:root{--bg:#f4f7fb;--panel:#fff;--line:#dfe7f1;--text:#172033;--muted:#65738a;--blue:#1677ff;--nav:#0d2238;--nav2:#102b47;--green:#2e7d32;--shadow:0 6px 18px rgba(25,53,86,.08)}*{box-sizing:border-box}body{margin:0;font:14px/1.35 Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit}.app{display:grid;grid-template-columns:184px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--nav),#0a1c2e);color:#dbe8f5;padding:18px 12px;position:sticky;top:0;height:100vh}.brand{font-size:20px;font-weight:800;color:#fff;padding:4px 10px 22px}.nav a{display:flex;gap:10px;align-items:center;color:#d8e4ef;text-decoration:none;padding:10px 12px;border-radius:8px;margin:3px 0}.nav a.active,.nav a:hover{background:#173a5d;color:#fff}.main{padding:14px 18px 26px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.crumb{font-size:13px;color:#58718f}.top-actions{display:flex;gap:8px}.btn{border:1px solid #cfd9e6;background:#fff;border-radius:7px;padding:9px 13px;cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:#dc3545;border-color:#ffccd1}.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:10px}.step{padding:8px;border-radius:8px;color:#5c6d82}.step b{display:block;color:#1f2937}.step.active{background:#eef5ff;color:#1566d8;border-bottom:2px solid var(--blue)}.builder-grid{display:grid;grid-template-columns:220px minmax(360px,1fr) minmax(330px,.9fr) 300px;gap:10px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:12px}.panel h3{margin:0 0 10px;font-size:15px}.field-palette .item{background:#fff;border:1px solid #dde6f0;border-radius:7px;padding:9px 10px;margin:6px 0;cursor:grab;display:flex;justify-content:space-between}.palette-title{font-weight:700;margin:12px 0 6px}.form-title{font-weight:800;font-size:16px;margin-bottom:8px}.section{border:1px solid #dfe6ef;border-radius:9px;margin:8px 0;background:#fff;overflow:hidden}.section-head{padding:9px 10px;background:#f1f6fd;font-weight:700;display:flex;justify-content:space-between}.field-row{display:grid;grid-template-columns:24px 1fr auto auto;gap:8px;align-items:center;padding:8px 10px;border-top:1px solid #edf1f6}.field-row .type{color:#6a778a;background:#f4f7fb;border-radius:5px;padding:3px 7px;font-size:12px}.badge{padding:3px 7px;border-radius:999px;font-size:11px}.badge.req{background:#fff0f1;color:#dc3545}.badge.opt{background:#f4f7fb;color:#748297}.preview{background:#fff}.preview-top{display:flex;justify-content:space-between;margin-bottom:10px}.preview-card{border:1px solid #dde5ee;border-radius:10px;padding:18px;background:#fff}.logo-box{text-align:center;color:#1c4e33;margin-bottom:14px}.mini-steps{display:flex;justify-content:space-between;font-size:11px;color:#6d7c91;margin:12px 0 18px}.mini-steps span:first-child{color:var(--blue);font-weight:700}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.control label{font-size:12px;font-weight:600;display:block;margin-bottom:5px}.control input,.control select,.control textarea{width:100%;border:1px solid #d7e1eb;border-radius:6px;padding:9px}.upload{grid-column:1/-1;border:1px dashed #b8c7d8;border-radius:8px;padding:24px;text-align:center;color:#5f7186}.settings .group{margin-bottom:11px}.settings label{font-size:12px;font-weight:600;display:block;margin-bottom:5px}.settings input,.settings select,.settings textarea{width:100%;border:1px solid #d7e1eb;border-radius:6px;padding:8px}.toggle-row{display:flex;justify-content:space-between;align-items:center;margin:9px 0}.toggle{width:32px;height:18px;border-radius:9px;background:#cbd5e1;position:relative}.toggle.on{background:#1884ff}.toggle:after{content:'';position:absolute;width:14px;height:14px;border-radius:50%;background:#fff;top:2px;left:2px}.toggle.on:after{left:16px}.bottom-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:10px;margin-top:10px}.rule{display:grid;grid-template-columns:1fr 24px 1fr;gap:8px;align-items:center;margin:7px 0}.link-option{border:1px solid #dbe4ee;border-radius:8px;padding:10px;margin:6px 0}.link-option.active{border-color:#70aaff;background:#f3f8ff}.appearance-tabs{display:flex;gap:5px;margin-bottom:8px}.appearance-tabs button{border:0;background:#f2f6fb;padding:7px 9px;border-radius:6px}.appearance-tabs button.active{background:#e6f0ff;color:#1767d7}.swatches{display:grid;grid-template-columns:1fr 1fr;gap:8px}.swatch{border:1px solid #dde5ef;border-radius:7px;padding:8px}.swatch i{display:inline-block;width:18px;height:18px;border-radius:4px;vertical-align:middle;margin-right:6px}.statusbar{margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:10px}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f4f7fb;border-radius:6px;padding:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.muted{color:var(--muted)}.small{font-size:12px}.toast{position:fixed;right:22px;bottom:22px;background:#172033;color:#fff;padding:11px 14px;border-radius:8px;display:none}.drag-over{outline:2px dashed var(--blue);outline-offset:2px}@media(max-width:1250px){.builder-grid{grid-template-columns:220px 1fr 320px}.preview{grid-column:2/4}.bottom-grid{grid-template-columns:1fr}.app{grid-template-columns:160px 1fr}}@media(max-width:850px){.app{grid-template-columns:1fr}.sidebar{display:none}.builder-grid{grid-template-columns:1fr}.preview,.settings{grid-column:auto}.steps{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}}