*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#080c14;--bg-2:#0d1220;--bg-3:#111827;--surface:#141b2d;--surface-2:#1a2338;--surface-3:#1f2b42;--border:#ffffff12;--border-2:#ffffff1f;--border-3:#ffffff2e;--blue:#3b82f6;--blue-light:#60a5fa;--violet:#8b5cf6;--violet-light:#a78bfa;--cyan:#06b6d4;--emerald:#10b981;--accent:#4f8ef7;--accent-glow:#4f8ef759;--accent-2:#7c3aed;--text-1:#f1f5f9;--text-2:#94a3b8;--text-3:#64748b;--text-4:#475569;--radius-sm:6px;--radius:12px;--radius-lg:18px;--radius-xl:24px;--shadow-sm:0 1px 3px #0006;--shadow:0 4px 20px #00000080;--shadow-lg:0 12px 48px #0009;--shadow-glow:0 0 40px #4f8ef726;--font-display:"Syne", sans-serif;--font-body:"DM Sans", sans-serif;--transition:all .18s 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var(--border-2);border-radius:var(--radius-lg);text-align:center;cursor:pointer;transition:var(--transition);background:var(--bg-3);padding:40px 24px;position:relative;overflow:hidden}.dropzone:before{content:"";opacity:0;background:linear-gradient(135deg,#4f8ef70a,#7c3aed0a);transition:opacity .2s;position:absolute;inset:0}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#4f8ef70a}.dropzone:hover:before,.dropzone.dragover:before{opacity:1}.dropzone.dragover{transform:scale(1.005);box-shadow:0 0 0 3px #4f8ef726,inset 0 0 30px #4f8ef70d}.dropzone-icon-wrap{background:linear-gradient(135deg,#4f8ef726,#7c3aed1a);border:1px solid #4f8ef733;border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 14px;font-size:22px;display:flex}.dropzone-label{color:var(--text-1);margin-bottom:6px;font-size:15px;font-weight:600}.dropzone-label 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var(--border);flex-direction:column;gap:12px;padding:24px;display:flex;overflow:auto}.sem-preview-hint{color:var(--text-4);text-align:center;font-size:11px}.sem-editor{flex-direction:column;display:flex;overflow:hidden}.sem-tabs{border-bottom:1px solid var(--border);flex-shrink:0;gap:0;padding:0 16px;display:flex}.sem-tab{color:var(--text-3);cursor:pointer;transition:var(--transition);font-size:13px;font-weight:500;font-family:var(--font-body);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:12px 16px}.sem-tab:hover{color:var(--text-1)}.sem-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.sem-fields{flex-direction:column;flex:1;gap:16px;padding:20px;display:flex;overflow-y:auto}.sem-field{flex-direction:column;gap:6px;display:flex}.sem-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-3);font-size:11px;font-weight:700}.sem-hint{color:var(--text-4);font-size:12px}.sem-input{background:var(--bg-3);border:1.5px solid 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var(--violet));color:#fff;font-family:var(--font-body);cursor:pointer;transition:var(--transition);border:none;padding:12px 20px;font-size:14px;font-weight:600;box-shadow:0 4px 16px #4f8ef74d}.sem-regen-btn:hover{opacity:.85;transform:translateY(-1px)}.sem-footer{border-top:1px solid var(--border);flex-shrink:0;justify-content:flex-end;align-items:center;gap:10px;padding:14px 24px;display:flex}.sem-cancel{border-radius:var(--radius);border:1.5px solid var(--border-2);color:var(--text-2);font-family:var(--font-body);cursor:pointer;transition:var(--transition);background:0 0;padding:9px 18px;font-size:13px}.sem-cancel:hover{border-color:var(--border-3);color:var(--text-1)}.sem-save{border-radius:var(--radius);background:linear-gradient(135deg, var(--blue), var(--violet));color:#fff;font-family:var(--font-body);cursor:pointer;transition:var(--transition);border:none;padding:10px 20px;font-size:14px;font-weight:600;box-shadow:0 4px 16px 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