:root{--bg:#f6f1e8;--surface:#fffdf8;--ink:#1f1a14;--muted:#6b5f52;--accent:#c45c26;--accent-soft:#f4dcc8;--border:#e6d9c8;--success:#2a6b45;--shadow:0 8px 24px rgb(31 26 20/8%);font-family:Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}h1,h2,p{margin:0}.app-shell{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:16px 16px 88px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.brand{font-weight:700;letter-spacing:-.02em}.brand small{display:block;color:var(--muted);font-size:12px;font-weight:500}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.hero-total{font-size:36px;font-weight:700;margin:8px 0 4px}.label,.muted{color:var(--muted)}.label{font-size:12px;text-transform:uppercase;letter-spacing:.06em}.expense-list{display:grid;grid-gap:10px;gap:10px;margin-top:16px}.expense-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.expense-row:last-child{border-bottom:0}.expense-row strong{display:block}.expense-row small{color:var(--muted)}.chip{display:inline-flex;padding:4px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:600}.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;width:min(448px,calc(100% - 32px));display:grid;grid-template-columns:1fr 1.2fr 1fr;grid-gap:8px;gap:8px;padding:8px;background:rgb(255 253 248/92%);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow)}.nav-link,.nav-primary{text-align:center;padding:12px 8px;border-radius:999px;font-size:13px;font-weight:600}.nav-primary{background:var(--accent);color:white}.nav-link.active{background:var(--accent-soft);color:var(--accent)}.form{display:grid;grid-gap:14px;gap:14px}.field{display:grid;grid-gap:6px;gap:6px}.field input,.field select{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:white}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;border:0;border-radius:12px;background:var(--accent);color:white;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:white;color:var(--ink);border:1px solid var(--border)}.capture-box{border:2px dashed var(--border);border-radius:16px;padding:28px 16px;text-align:center;background:white}.preview-image{width:100%;max-height:220px;object-fit:cover;border-radius:12px}.login-page{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{width:min(400px,100%);display:grid;grid-gap:16px;gap:16px;padding:28px;background:var(--surface);border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow)}.category-grid{display:flex;flex-wrap:wrap;gap:8px}.category-btn{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:white;cursor:pointer}.category-btn.active{background:var(--accent);border-color:var(--accent);color:white}