:root{color-scheme:light;--bg: #f3f6fb;--surface: #ffffff;--surface-soft: #f8fafc;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--primary: #0f766e;--primary-dark: #115e59;--danger: #dc2626;--secondary: #475569;--spent: #b45309;--shadow: 0 10px 30px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,#eef6ff 0%,var(--bg) 180px,var(--bg) 100%);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:100%;max-width:480px;margin:0 auto;padding:16px}.app-shell{padding-bottom:32px}.topbar-wrap{padding:12px 12px 0}.topbar{background:#ffffffdb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.page-stack{display:flex;flex-direction:column;gap:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.form-grid{display:flex;flex-direction:column;gap:12px}.form-grid .row{gap:10px}input,select,textarea{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:#fff;color:var(--text)}input::placeholder,textarea::placeholder{color:#94a3b8}button{min-height:48px;padding:12px 18px;border:0;border-radius:14px;cursor:pointer;background:var(--primary);color:#fff;font-weight:600}button:hover{background:var(--primary-dark)}button:disabled{opacity:.6;cursor:not-allowed}button:active{transform:translateY(1px) scale(.99)}.secondary-btn{background:var(--surface-soft);color:var(--secondary);border:1px solid var(--border)}.secondary-btn:hover{background:#eef2f7}.danger-btn{background:#ef4444;color:#fff}.danger-btn:hover{background:#dc2626}.page-title{margin:0 0 4px;font-size:22px;font-weight:700;line-height:1.2}.section-title{margin:0 0 12px;font-size:18px;font-weight:700}.body-text,.helper-text{margin:0;font-size:14px;line-height:1.6;color:var(--muted)}.helper-text{margin-top:8px}.nav-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}.nav-link{font-size:14px;color:var(--secondary)}.user-chip{display:inline-flex;align-items:center;min-height:32px;padding:6px 10px;background:var(--surface-soft);border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--muted)}.hero-metric{font-size:34px;line-height:1.1;font-weight:800;color:var(--primary);margin:10px 0 4px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.summary-item{padding:12px;border-radius:14px;background:var(--surface-soft);border:1px solid var(--border)}.summary-label{font-size:12px;color:var(--muted);margin-bottom:6px}.summary-value{font-size:18px;font-weight:700}.summary-value--spent{color:var(--spent)}.summary-value--remain{color:var(--primary)}.progress-track{width:100%;height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden;margin-top:14px}.progress-fill{height:100%;background:linear-gradient(90deg,#14b8a6,#0f766e);transition:width .2s ease}.expense-list{list-style:none;padding:0;margin:0}.expense-item{border-bottom:1px solid var(--border);padding:14px 0}.expense-item:last-child{border-bottom:0;padding-bottom:0}.expense-main{font-size:15px;font-weight:600;line-height:1.5}.expense-meta{font-size:13px;color:var(--muted);margin-top:6px}.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.secondary-btn{background:var(--secondary)}.secondary-btn:hover{background:#334155}.danger-btn{background:var(--danger)}.danger-btn:hover{background:#b91c1c}.text-danger{color:var(--danger)}.auth-card{padding:20px 16px}.auth-form{display:flex;flex-direction:column;gap:12px;margin-top:14px}@media (min-width: 640px){.container{padding:20px}.card{padding:18px}}.text-success{color:var(--primary)}