:root{color-scheme:light;--bg: #f7f8fb;--panel: #ffffff;--panel-strong: #f0f4f8;--ink: #172033;--muted: #687386;--line: #dce3ec;--accent: #0f766e;--accent-strong: #115e59;--danger: #b42318;--shadow: 0 18px 60px rgba(31, 41, 55, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{min-height:100vh}.header-band{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:34px clamp(20px,5vw,64px) 22px;border-bottom:1px solid var(--line);background:#fff}.eyebrow{margin:0 0 6px;color:var(--accent);font-size:13px;font-weight:700}h1{margin:0;font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:0}.status-pill{display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--panel-strong);font-size:13px;white-space:nowrap}.status-pill span{width:8px;height:8px;border-radius:50%;background:#22c55e}.workspace{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:24px;padding:24px clamp(20px,5vw,64px) 48px}.sidebar,.content{min-width:0}.sidebar{align-self:start;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.section-title{display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--ink);font-size:15px;font-weight:800}.section-title.compact{margin-bottom:12px}.control-stack{display:grid;gap:10px}label{color:var(--muted);font-size:13px;font-weight:700}input{width:100%;min-height:42px;padding:0 12px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:#fff;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e26}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.wide-action,.button-row button,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border-radius:6px;background:var(--accent);color:#fff;font-weight:800}.wide-action{width:100%}.button-row .secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.helper-text{margin:-2px 0 2px;color:var(--muted);font-size:12px;line-height:1.5}.error{margin-top:14px;padding:10px 12px;border:1px solid rgba(180,35,24,.2);border-radius:6px;color:var(--danger);background:#fff5f4;font-size:13px;font-weight:700}.meta-list{display:grid;gap:10px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.meta-list div{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:28px}.meta-list span{color:var(--muted);font-size:13px}.meta-list strong{overflow-wrap:anywhere;font-size:13px}.content{display:grid;gap:16px}.warning-bar{padding:12px 14px;border:1px solid #f5c451;border-radius:8px;background:#fff8df;color:#7a4f00;font-size:14px;font-weight:800}.address-bar,.code-panel,.messages{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.address-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;padding:14px 16px}.address-main{display:flex;align-items:center;gap:10px;min-width:0;font-size:18px;font-weight:800}.address-main span{overflow-wrap:anywhere}.address-actions{display:flex;flex:0 0 auto;gap:8px}.icon-button{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}.code-panel{display:grid;gap:6px;min-height:168px;padding:22px;align-content:center}.code-panel span{color:var(--muted);font-size:14px;font-weight:800}.code-panel strong{font-size:clamp(42px,8vw,82px);line-height:1;letter-spacing:0}.code-panel small{color:var(--muted);font-size:14px}.messages{padding:18px}.message-list{display:grid;gap:10px}.message-card{display:grid;gap:8px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff}.message-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.message-top strong{font-size:22px;overflow-wrap:anywhere}.message-top time,.message-card span,.message-card p{color:var(--muted);font-size:13px}.message-card p{margin:0;color:var(--ink);font-size:15px;font-weight:700;overflow-wrap:anywhere}.empty-state{display:grid;place-items:center;min-height:140px;border:1px dashed var(--line);border-radius:8px;color:var(--muted);font-weight:700}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){.header-band{align-items:flex-start;flex-direction:column}.workspace{grid-template-columns:1fr}.address-bar{align-items:stretch;flex-direction:column}.address-actions{justify-content:flex-end}}