:root{--bg: #f5f7fa;--panel: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--primary: #2f6fed;--primary-dark: #1d4fc4;--danger: #dc2626;--ok: #16a34a}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar .logo{font-weight:700;font-size:16px}.topbar .logo span{color:var(--primary)}.topbar .spacer{flex:1}.badge{font-size:12px;padding:2px 10px;border-radius:10px;background:#eef2ff;color:var(--primary)}.badge.ok{background:#dcfce7;color:var(--ok)}.badge.err{background:#fee2e2;color:var(--danger)}.main{flex:1;display:flex;min-height:0}.panel{width:360px;background:var(--panel);border-right:1px solid var(--border);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.panel h3{margin:0 0 4px;font-size:14px}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}.field input,.field select{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;outline:none;background:#fff;color:var(--text)}.field input:focus{border-color:var(--primary)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn{padding:9px 14px;border:none;border-radius:6px;cursor:pointer;font-size:13px;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:#eef2f7;color:var(--text)}.btn.ghost:hover{background:#dfe7f0}.btn.danger{background:var(--danger)}.logbox{flex:1;min-height:140px;overflow-y:auto;background:#0f172a;color:#cbd5e1;border-radius:8px;padding:10px;font-family:Consolas,monospace;font-size:12px;line-height:1.5}.logbox .err{color:#f87171}.screen-area{flex:1;display:flex;flex-direction:column;min-width:0;background:#111827;position:relative}.screen-stage{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:0}.screen-stage canvas{background:#000;outline:none;max-width:100%;max-height:100%;box-shadow:0 0 0 1px #ffffff14;cursor:default}.toolbar{position:absolute;top:10px;left:50%;transform:translate(-50%);display:flex;gap:6px;align-items:center;background:#fffffff0;border-radius:8px;padding:6px 10px;box-shadow:0 4px 16px #00000040;flex-wrap:wrap;z-index:5}.toolbar button,.toolbar select{border:1px solid var(--border);background:#fff;color:var(--text);border-radius:6px;padding:5px 10px;font-size:12px;cursor:pointer}.toolbar button:hover{background:#eef2f7}.toolbar .sep{width:1px;height:18px;background:var(--border)}.statusbar{background:var(--panel);border-top:1px solid var(--border);padding:6px 14px;font-size:12px;color:var(--muted);display:flex;gap:16px;align-items:center}.placeholder{flex:1;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;color:#9ca3af}.placeholder .big{font-size:42px}.password-prompt{position:absolute;z-index:10;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--panel);padding:20px;border-radius:10px;box-shadow:0 8px 30px #0000004d;display:flex;flex-direction:column;gap:10px;min-width:300px}