:root{--brown-950:#24120d;--brown-900:#32170f;--orange:#e47b2c;--orange-dark:#c9631c;--cream:#f8f1e8;--white:#fff;--text:#29221f;--muted:#70655e;--border:#e5dbd1;--danger:#a84236;--success:#26734d}*{box-sizing:border-box}body{background:radial-gradient(circle at 80% 10%, #e47b2c1f, transparent 30%), linear-gradient(180deg, #fff, var(--cream));color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}.admin-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:36px 0 60px}.admin-header{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px;display:flex}.admin-header h1{color:var(--brown-950);letter-spacing:-.04em;margin:0;font-size:clamp(28px,4vw,42px)}.admin-header p{color:var(--muted);max-width:620px;margin:10px 0 0}.eyebrow{color:var(--orange-dark);letter-spacing:.16em;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:800;display:inline-block}.header-actions{flex-wrap:wrap;gap:10px;display:flex}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:18px;display:flex}.tab{border:1px solid var(--border);background:var(--white);color:var(--brown-900);font:inherit;cursor:pointer;border-radius:999px;padding:10px 16px;font-weight:700}.tab.active{background:var(--brown-900);border-color:var(--brown-900);color:var(--white)}.btn{font:inherit;cursor:pointer;border:none;border-radius:999px;padding:12px 18px;font-weight:700}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--brown-900);color:var(--white)}.btn-primary:hover:not(:disabled){background:var(--orange)}.btn-secondary{background:var(--white);border:1px solid var(--border);color:var(--brown-900)}.btn-danger{color:var(--danger);background:#f8e8e5}.status{border-radius:12px;margin-bottom:18px;padding:12px 16px;font-size:14px;font-weight:600}.status.ok{color:var(--success);background:#e8f5ee}.status.error{color:var(--danger);background:#f8e8e5}.status.info{color:var(--orange-dark);background:#fff4ea}.meta{color:var(--muted);margin-bottom:18px;font-size:13px}.exchange-list{gap:18px;display:grid}.exchange-card{background:var(--white);border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:0 10px 30px #2d190f0d}.exchange-top{grid-template-columns:1fr auto;align-items:start;gap:12px;margin-bottom:8px;display:grid}.exchange-name{color:var(--brown-950);margin:0;font-size:22px}.exchange-note{color:var(--muted);max-width:720px;margin:6px 0 0;font-size:14px}.field{gap:6px;margin-bottom:12px;display:grid}.field label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:800}.field input,.field textarea{border:1px solid var(--border);width:100%;font:inherit;color:var(--text);background:#fffaf6;border-radius:12px;padding:12px 14px}.field textarea{resize:vertical;min-height:84px}.pairs-head{justify-content:space-between;align-items:center;gap:12px;margin:10px 0 12px;display:flex}.pairs-head h3{color:var(--brown-900);margin:0;font-size:16px}.pair-row{grid-template-columns:1.2fr 1fr 1fr auto;align-items:center;gap:10px;margin-bottom:10px;display:grid}.pair-row input{border:1px solid var(--border);width:100%;font:inherit;color:var(--text);background:#fffaf6;border-radius:12px;padding:12px 14px}.empty-pairs{background:var(--cream);color:var(--muted);border-radius:12px;padding:14px;font-size:14px}.card-actions{border-top:1px solid var(--border);justify-content:flex-end;margin-top:16px;padding-top:16px;display:flex}.plans-editor{gap:18px;display:grid}.plan-row{grid-template-columns:1fr 1fr 1.2fr 1fr 1fr auto auto;align-items:center;gap:8px;margin-bottom:10px;display:grid}.plan-row.fixed-row{grid-template-columns:1fr 1fr .8fr 1fr 1fr auto}.plan-row input[type=text],.plan-row input[type=number],.plan-row input:not([type]){border:1px solid var(--border);width:100%;font:inherit;color:var(--text);background:#fffaf6;border-radius:12px;padding:10px 12px}.check-label{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;font-size:12px;font-weight:700;display:flex}@media (width<=800px){.admin-header,.exchange-top{grid-template-columns:1fr;display:grid}.pair-row,.plan-row,.plan-row.fixed-row{grid-template-columns:1fr}}