border:1px solid #6c63ff40;align-items:center;gap:6px;padding:4px 10px;font-size:.7rem;font-weight:500;display:flex;position:absolute}.processing-indicator.visible{opacity:1}.spinner{border:1.5px solid #6c63ff4d;border-top-color:var(--accent-primary);border-radius:50%;width:10px;height:10px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{bottom:var(--space-6);right:var(--space-6);gap:var(--space-2);z-index:1000;pointer-events:none;flex-direction:column;display:flex;position:fixed}.toast{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border-default);box-shadow:var(--shadow-lg);color:var(--text-primary);pointer-events:auto;max-width:320px;font-size:.82rem;animation:.2s slide-in-toast;display:flex}.toast.success{border-color:#39d35366}.toast.error{border-color:#ff4d4d66}.toast.info{border-color:#6c63ff66}.toast-icon{flex-shrink:0;font-size:1rem}@keyframes slide-in-toast{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slide-out-toast{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(20px)}}.toast.removing{animation:.2s forwards slide-out-toast}.advanced-section{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.advanced-header{padding:var(--space-3) var(--space-4);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.advanced-header:hover{background:var(--bg-elevated)}.advanced-title{align-items:center;gap:var(--space-2);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:600;display:flex}.advanced-body{padding:var(--space-5) var(--space-4);border-top:1px solid var(--border-subtle);display:none}.advanced-body.open{gap:var(--space-5);grid-template-columns:repeat(auto-fill,minmax(220px,1fr));display:grid}.setting-group{gap:var(--space-3);flex-direction:column;display:flex}.setting-group-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;padding-bottom:var(--space-2);border-bottom:1px solid var(--border-subtle);font-size:.68rem;font-weight:600}.setting-row{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.setting-label{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.setting-label-text{color:var(--text-primary);font-size:.78rem;font-weight:500}.setting-label-desc{color:var(--text-muted);font-size:.68rem}.toggle{flex-shrink:0;width:36px;height:20px;position:relative}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle-track{background:var(--border-strong);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast);position:absolute;inset:0}.toggle-track:after{content:"";width:14px;height:14px;transition:transform var(--transition-fast);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px}.toggle input:checked+.toggle-track{background:var(--accent-primary)}.toggle input:checked+.toggle-track:after{transform:translate(16px)}.setting-number{background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-sm);width:70px;color:var(--text-primary);font-family:var(--font-mono);text-align:right;transition:border-color var(--transition-fast);outline:none;padding:4px 8px;font-size:.78rem}.setting-number:focus{border-color:var(--accent-primary)}.btn-reset{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);border:1px solid var(--accent-red);color:var(--accent-red);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);margin-top:var(--space-3);background:0 0;font-size:.78rem;font-weight:500;display:flex}.btn-reset:hover{background:#ff4d4d1a}.history-panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden}.history-header{padding:var(--space-3) var(--space-4);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;display:flex}.history-header:hover{background:var(--bg-elevated)}.history-title{align-items:center;gap:var(--space-2);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:600;display:flex}.history-body{border-top:1px solid var(--border-subtle);max-height:280px;display:none;overflow-y:auto}.history-body.open{display:block}.history-empty{padding:var(--space-8) var(--space-4);text-align:center;color:var(--text-muted);font-size:.8rem}.history-item{align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-subtle);cursor:pointer;transition:background var(--transition-fast);display:flex}.history-item:last-child{border-bottom:none}.history-item:hover{background:var(--bg-elevated)}.history-item-preview{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.history-item-op{align-items:center;gap:var(--space-2);display:flex}.history-item-op-name{color:var(--accent-primary);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem;font-weight:600}.history-item-time{color:var(--text-muted);font-size:.65rem}.history-item-text{font-family:var(--font-mono);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.72rem;overflow:hidden}.history-item-delete{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;flex-shrink:0;padding:2px;font-size:.75rem;line-height:1}.history-item-delete:hover{color:var(--accent-red);background:#ff4d4d1a}.overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:500;opacity:0;pointer-events:none;transition:opacity var(--transition-md);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.overlay.visible{opacity:1;pointer-events:auto}.overlay-panel{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-6);width:min(500px,95vw);max-height:80vh;box-shadow:var(--shadow-lg);transition:transform var(--transition-md);overflow-y:auto;transform:translateY(10px)}.overlay.visible .overlay-panel{transform:translateY(0)}.overlay-title{color:var(--text-primary);margin-bottom:var(--space-4);justify-content:space-between;align-items:center;font-size:1rem;font-weight:600;display:flex}.btn-close{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;padding:4px;font-size:1.1rem}.btn-close:hover{color:var(--text-primary);background:var(--bg-hover)}.diff-highlight{font-family:var(--font-mono);padding:var(--space-4);background:var(--bg-input);white-space:pre-wrap;word-break:break-all;flex:1;font-size:.8rem;line-height:1.7;overflow:auto}ins{color:var(--accent-green);background:#39d35326;border-radius:2px;text-decoration:none}del{color:var(--accent-red);background:#ff4d4d1f;border-radius:2px;text-decoration:line-through}.loading-screen{background:var(--bg-base);z-index:9999;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:fixed;inset:0}.loading-screen.hidden{opacity:0;pointer-events:none}.loading-logo{font-family:var(--font-sans);color:var(--text-primary);letter-spacing:-.03em;font-size:1.4rem;font-weight:700}.loading-logo span{color:var(--accent-primary)}textarea:focus-visible{outline:none}*{scrollbar-width:thin;scrollbar-color:var(--border-default) transparent}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}@media (width<=640px){.header{padding:var(--space-2) var(--space-3)}.toast-container{bottom:var(--space-3);right:var(--space-3)}.quick-actions-label{display:none}.advanced-body.open{grid-template-columns:1fr}.badge-offline{display:none}}.visually-hidden{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.flex-1{flex:1}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}