:root{--background:#ffffff;--surface:#ffffff;--surface-muted:#f6faf8;--surface-strong:#eef7f3;--text:#1f2933;--muted:#5b6773;--border:#d9e2dc;--primary:#0f766e;--primary-strong:#0b5f59;--accent:#2563eb;--danger:#b42318;--warning:#a15c07;--success:#16803c;--shadow:0 14px 30px rgba(31,41,51,0.08)}*{box-sizing:border-box}body,html{background:var(--background)}body{margin:0;color:var(--text);font-family:Arial,Helvetica,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}.page{min-height:100vh;background:#ffffff}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.stack{display:grid;grid-gap:16px;gap:16px}.card{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;padding:0 18px;background:var(--primary);color:#ffffff;font-weight:700;transition:background .16s ease,border-color .16s ease,color .16s ease}.button:hover{background:var(--primary-strong)}.button.secondary{border-color:var(--border);background:#ffffff;color:var(--text)}.button.secondary:hover{border-color:var(--primary);color:var(--primary)}.button.danger{background:var(--danger)}.button.full{width:100%}.field{display:grid;grid-gap:6px;gap:6px}.field label{color:var(--text);font-size:.92rem;font-weight:700}.field input,.field select,.field textarea{width:100%;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:10px 12px;background:#ffffff;color:var(--text)}.field textarea{min-height:140px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);outline:3px solid rgba(15,118,110,.14)}.error{color:var(--danger);font-size:.92rem}.muted{color:var(--muted)}.badge{display:inline-flex;align-items:center;border-radius:8px;padding:4px 8px;background:var(--surface-strong);color:var(--primary-strong);font-size:.85rem;font-weight:700}.badge.success{background:#e8f7ee;color:var(--success)}.badge.warning{background:#fff5e6;color:var(--warning)}.badge.danger{background:#fff0ef;color:var(--danger)}.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:8px}table{width:100%;min-width:760px;border-collapse:collapse;background:#ffffff}td,th{border-bottom:1px solid var(--border);padding:14px;text-align:left;vertical-align:top}th{background:var(--surface-muted);color:var(--muted);font-size:.86rem}td{color:var(--text)}.actions{display:flex;flex-wrap:wrap;gap:8px}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr;background:#ffffff}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;border-right:1px solid var(--border);padding:24px 18px;background:var(--surface-muted)}.brand{display:grid;grid-gap:4px;gap:4px;margin-bottom:28px}.brand strong{font-size:1.15rem}.nav{display:grid;grid-gap:8px;gap:8px}.nav a,.nav button{width:100%;min-height:42px;border:0;border-radius:8px;padding:0 12px;background:transparent;color:var(--text);text-align:left;font-weight:700}.nav a:hover,.nav button:hover{background:#ffffff}.main{min-width:0;padding:28px}.page-title{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.page-title h1{margin:0;font-size:2rem}.page-title p{margin:6px 0 0;color:var(--muted)}.grid{display:grid;grid-gap:16px;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{padding:18px}.stat span{color:var(--muted);font-size:.9rem}.stat strong{display:block;margin-top:8px;font-size:2rem}.contract-preview{min-height:260px;white-space:pre-wrap;line-height:1.65;color:var(--text)}.public-header{border-bottom:1px solid var(--border);background:#ffffff}.public-header .container{display:flex;min-height:72px;align-items:center;justify-content:space-between}.signature-box{width:100%;border:1px solid var(--border);border-radius:8px;background:#ffffff;touch-action:none}.camera-panel{display:grid;grid-gap:12px;gap:12px}.camera-preview{width:min(100%,420px);aspect-ratio:4/3;border:1px solid var(--border);border-radius:8px;background:var(--surface-muted);object-fit:cover}.success-mark{width:88px;height:88px;display:grid;place-items:center;border-radius:50%;background:#e8f7ee;color:var(--success);font-size:3rem;font-weight:700}.landing-title{margin:18px 0 12px;font-size:4rem;line-height:1.05}@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--border)}.nav{grid-template-columns:repeat(3,minmax(0,1fr))}.main{padding:22px 16px}.grid.four,.grid.two{grid-template-columns:1fr}.page-title{display:grid}}@media (max-width:560px){.container{width:min(100% - 24px,1120px)}.nav{grid-template-columns:1fr 1fr}.page-title h1{font-size:1.55rem}.landing-title{font-size:2.35rem}.button{width:100%}.actions .button{width:auto}}