:root{--text:#6b6375;--text-h:#08060d;--bg:#fefefe;--border:#e5e4e7;--code-bg:#f9f8fc;--accent:#aa3bff;--accent-gradient:linear-gradient(135deg, #aa3bff, #c084fc);--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--shadow:#00000014 0 10px 15px -3px, #0000000a 0 4px 6px -2px;--sans:"Inter", system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/1.6 var(--sans);color:var(--text);background:var(--bg)}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#d1d5db;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-gradient:linear-gradient(135deg, #c084fc, #a78bfa);--accent-bg:#c084fc26;--accent-border:#c084fc80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}}*{box-sizing:border-box;font-family:var(--sans);margin:0;padding:0}body{background:var(--bg);color:var(--text);margin:0;transition:background .3s,color .3s}#root{max-width:1200px;min-height:100vh;margin:auto;padding:20px}h1,h2,h3{color:var(--text-h);font-weight:600;line-height:1.3}h1{margin-bottom:24px;font-size:44px}@media (width<=768px){h1{font-size:32px}}h2{margin-bottom:14px;font-size:24px}h3{font-size:18px}.navbar{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:30px;padding:10px 20px;display:flex}.navbar .logo{align-items:center;gap:15px;display:flex}.navbar-logo{object-fit:contain;border-radius:10px;width:auto;height:70px}.navbar h1{color:var(--text-h);font-size:32px;font-weight:600}.navbar select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:8px 14px;font-size:15px;transition:all .2s}.navbar select:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-bg)}@media (width<=600px){.navbar{flex-direction:column;align-items:flex-start}.navbar select{width:100%;margin-top:10px}.navbar-logo{height:60px}.navbar h1{font-size:24px}}.card{background:var(--bg);border:1px solid var(--border);box-shadow:var(--shadow);text-align:left;border-radius:20px;width:100%;min-height:140px;margin-bottom:20px;padding:24px;transition:all .3s}.card:hover{transform:translateY(-5px);box-shadow:0 15px 25px #0000001a}.form input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:10px;margin-bottom:14px;padding:14px;font-size:16px;transition:all .3s}.form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.form button{background:var(--accent-gradient);color:#fff;cursor:pointer;letter-spacing:.5px;border:none;border-radius:10px;width:100%;padding:14px;font-weight:600;transition:all .3s}.form button:hover{opacity:.95;transform:translateY(-2px)}.transaction-item{border-bottom:1px solid var(--border);border-radius:10px;justify-content:space-between;align-items:center;padding:16px;transition:all .2s;display:flex}.transaction-item:hover{background:var(--accent-bg)}.title{color:var(--text-h);font-weight:600}.category{color:gray;font-size:13px}.amount{font-size:16px;font-weight:700}.amount.income{color:#16a34a}.amount.expense{color:#dc2626}.insights{grid-template-columns:1fr;gap:20px;margin-top:20px;display:grid}@media (width>=768px){.insights{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.insights{grid-template-columns:repeat(3,1fr)}}.insight-item{background:var(--code-bg);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:18px;transition:transform .3s,box-shadow .3s}.insight-item:hover{transform:translateY(-4px);box-shadow:0 15px 25px #0000001a}.insight-item p{color:var(--text);margin-bottom:6px;font-size:13px}.insight-item h4{color:var(--text-h);font-size:18px;font-weight:600}.chart-item{margin-bottom:22px}.chart-label{justify-content:space-between;margin-bottom:6px;font-size:14px;display:flex}.bar-bg{background:var(--border);border-radius:8px;width:100%;height:14px;overflow:hidden}.bar{border-radius:8px;height:100%}.income-bar{background:linear-gradient(90deg,#16a34a,#4ade80)}.expense-bar{background:linear-gradient(90deg,#dc2626,#f87171)}.filter-bar{flex-wrap:wrap;gap:12px;margin-bottom:20px;display:flex}.filter-bar input{border:1px solid var(--border);border-radius:10px;outline:none;flex:1;padding:12px;font-size:15px;transition:all .3s}.filter-bar input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.filter-bar select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:10px;outline:none;padding:12px;transition:all .3s}.filter-bar select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.empty{text-align:center;color:var(--text);padding:30px;font-size:16px;font-weight:500}@media (width<=600px){.transaction-item{flex-direction:column;align-items:flex-start;gap:8px}.filter-bar{flex-direction:column}}