@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Space+Grotesk:wght@500;600;700&family=Source+Sans+3:wght@400;500;600&display=swap";:root{--bg: #f4f7fb;--panel: #ffffff;--panel-soft: #eef4fc;--line: #d2dceb;--line-strong: #91a8c7;--text: #132033;--muted: #5f6f86;--accent: #0b84a5;--accent-strong: #0e5f94;--danger: #b24a4a;--ok: #2d8952}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(circle at 12% 12%,#d8f3ff 0%,transparent 38%),radial-gradient(circle at 90% 86%,#f5dcc4 0%,transparent 40%),var(--bg);font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app-shell{max-width:1600px;margin:0 auto;padding:16px}.app-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:14px;padding:16px;border-radius:14px;border:1px solid var(--line);background:linear-gradient(120deg,#fff,#f4f8ff 68%,#fff5ec)}.app-header h1{margin:0;font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-size:1.6rem;letter-spacing:-.02em}.header-subtitle{margin:6px 0 0;color:var(--muted)}.header-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.file-input{display:none}.btn{border:1px solid var(--line-strong);border-radius:10px;padding:8px 12px;font-size:.92rem;font-weight:600;cursor:pointer;background:#f3f8ff;color:#18314f;transition:all .15s ease}.btn:hover:not(:disabled){border-color:var(--accent-strong);background:#e5f2ff}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{border-color:var(--accent-strong);background:linear-gradient(130deg,#0f75b6,#0b84a5);color:#fff}.btn-primary:hover:not(:disabled){background:linear-gradient(130deg,#0f5a99,#0a6f8a)}.btn-secondary{background:#f3f8ff}.btn-danger{border-color:#c68f8f;background:#fff0f0;color:#7f2c2c}.workspace-grid{display:grid;grid-template-columns:minmax(460px,1.15fr) minmax(360px,.85fr);gap:14px;min-height:calc(100vh - 140px)}.panel{border:1px solid var(--line);border-radius:14px;background:var(--panel);display:flex;flex-direction:column;min-height:0;overflow:hidden}.panel-title-row{padding:12px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f9fbff,#f1f6ff);display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:700;font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:-.01em}.status-text{font-size:.82rem;color:var(--muted);font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:500}.panel-scroll{min-height:0;overflow:auto}.panel-scroll-editor{flex:1;padding:12px}.panel-scroll-html{flex:1;padding:10px 12px 14px}.editor-surface{position:relative;border:1px solid var(--line);border-radius:12px;overflow:visible;background:var(--panel-soft)}.editor-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;border-bottom:1px solid var(--line);background:linear-gradient(160deg,#f5fbff,#eaf2ff);z-index:20}.editor-toolbar.sticky{position:sticky;top:0}.editor-toolbar select,.editor-toolbar button,.floating-format select,.floating-format button,.floating-insert button{border:1px solid #98aec9;border-radius:8px;background:#fff;color:#1b3552;font-size:.8rem;font-weight:700;padding:6px 8px;cursor:pointer;line-height:1;transition:background .15s ease,border-color .15s ease,color .15s ease}.editor-toolbar button:hover,.editor-toolbar select:hover,.floating-format select:hover{border-color:var(--accent-strong);background:#f1f8ff}.editor-toolbar .is-active,.floating-format .is-active{background:#d8ecff;border-color:#458ac7;color:#0f4f86}.doc-editor{min-height:420px;padding:20px 22px;background:#fff;color:#111f31;outline:none;font-size:1.04rem;line-height:1.68}.doc-editor p{margin:0 0 .9em}.doc-editor .linked-visual-highlight{outline:2px solid #3c86c2;outline-offset:2px;background:#3d89c914;border-radius:6px}.doc-editor 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figcaption{padding:10px 12px 12px;color:#54647a;font-size:.88rem}.doc-editor div[data-node=ad-widget]{margin:1rem 0;border:1px dashed #6f95bc;background:#eaf4ff;border-radius:12px;padding:12px 14px;cursor:pointer}.doc-editor div[data-node=ad-widget]:hover{border-color:#2f7abb;box-shadow:0 0 0 3px #2e70ae29}.doc-editor div[data-node=ad-widget].linked-visual-highlight{box-shadow:0 0 0 4px #3d89c938}.ad-chip-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#1f5a89;margin-bottom:4px}.ad-chip-meta{font-size:.9rem;color:#284564}.ProseMirror-selectednode{outline:2px solid #4e8ec7;outline-offset:2px}.floating-insert,.floating-format{position:absolute;display:flex;align-items:center;gap:6px;background:#112237;border:1px solid #35557a;border-radius:999px;padding:6px;box-shadow:0 12px 24px #0e263e4d;z-index:30}.floating-format{border-radius:12px;background:#0f1b2d}.floating-insert.hidden,.floating-format.hidden{display:none}.floating-insert 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solid var(--line);padding:10px 0;z-index:10}.html-tools.sticky{position:sticky;top:0}.html-output{width:100%;min-height:320px;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff;color:#0e2338;font-family:SFMono-Regular,Menlo,Consolas,monospace;line-height:1.5;resize:none;overflow:hidden}.import-box{margin-top:12px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#f5f9ff;display:grid;gap:8px}.import-box label{font-weight:700;font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-size:.9rem}.import-box textarea{width:100%;min-height:120px;border:1px solid #b7c5d9;border-radius:8px;background:#fff;color:#1a2d43;padding:10px;resize:vertical}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#09122094;display:grid;place-items:center;padding:18px;z-index:50}.modal-card{width:min(620px,100%);border-radius:14px;background:#f8fbff;border:1px solid #b8cbe3;overflow:hidden;box-shadow:0 20px 44px 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rgba(33,115,173,.24);border-color:#4f8fbc}.modal-error{margin:0;color:var(--danger);font-weight:700;font-size:.86rem}.modal-actions{border-top:1px solid #c7d6ea;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:10px}.modal-actions>div{display:flex;gap:8px;align-items:center}@media (max-width: 1080px){.workspace-grid{grid-template-columns:1fr}.panel{min-height:0}.panel-scroll-editor{max-height:64vh}.app-header{flex-direction:column}}