.sf-container{--sf-bg: #07111f;--sf-panel: rgba(15, 23, 42, .92);--sf-panel-2: rgba(30, 41, 59, .88);--sf-code: #0b1220;--sf-code-soft: #111827;--sf-border: rgba(148, 163, 184, .18);--sf-border-strong: rgba(56, 189, 248, .36);--sf-text: #f8fafc;--sf-muted: #94a3b8;--sf-soft: #cbd5e1;--sf-primary: #38bdf8;--sf-primary-2: #6366f1;--sf-success: #22c55e;--sf-danger: #ef4444;--sf-warning: #f59e0b;--sf-shadow: 0 22px 70px rgba(2, 6, 23, .38);--sf-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--sf-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;min-height:100vh;padding:24px;color:var(--sf-text);background:radial-gradient(circle at 10% 0%,rgba(56,189,248,.16),transparent 30%),radial-gradient(circle at 88% 12%,rgba(99,102,241,.18),transparent 32%),linear-gradient(180deg,#07111f,#0f172a);font-family:var(--sf-sans)}.sf-theme-light{--sf-bg: #f3f7fb;--sf-panel: rgba(255, 255, 255, .94);--sf-panel-2: rgba(248, 250, 252, .96);--sf-code: #ffffff;--sf-code-soft: #f8fafc;--sf-border: rgba(15, 23, 42, .12);--sf-border-strong: rgba(2, 132, 199, .32);--sf-text: #0f172a;--sf-muted: #64748b;--sf-soft: #334155;--sf-shadow: 0 18px 48px rgba(15, 23, 42, .12);background:radial-gradient(circle at 12% 0%,rgba(14,165,233,.13),transparent 30%),radial-gradient(circle at 88% 12%,rgba(99,102,241,.11),transparent 32%),linear-gradient(180deg,#eef6ff,#f8fafc)}.sf-shell{max-width:1500px;margin:0 auto}.sf-hero,.sf-control-card,.sf-editor-card,.sf-ai-card{border:1px solid var(--sf-border);background:var(--sf-panel);box-shadow:var(--sf-shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.sf-hero{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:28px;border-radius:28px;margin-bottom:18px}.sf-kicker{display:inline-flex;width:fit-content;padding:5px 10px;border-radius:999px;background:#38bdf821;border:1px solid rgba(56,189,248,.22);color:var(--sf-primary);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.sf-hero h1{margin:12px 0 8px;font-size:clamp(28px,4vw,46px);line-height:1.05;letter-spacing:-.045em}.sf-hero p{max-width:760px;margin:0;color:var(--sf-soft);line-height:1.7}.sf-hero-actions,.sf-toolbar,.sf-stats,.sf-tabs,.sf-hints div,.sf-ai-result-head{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.sf-icon-btn,.sf-btn,.sf-tabs button,.sf-hints button,.sf-ai-modes button,.sf-ai-result-head button,.sf-apply-btn,.sf-fold-toggle{border:1px solid var(--sf-border);border-radius:12px;color:var(--sf-text);background:var(--sf-panel-2);cursor:pointer;font-family:var(--sf-sans);transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.sf-icon-btn,.sf-btn{min-height:38px;padding:9px 14px;font-size:13px;font-weight:700}.sf-icon-btn:hover,.sf-btn:hover,.sf-tabs button:hover,.sf-hints button:hover,.sf-ai-modes button:hover,.sf-ai-result-head button:hover,.sf-apply-btn:hover,.sf-fold-toggle:hover{transform:translateY(-1px);border-color:var(--sf-border-strong);box-shadow:0 10px 28px #38bdf81f}.sf-btn-primary{border-color:transparent;color:#00111f;background:linear-gradient(135deg,#67e8f9,#38bdf8)}.sf-btn-ai{width:100%;justify-content:center;border-color:transparent;color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6,#ec4899);box-shadow:0 16px 36px #6366f13d}.sf-btn-danger{color:#fecaca;border-color:#ef444447;background:#ef44441f}.sf-theme-light .sf-btn-primary{color:#083344}.sf-theme-light .sf-btn-danger{color:#b91c1c}.sf-btn:disabled{opacity:.62;cursor:not-allowed;transform:none}.sf-control-card{padding:18px;border-radius:22px;margin-bottom:18px}.sf-control-grid{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:12px;margin-bottom:14px}.sf-control-grid label,.sf-ai-prompt{display:flex;flex-direction:column;gap:7px;color:var(--sf-muted);font-size:12px;font-weight:800}.sf-control-grid select,.sf-ai-prompt textarea{width:100%;border:1px solid var(--sf-border);border-radius:12px;color:var(--sf-text);background:var(--sf-code-soft);outline:none;font:inherit}.sf-control-grid select{height:40px;padding:0 12px}.sf-control-grid select:focus,.sf-ai-prompt textarea:focus{border-color:var(--sf-primary);box-shadow:0 0 0 3px #38bdf829}.sf-check{justify-content:center;flex-direction:row!important;align-items:center;min-height:40px;padding:0 12px;border:1px solid var(--sf-border);border-radius:12px;background:var(--sf-code-soft)}.sf-check input{accent-color:var(--sf-primary)}.sf-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}.sf-editor-card,.sf-ai-card{overflow:hidden;border-radius:24px}.sf-card-head,.sf-ai-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--sf-border);background:#0f172a33}.sf-theme-light .sf-card-head,.sf-theme-light .sf-ai-head{background:#f8fafcc2}.sf-tabs{padding:4px;border-radius:14px;background:var(--sf-code-soft)}.sf-tabs button{padding:8px 12px;font-size:13px;font-weight:800;border:0;box-shadow:none}.sf-tabs button.active{color:#00111f;background:var(--sf-primary)}.sf-stats{color:var(--sf-muted);font-size:12px}.sf-stats span{padding:5px 8px;border-radius:999px;background:var(--sf-code-soft)}.sf-editor-box{display:flex;min-height:560px;background:var(--sf-code)}.sf-line-numbers{flex:0 0 58px;padding:18px 0;overflow:hidden;text-align:right;-webkit-user-select:none;user-select:none;border-right:1px solid var(--sf-border);background:var(--sf-code-soft)}.sf-line-number{height:24px;padding-right:12px;color:var(--sf-muted);font:13px/24px var(--sf-mono)}.sf-code-wrap{position:relative;flex:1;min-width:0}.sf-highlight-layer,.sf-textarea,.sf-preview,.sf-fold-view pre,.sf-ai-result pre{font:14px/24px var(--sf-mono);-moz-tab-size:4;tab-size:4}.sf-highlight-layer,.sf-textarea{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;padding:18px;overflow:auto;white-space:pre;box-sizing:border-box}.sf-highlight-layer{color:var(--sf-soft);pointer-events:none;background:transparent}.sf-textarea{z-index:1;border:0;resize:none;outline:none;background:transparent;color:var(--sf-text);caret-color:var(--sf-primary)}.sf-textarea.has-content{color:transparent}.sf-textarea::selection{background:#38bdf847;color:transparent}.sf-textarea::placeholder{color:var(--sf-muted)}.sf-preview,.sf-fold-view{min-height:560px;margin:0;padding:18px;overflow:auto;background:var(--sf-code);color:var(--sf-soft)}.sf-token-keyword{color:#38bdf8;font-weight:800}.sf-token-function{color:#a78bfa;font-weight:700}.sf-token-string{color:#86efac}.sf-token-number{color:#fbbf24}.sf-token-comment{color:#64748b;font-style:italic}.sf-token-operator{color:#fb7185}.sf-token-punctuation{color:#cbd5e1}.sf-token-identifier{color:var(--sf-soft)}.sf-theme-light .sf-token-keyword{color:#0369a1}.sf-theme-light .sf-token-function{color:#7c3aed}.sf-theme-light .sf-token-string{color:#047857}.sf-theme-light .sf-token-number{color:#b45309}.sf-theme-light .sf-token-comment{color:#64748b}.sf-theme-light .sf-token-operator{color:#be123c}.sf-theme-light .sf-token-punctuation{color:#334155}.sf-hints{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 18px;border-top:1px solid var(--sf-border);color:var(--sf-muted);font-size:12px}.sf-hints button{padding:5px 8px;color:var(--sf-primary);font:700 11px var(--sf-mono)}.sf-fold-view{display:flex;flex-direction:column;gap:12px}.sf-fold-block{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;padding:12px;border:1px solid var(--sf-border);border-radius:16px;background:#ffffff08}.sf-fold-toggle{height:34px;padding:0 10px;color:var(--sf-primary);font-size:12px;font-weight:800}.sf-fold-title{margin-bottom:8px;color:var(--sf-muted);font-size:12px;font-weight:800}.sf-fold-view pre{margin:0;overflow:auto;white-space:pre-wrap;color:var(--sf-soft)}.sf-fold-placeholder{color:var(--sf-muted)!important}.sf-empty{color:var(--sf-muted)}.sf-ai-card{position:sticky;top:18px;padding-bottom:16px}.sf-ai-head{display:block}.sf-ai-head h2{margin:10px 0 0;font-size:20px}.sf-ai-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px}.sf-ai-modes button{min-height:76px;padding:12px;text-align:left}.sf-ai-modes button.active{border-color:var(--sf-primary);background:#38bdf81f}.sf-ai-modes strong,.sf-ai-modes span{display:block}.sf-ai-modes strong{margin-bottom:4px;color:var(--sf-text)}.sf-ai-modes span{color:var(--sf-muted);font-size:12px;line-height:1.45}.sf-ai-prompt{padding:0 16px 14px}.sf-ai-prompt textarea{min-height:104px;padding:12px;resize:vertical;font-size:13px;line-height:1.6}.sf-ai-card>.sf-btn-ai{width:calc(100% - 32px);margin:0 16px 16px}.sf-ai-result{margin:0 16px;border:1px solid var(--sf-border);border-radius:16px;overflow:hidden;background:var(--sf-code)}.sf-ai-result-head{justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--sf-border);color:var(--sf-muted);font-size:12px;font-weight:800}.sf-ai-result-head button,.sf-apply-btn{padding:5px 9px;color:var(--sf-primary);font-size:12px;font-weight:800}.sf-ai-result pre{min-height:170px;max-height:360px;margin:0;padding:14px;overflow:auto;white-space:pre-wrap;color:var(--sf-soft)}.sf-apply-btn{width:calc(100% - 24px);margin:0 12px 12px}.sf-toast{position:fixed;top:24px;left:50%;z-index:10000;transform:translate(-50%);padding:11px 18px;border-radius:999px;color:#fff;background:#0f172af0;border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 42px #02061752;animation:sfFadeIn .22s ease;font-size:13px;font-weight:800}.sf-toast-success{background:#16a34af5}.sf-toast-error{background:#dc2626f5}.sf-toast-warn{background:#d97706f5}@keyframes sfFadeIn{0%{opacity:0;transform:translate(-50%,-14px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 1180px){.sf-layout{grid-template-columns:1fr}.sf-ai-card{position:static}.sf-control-grid{grid-template-columns:repeat(2,minmax(160px,1fr))}}@media (max-width: 760px){.sf-container{padding:12px}.sf-hero{flex-direction:column;align-items:flex-start;padding:20px;border-radius:20px}.sf-control-grid,.sf-ai-modes{grid-template-columns:1fr}.sf-card-head,.sf-hints{align-items:flex-start;flex-direction:column}.sf-editor-box,.sf-preview,.sf-fold-view{min-height:420px}.sf-line-numbers{flex-basis:46px}.sf-highlight-layer,.sf-textarea,.sf-preview,.sf-fold-view pre,.sf-ai-result pre{font-size:13px}.sf-fold-block{grid-template-columns:1fr}}