:root{--bg: #0b1410;--surface: #11201a;--surface-2: #16291f;--border: #244135;--text: #e8f1ec;--muted: #9bb3a8;--accent: #3ddc97;--accent-deep: #0b3d2e;--danger: #ff6b6b;--radius: 12px;--maxw: 1080px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.app{display:flex;flex-direction:column;min-height:100vh}main{flex:1}.nav{border-bottom:1px solid var(--border);background:#0b1410e6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.nav 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var(--border);vertical-align:top}.calc-amount{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.calc-sub{display:block;color:var(--muted);font-size:.82rem;margin-top:.15rem}.calc-table tfoot td{border-bottom:none;padding-top:.9rem;font-weight:700}.calc-total{color:var(--accent);font-size:1.4rem}.calc-note{color:var(--muted);font-size:.85rem;margin:.9rem 0 0}.auth-wrap{max-width:420px;margin:3rem auto}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem}.field{margin-bottom:1rem;display:flex;flex-direction:column}.field label{margin-bottom:.35rem;font-weight:600}.field input{padding:.65rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:1rem}.field input:focus{outline:2px solid var(--accent)}.form-error{background:#ff6b6b1f;border:1px solid var(--danger);color:#ffd0d0;padding:.6rem 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