:root{--bg:#0f1419;--surface:#1a2332;--surface2:#243044;--text:#e8eef7;--muted:#8b9bb4;--accent:#3dd68c;--accent2:#4da3ff;--danger:#ff6b6b;--income:#3dd68c;--expense:#ff8a65;--border:#2d3a4f;--radius:12px;--font:"Segoe UI",system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.45;min-height:100%}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}main{max-width:480px;margin:0 auto;padding:1rem 1rem 5rem}h1,h2,h3{margin:0 0 .5rem;font-weight:650;letter-spacing:-.02em}h1{font-size:1.4rem}h2{font-size:1.1rem}.muted{color:var(--muted);font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:.75rem}.row{display:flex;gap:.5rem;align-items:center}.row.between{justify-content:space-between}.stack{gap:.6rem}.stack,label{display:flex;flex-direction:column}label{gap:.3rem;font-size:.85rem;color:var(--muted)}button,input,select,textarea{font:inherit}input,select,textarea{background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:.65rem .75rem;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent2);outline-offset:1px}.btn,button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:8px;background:var(--accent);color:#062416;font-weight:650;padding:.7rem 1rem;cursor:pointer;text-align:center;display:inline-block}.btn.secondary,button.secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn.danger,button.danger{background:var(--danger);color:#1a0505}button:disabled{opacity:.55;cursor:not-allowed}.nav{position:fixed;bottom:0;left:0;right:0;background:rgba(26,35,50,.95);border-top:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;z-index:20}.nav-inner{max-width:480px;width:100%;display:grid;grid-template-columns:repeat(5,1fr)}.progress{margin-top:.5rem;height:8px;background:var(--surface2);border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:var(--accent);border-radius:999px;transition:width .2s ease}.progress-bar.warn{background:#f0c14b}.progress-bar.over{background:var(--danger)}.budget-item{padding:.75rem 0;border-bottom:1px solid var(--border)}.budget-item:last-child{border-bottom:none;padding-bottom:0}.budget-item:first-child{padding-top:0}.nav a{color:var(--muted);text-decoration:none;text-align:center;padding:.75rem .5rem;font-size:.85rem;font-weight:600}.nav a.active,.nav a:hover{color:var(--accent);text-decoration:none}.stat{flex:1 1;min-width:0}.stat .label{font-size:.75rem;color:var(--muted)}.stat .value{font-size:1.05rem;font-weight:700}.stat .value.expense{color:var(--expense)}.stat .value.income{color:var(--income)}.chart{display:flex;align-items:flex-end;gap:.35rem;height:120px;margin-top:.75rem}.chart-bar{flex:1 1;background:linear-gradient(180deg,var(--accent2),#2a5f99);border-radius:6px 6px 2px 2px;min-height:4px;position:relative}.chart-labels{display:flex;gap:.35rem;margin-top:.35rem}.chart-labels span{flex:1 1;text-align:center;font-size:.65rem;color:var(--muted)}.tx-item{display:flex;justify-content:space-between;gap:.75rem;padding:.75rem 0;border-bottom:1px solid var(--border)}.tx-item:last-child{border-bottom:none;padding-bottom:0}.tx-item:first-child{padding-top:0}.amount-expense{color:var(--expense);font-weight:650}.amount-income{color:var(--income);font-weight:650}.error{color:var(--danger);font-size:.9rem}.success{color:var(--accent);font-size:.9rem}.badge{display:inline-block;font-size:.7rem;padding:.15rem .4rem;border-radius:999px;background:var(--surface2)}.badge,.empty{color:var(--muted)}.empty{text-align:center;padding:1.5rem 1rem}.header{margin-bottom:1rem}