:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;color:#1f2937;background:#f7f9fc}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}.container{max-width:1200px;margin:0 auto;padding:24px 16px 56px}.app-header{background:#fff;border:1px solid #d9e2ef;border-radius:16px;padding:20px 22px;margin-bottom:14px}.eyebrow{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.06em;color:#0057b8;text-transform:uppercase}.app-header h1{margin:8px 0 4px;font-size:clamp(1.5rem,2.7vw,2.2rem)}.subtitle{margin:0 0 6px;font-weight:600;color:#344054}.description{margin:0;color:#475467}.mode-switcher{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}.mode-button{border:1px solid #d9e2ef;background:#fff;border-radius:12px;text-align:left;padding:12px;cursor:pointer;display:grid;gap:4px}.mode-button.active{border-color:#0057b8;box-shadow:inset 0 0 0 1px #0057b8;background:#eef6ff}.mode-label{font-weight:700}.mode-summary{color:#475467;font-size:.88rem}.demo-layout{display:grid;grid-template-columns:320px 1fr;gap:14px}.stack{display:grid;gap:14px}.panel{background:#fff;border:1px solid #d9e2ef;border-radius:14px;padding:16px}.panel h3{margin:0 0 12px;font-size:1.02rem}.panel h4{margin:0 0 8px}.item-list{margin:0;padding:0;list-style:none;display:grid;gap:8px}.item-button{width:100%;border:1px solid #d9e2ef;background:#fff;border-radius:10px;padding:10px;text-align:left;cursor:pointer;display:grid;gap:2px}.item-button.selected{border-color:#0057b8;box-shadow:inset 0 0 0 1px #0057b8;background:#eff6ff}.item-button small{color:#475467}.kv-grid{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.kv-grid div{background:#f8fbff;border:1px solid #e5edf6;border-radius:8px;padding:10px}.kv-grid dt{font-size:.82rem;color:#667085}.kv-grid dd{margin:4px 0 0;font-weight:600}.meta-block{margin-top:14px}.meta-block ul{margin:0;padding-left:18px}.action-row{display:flex;flex-wrap:wrap;gap:8px}.action-row button,.wizard-footer button,.confirm-box button{border:1px solid #c4d7ee;background:#fff;border-radius:8px;padding:8px 12px;cursor:pointer}.action-row button:hover,.wizard-footer button:hover,.confirm-box button:hover,.mode-button:hover,.item-button:hover{background:#f7fbff}button.primary{border-color:#0057b8;background:#0057b8;color:#fff}button:disabled{opacity:.45;cursor:not-allowed}.event-log{margin:12px 0 0;color:#344054;background:#f8fbff;border:1px solid #e5edf6;border-radius:8px;padding:10px}.stepper{margin:0 0 14px;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.step-item{border:1px solid #d9e2ef;border-radius:8px;padding:8px;text-align:center;color:#667085;font-size:.86rem}.step-item.done{border-color:#9ac2ed;color:#0057b8}.step-item.current{border-color:#0057b8;box-shadow:inset 0 0 0 1px #0057b8;color:#0057b8;font-weight:700}.wizard-body{margin-bottom:12px}.wizard-footer{display:flex;justify-content:space-between;align-items:center}.form-grid{display:grid;gap:10px}.form-grid label{display:grid;gap:6px;color:#344054}.form-grid input,.form-grid select{border:1px solid #cfd9e7;border-radius:8px;padding:9px 10px}.checkbox-row{grid-auto-flow:column;justify-content:start;align-items:center}.confirm-box{background:#f8fbff;border:1px solid #e5edf6;border-radius:10px;padding:12px}.confirm-box ul{margin:8px 0 0;padding-left:18px}.done-message{margin:0;color:#0057b8;font-weight:700}@media (max-width: 980px){.demo-layout{grid-template-columns:1fr}.stepper{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 760px){.container{padding:14px 12px 40px}.mode-switcher,.kv-grid{grid-template-columns:1fr}.wizard-footer{gap:8px}.wizard-footer button{width:100%}}