:root{--bg-color:#0d1117;--surface-color:#1e293b99;--border-color:#ffffff1a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--color-green:#10b981;--color-yellow:#f59e0b;--color-red:#ef4444;--color-accent:#3b82f6;--color-accent-hover:#2563eb;--shadow-glass:0 8px 32px 0 #0000005e;--radius-lg:16px;--radius-md:12px;--radius-sm:8px;--transition-fast:.2s ease;--transition-normal:.3s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}h1{letter-spacing:-.02em;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}h2{margin-bottom:1rem;font-size:1.5rem;font-weight:600}p{color:var(--text-secondary);line-height:1.5}.glass-card{background:var(--surface-color);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-glass);padding:1.5rem}.input-group{flex-direction:column;gap:.5rem;margin-bottom:1rem;display:flex}.input-group label{color:var(--text-secondary);font-size:.875rem;font-weight:500}.input-field{border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);transition:border-color var(--transition-fast);background:#0f172a99;outline:none;padding:.75rem 1rem;font-family:inherit;font-size:1rem}.input-field:focus{border-color:var(--color-accent)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;display:inline-flex}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);background-color:#0000}.btn-outline:hover{background-color:#ffffff0d}.main-number{letter-spacing:-.04em;text-align:center;margin:1rem 0;font-size:4rem;font-weight:900;line-height:1.1}.number-green{color:var(--color-green)}.number-yellow{color:var(--color-yellow)}.number-red{color:var(--color-red)}.container{width:100%;max-width:600px;margin:0 auto;padding:2rem 1rem}.lock-overlay{justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.lock-overlay:after{content:"";background:inherit;-webkit-backdrop-filter:blur(8px);z-index:10;border-radius:var(--radius-lg);width:100%;height:100%;position:absolute;top:0;left:0}.lock-content{z-index:20;text-align:center;width:90%;padding:2rem 0;position:relative}.grid-2col{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.flex-row{flex-direction:row;gap:1rem;display:flex}.flex-row-2col{flex-direction:row;gap:2rem;width:100%;display:flex}.expense-form{align-items:center;gap:.5rem;display:flex}.expense-form .name-input{flex:1;min-width:0}.expense-form .amount-input{width:80px}.expense-form .add-btn{white-space:nowrap}@media (max-width:768px){.grid-2col{grid-template-columns:1fr}.flex-row{flex-direction:column}.flex-row-2col{flex-direction:column;gap:1.5rem}.expense-form{flex-wrap:wrap}.expense-form .name-input{flex:100%;min-width:100%}.expense-form .amount-input{flex:1;width:auto}.expense-form .add-btn{flex:none}}.sticky-header{z-index:50;-webkit-backdrop-filter:blur(12px);border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg);background:#0d1117f2;border-bottom:1px solid #ffffff1a;margin:-1.5rem -1.5rem 3rem;padding:1.5rem;position:sticky;top:-1.5rem;box-shadow:0 10px 30px -10px #00000080}@media (max-width:768px){.sticky-header{margin:-1.5rem -1.5rem 2rem;padding:1rem}.sticky-header .main-number{margin:.5rem 0;font-size:2.2rem}.sticky-header h3{margin-bottom:.75rem!important;font-size:.95rem!important}.sticky-header .flex-row{gap:.5rem}.sticky-header .flex-row>div{padding:.75rem!important}}