:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}html{margin:0;padding:0;width:100%;height:100%;overflow-x:hidden}body{margin:0;padding:0;width:100%;min-height:100vh;overflow-x:hidden}h1{margin:0}button{font-family:inherit;cursor:pointer}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app-shell{min-height:100vh;background:linear-gradient(135deg,#f7f7fb,#e9eefb);color:#1f2937;padding:24px}.panel{max-width:1080px;margin:0 auto;background:#ffffffeb;border:1px solid rgba(148,163,184,.25);border-radius:20px;padding:24px;box-shadow:0 20px 60px #0f172a14}.hero h1{margin:0;font-size:clamp(2rem,4vw,3rem)}.eyebrow{margin:0 0 8px;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:#4f46e5;font-weight:700}.lead{margin:10px 0 0;max-width:70ch;color:#4b5563}.settings{margin-top:24px;padding:18px;border:1px solid #e2e8f0;border-radius:16px;background:#fbfcff}.settings-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}.settings-head h2{margin:0;font-size:1.05rem}.settings-total{font-weight:700;color:#4f46e5}.year-select select{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px 14px;font:inherit;background:#fff}.year-select select:focus{outline:2px solid #6366f1;outline-offset:1px}.properties{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:16px}.property-card{border:1px solid #e2e8f0;border-radius:16px;padding:18px;background:#fff}.property-name{width:100%;margin-bottom:14px;border:1px solid transparent;border-radius:10px;padding:8px 10px;font:inherit;font-weight:700;background:#f1f5f9}.property-name:focus{outline:2px solid #6366f1;outline-offset:1px;background:#fff}.form-grid,.results-grid{display:grid;gap:16px;margin-top:16px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.results-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}label{display:grid;gap:8px;font-weight:600}input{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px 14px;font:inherit;background:#fff}input:focus{outline:2px solid #6366f1;outline-offset:1px}.money-input{display:flex;align-items:center;border:1px solid #cbd5e1;border-radius:12px;background:#fff;overflow:hidden}.money-input:focus-within{outline:2px solid #6366f1;outline-offset:1px}.money-prefix{padding:12px 0 12px 14px;color:#6b7280;font-weight:600}.money-input input{border:none;border-radius:0;padding:12px 14px;background:transparent}.money-input input:focus{outline:none}.result-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:18px}.result-card h2{margin:0 0 16px;font-size:1.1rem}dl{display:grid;gap:12px;margin:0}dl>div{display:flex;justify-content:space-between;gap:12px}dt{color:#6b7280}dd{margin:0;font-weight:700;text-align:right}.calc-note{display:block;margin-top:2px;font-weight:400;font-size:.78rem;color:#94a3b8;white-space:nowrap}.total-row{margin-top:4px;padding-top:12px;border-top:1px solid #e2e8f0;font-size:1.05rem}.total-row dt{color:#111827;font-weight:700}.total-row dd{color:#4f46e5}.month-row{font-size:1rem}.month-row dt{color:#111827;font-weight:600}.month-row dd{color:#4f46e5}.result-card p{margin:16px 0 0;color:#4b5563;font-size:.95rem}.summary{margin-top:24px;padding:18px;border:1px solid #e2e8f0;border-radius:16px;background:#f8fafc}.summary-amount{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.summary-amount span{color:#6b7280;font-weight:600}.summary-amount strong{font-size:1.4rem}.summary-amount .positive{color:#047857}.summary-amount .negative{color:#b91c1c}.summary p{margin:8px 0 0;color:#4b5563;font-size:.95rem}.login-shell{display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:380px;background:#fffffff2;border:1px solid rgba(148,163,184,.25);border-radius:20px;padding:28px;box-shadow:0 20px 60px #0f172a14;display:grid;gap:14px}.login-card h1{margin:0;font-size:1.5rem}.login-card p{margin:0;color:#4b5563}.login-card button{border:none;border-radius:12px;padding:12px 14px;font:inherit;font-weight:700;color:#fff;background:#4f46e5;cursor:pointer}.login-card button:hover{background:#4338ca}.login-error{margin:0;color:#b91c1c;font-weight:600}@media(max-width:760px){.app-shell{padding:12px}.form-grid,.results-grid,.properties{grid-template-columns:1fr}}