:root{--accent:#2b6cb0;--card:#fff;--muted:#718096;--text-dark:#1a202c;--text-light:#f7fafc;--bg-light:#f8fafc;--border-light:#e2e8f0;--z1-color:#fff7e6;--z2-color:#e6f0ff;--z3-color:#e6ffed;--z4-color:#fff3e6;--z5-color:#ffe6ea;--tl-color:#e9e9ea;--th-color:#e9e9ea}.calc-container{min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b);color:var(--text-light);line-height:1.5;padding:20px;max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:18px}@media (min-width:900px){.calc-container{grid-template-columns:1fr 420px}}.calc-container h1{font-size:1.9rem;letter-spacing:.6px;transform:rotate(-1.5deg);text-shadow:0 6px 14px rgba(0,0,0,.7);margin:0 0 14px;background:linear-gradient(135deg,rgba(59,130,246,.15),rgba(99,102,241,.1));padding:15px;border-radius:12px;border:2px solid hsla(0,0%,100%,.3);text-align:center}.calc-container h1,.calc-container h2{font-family:Georgia,Times New Roman,serif;color:var(--card)}.calc-container h2{margin:6px 0;background:linear-gradient(135deg,hsla(0,0%,100%,.12),hsla(0,0%,100%,.06));padding:12px;border-radius:8px;border:2px solid hsla(0,0%,100%,.2)}.subtitle{color:var(--muted);margin-bottom:14px;font-size:1.05rem;text-align:center}.calc-card{background:linear-gradient(180deg,#0b1220,#07101a);border-radius:12px;padding:18px;box-shadow:0 8px 30px rgba(0,0,0,.7);border:2px solid hsla(0,0%,100%,.15)}.calc-panel{background:var(--bg-light);color:var(--text-dark);border-radius:12px;padding:18px;box-shadow:0 8px 30px rgba(0,0,0,.4);border:2px solid var(--border-light)}.calc-panel label{display:block;margin-top:12px;font-weight:700;color:var(--text-dark);font-size:.95rem}.calc-panel input,.calc-panel select{width:100%;padding:12px;margin-top:6px;border:2px solid var(--border-light);border-radius:8px;font-size:1rem;background:#fff;color:var(--text-dark);transition:all .3s ease}.calc-panel input:focus,.calc-panel select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(43,108,176,.2)}.calc-panel button{display:inline-block;padding:12px 20px;border-radius:10px;border:0;background:var(--accent);color:#fff;font-weight:800;margin-top:16px;cursor:pointer;font-size:1rem;transition:all .3s ease}.calc-panel button:hover{background:#2c5282;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}.small{font-size:.95rem;color:var(--text-dark);line-height:1.5}.calc-card .small,.note{color:var(--text-light)}.note{font-size:.95rem;background:#1a202c;padding:14px;border-radius:8px;margin:16px 0;border:2px solid hsla(0,0%,100%,.1)}.footer-note{font-size:.88rem;color:var(--muted);margin-top:8px}.zone-description{background:linear-gradient(135deg,#1e293b,#334155);border-radius:8px;padding:15px;margin:10px 0;border:2px solid hsla(0,0%,100%,.1)}.zone-description.z1{border-left:6px solid #fbbf24}.zone-description.z2{border-left:6px solid #60a5fa}.zone-description.z3{border-left:6px solid #34d399}.zone-description.th,.zone-description.tl{border-left:6px solid #9ca3af}.zone-description.z4{border-left:6px solid #fb923c}.zone-description.z5{border-left:6px solid #f87171}.calculator-title{font-family:Georgia,Times New Roman,serif;font-size:1.5rem;color:var(--text-dark);text-align:center;margin-bottom:16px;padding:12px;background:linear-gradient(135deg,#e6f0ff,#f0f4ff);border-radius:8px;border:2px solid rgba(43,108,176,.3)}.result-section{margin-top:20px;padding:18px;background:#fff;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);border:2px solid var(--border-light)}.result-section h3,.result-section h4{color:var(--text-dark);margin-top:0}.result-section table{width:100%;border-collapse:collapse;margin-top:12px;background:transparent;color:inherit;border-radius:8px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.1);border:2px solid hsla(0,0%,100%,.1)}.result-section td,.result-section th{padding:12px;border:1px solid rgba(0,0,0,.1);text-align:center}.result-section th{background:rgba(43,108,176,.1);color:var(--text-dark);font-weight:700}.result-section td{background:#fff;color:var(--text-dark)}.result-section .zone-Z1{background:var(--z1-color)}.result-section .zone-Z2{background:var(--z2-color)}.result-section .zone-TL{background:var(--tl-color)}.result-section .zone-Z3{background:var(--z3-color)}.result-section .zone-TH{background:var(--th-color)}.result-section .zone-Z4{background:var(--z4-color)}.result-section .zone-Z5{background:var(--z5-color)}.suggested-fields{padding:20px;border:2px solid #333;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.4);background-color:#2a2a2a;color:#fff;margin-bottom:20px}.field-subsection{padding:15px;background-color:#333;border-radius:6px;margin:15px 0;border-left:4px solid #4fc3f7}.field-subsection strong{color:#4fc3f7;font-size:1.1rem}.suggested-fields strong{color:#4fc3f7}