:root{--bg: #f7f7f8;--panel: #ffffff;--border: #e6e6e9;--text: #1e1e1e;--muted: #8a8a92;--accent: #4263eb;--danger: #e03131;--shadow: 0 2px 12px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;width:100%}body{color:var(--text);background:var(--bg);overflow:hidden}.app{display:flex;flex-direction:column;height:100vh}.toolbar{display:flex;align-items:center;gap:14px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);z-index:10;flex-wrap:wrap}.brand{font-weight:700;font-size:17px;letter-spacing:-.02em;margin-right:4px}.tool-group{display:flex;align-items:center;gap:4px;padding-right:14px;border-right:1px solid var(--border)}.tool-group:last-child{border-right:none}.tool-btn{display:grid;place-items:center;width:36px;height:36px;border:none;border-radius:8px;background:transparent;color:var(--text);cursor:pointer}.tool-btn:hover{background:#f0f0f3}.tool-btn.active{background:#e7ecfd;color:var(--accent)}.tool-btn:disabled{opacity:.35;cursor:default}.text-btn{border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:7px 12px;font-size:13px;font-weight:500;cursor:pointer;color:var(--text)}.text-btn:hover{background:#f0f0f3}.text-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.text-btn.primary:disabled{opacity:.4;cursor:default}.text-btn.danger{color:var(--danger);border-color:#f1c0c0}.text-btn.danger:hover{background:#fdf0f0}.text-btn.full{width:100%;margin-top:4px}.text-btn.temp-on{background:#fff4e6;border-color:#ffd8a8;color:#e8590c}.dur-input{width:52px;padding:6px;border:1px solid var(--border);border-radius:8px;font-size:13px;text-align:right}.dur-unit{font-size:12px;color:var(--muted);margin-left:-4px}.body{position:relative;flex:1;display:flex;min-height:0}.canvas-wrap{position:relative;flex:1;overflow:hidden;background-color:#fbfbfc;background-image:radial-gradient(#e3e3e8 1px,transparent 1px);background-size:24px 24px}.canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;background:#4263eb14;border:2px dashed var(--accent);border-radius:8px;pointer-events:none}.drop-card{background:var(--accent);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;box-shadow:var(--shadow)}.text-editor{position:absolute;margin:0;padding:0;border:none;outline:none;resize:none;overflow:hidden;background:transparent;font-family:system-ui,-apple-system,sans-serif;white-space:pre;min-width:40px;min-height:1em;z-index:5}.props{width:240px;background:var(--panel);border-left:1px solid var(--border);padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.section{display:flex;flex-direction:column;gap:6px}.section>label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}.swatch-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.swatch{width:22px;height:22px;border-radius:6px;border:1px solid var(--border);cursor:pointer;padding:0}.swatch.sel{outline:2px solid var(--accent);outline-offset:1px}.swatch.transparent{background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0}.swatch-row input[type=color]{width:26px;height:26px;padding:0;border:1px solid var(--border);border-radius:6px;background:none;cursor:pointer}.section input[type=range]{width:100%;accent-color:var(--accent)}.btn-row{display:flex;gap:6px;margin-top:6px}.mini-btn{min-width:30px;height:30px;padding:0 8px;border:1px solid var(--border);border-radius:7px;background:var(--panel);color:var(--text);font-size:14px;cursor:pointer}.mini-btn:hover{background:#f0f0f3}.mini-btn.on{background:#e7ecfd;border-color:var(--accent);color:var(--accent)}.mini-btn.wide{flex:1;font-size:12px;font-weight:500}.hints{margin-top:auto;font-size:11px;color:var(--muted);line-height:1.6;border-top:1px solid var(--border);padding-top:10px}.hints strong{color:var(--text);display:block;margin-bottom:4px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:grid;place-items:center;z-index:100}.modal{width:560px;max-width:92vw;background:var(--panel);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.modal.small{width:420px}.modal h3{margin:0 0 6px}.modal .sub{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.5}.modal textarea{width:100%;height:220px;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:10px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;outline:none}.modal textarea:focus{border-color:var(--accent)}.modal-row{display:flex;align-items:center;gap:8px;margin-top:12px}.modal-row .spacer{flex:1}.modal-row .kind{font-size:12px;color:var(--muted)}