.usa-loan-calculator { 
    max-width: 1100px; 
    margin: 30px auto; 
    background: #0f172a; 
    color: #e2e8f0; 
    border-radius: 16px; 
    overflow: hidden; 
    font-family: system-ui, sans-serif;
}
.header { 
    background: linear-gradient(135deg, #1e2937, #334155); 
    padding: 40px 30px; 
    text-align: center; 
}
.badge { 
    background: #eab308; 
    color: #0f172a; 
    padding: 8px 24px; 
    border-radius: 9999px; 
    font-weight: bold; 
    display: inline-block; 
}
h1 { font-size: 42px; margin: 15px 0; color: white; }
.loan-inputs { 
    padding: 30px; 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 20px; 
    background: white; 
    color: #111827; 
}
.input-row label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type=number], select { 
    width: 100%; 
    padding: 12px; 
    border: 2px solid #cbd5e1; 
    border-radius: 8px; 
    font-size: 17px; 
}
.calc-btn { 
    background: linear-gradient(90deg, #1e40af, #3b82f6); 
    color: white; 
    border: none; 
    padding: 18px; 
    font-size: 19px; 
    width: 100%; 
    margin: 20px 30px; 
    border-radius: 12px; 
    cursor: pointer; 
}
.results { 
    padding: 25px; 
    background: #0f172a; 
}
.summary { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); 
    gap: 15px; 
    background: #1e2937; 
    padding: 20px; 
    border-radius: 12px; 
}
.big { font-size: 34px; color: #eab308; font-weight: bold; }
.breakdown { display: flex; flex-wrap: wrap; gap: 15px; margin: 20px 0; }
.breakdown > div { background: #1e2937; padding: 12px 18px; border-radius: 8px; flex: 1; min-width: 140px; }
.progress { height: 14px; background: #334155; border-radius: 9999px; overflow: hidden; margin: 20px 0; }
.bar { height: 100%; background: linear-gradient(90deg, #1e40af, #60a5fa); width: 80%; }
.schedule-btn { background: transparent; color: #60a5fa; border: 2px solid #60a5fa; padding: 12px 28px; border-radius: 8px; }
.amort-table { width: 100%; border-collapse: collapse; margin-top: 15px; }
.amort-table th, .amort-table td { padding: 10px; border: 1px solid #334155; text-align: right; }
.amort-table th { background: #1e2937; }
.insight { background: #ecfdf5; color: #0f766e; padding: 20px; margin: 20px; border-left: 6px solid #10b981; border-radius: 8px; }