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.75rem;background:var(--surface);border-radius:var(--radius);border-left:3px solid var(--accent-color);border-right:3px solid var(--accent-color)}.zone-field{animation:slideDown .3s cubic-bezier(.4,0,.2,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px);max-height:0}to{opacity:1;transform:translateY(0);max-height:200px}}.error-message{padding:1rem 1.25rem;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);color:#991b1b;display:flex;align-items:center;gap:.75rem;font-size:.875rem}.error-icon{font-size:1.25rem}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn{flex:1;padding:1rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.75rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:#0b215d;color:#fff;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.btn-primary:hover:not(:disabled):before{left:100%}.btn-primary:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 10px 25px #0b215d4d;background-color:#0d2a6f}.btn-primary:active:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #0b215d40}.btn-secondary{background:#fff;color:var(--text-primary);border:2px solid var(--border);transition:all .3s cubic-bezier(.4,0,.2,1)}.btn-secondary:hover{background:var(--surface);border-color:var(--accent-color);color:var(--portless-blue);transform:translateY(-2px);box-shadow:0 4px 12px #0b215d26}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-right-color:#fff9;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.calculator-form:has(.btn-primary:disabled){animation:formSubmit .3s ease}@keyframes formSubmit{0%{transform:scale(1)}50%{transform:scale(.98)}to{transform:scale(1)}}.pw-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0006;z-index:2000}.pw-modal{background:#fff;padding:20px;border-radius:8px;width:320px;box-shadow:0 6px 24px #0003}.pw-modal h3{margin-top:0}.pw-modal label{display:block;margin-bottom:10px;font-size:13.5px}.pw-modal input{width:100%;padding:6px 8px;margin-top:6px}.pw-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}.pw-error{color:#a00;margin-top:6px}.app{width:100%;max-width:1200px;margin:0 auto}*{margin:0;padding:0;box-sizing:border-box}:root{--portless-blue: #0b215d;--portless-blue-light: #1a3a5a;--portless-green: #e8f5e9;--portless-green-dark: #c8e6c9;--portless-teal: #4fc3f7;--portless-teal-dark: #29b6f6;--primary-color: #0b215d;--primary-hover: #0d2a6f;--accent-color: #0b215d;--accent-hover: #0d2a6f;--success-color: #10b981;--background: #ffffff;--surface: #f8fafc;--surface-light: #e8f5e9;--border: #e2e8f0;--border-light: #f0f4f8;--text-primary: #0b215d;--text-secondary: #64748b;--text-light: #94a3b8;--shadow-sm: 0 1px 2px 0 rgb(10 37 64 / .05);--shadow-md: 0 4px 6px -1px rgb(10 37 64 / .1), 0 2px 4px -2px rgb(10 37 64 / .1);--shadow-lg: 0 10px 15px -3px rgb(10 37 64 / .1), 0 4px 6px -4px rgb(10 37 64 / .1);--shadow-xl: 0 20px 25px -5px rgb(10 37 64 / .1), 0 10px 10px -5px rgb(10 37 64 / .04);--radius: 12px;--radius-lg: 16px;--radius-xl: 20px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#e8f5e9,#f0f9ff,#e0f2fe);background-attachment:fixed;min-height:100vh;color:var(--text-primary);line-height:1.6;position:relative}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 50%,rgba(79,195,247,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(10,37,64,.05) 0%,transparent 50%);pointer-events:none;z-index:0;animation:backgroundPulse 20s ease-in-out infinite}@keyframes backgroundPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:3rem 1rem;position:relative;z-index:1}@media (max-width: 768px){#root{padding:2rem 1rem}}