:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--text-primary: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--error: #ef4444;--warning: #f59e0b;--success: #22c55e}@media (prefers-color-scheme: dark){:root{--primary: #3b82f6;--primary-hover: #2563eb;--bg-primary: #1f2937;--bg-secondary: #111827;--text-primary: #f9fafb;--text-secondary: #9ca3af;--border-color: #374151}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.header{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:.35rem 2rem;flex-shrink:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.header-title{display:flex;align-items:center;gap:.6rem;color:var(--primary)}.header-title h1{font-size:1.35rem;font-weight:700;color:var(--text-primary)}.header-subtitle{font-size:.875rem;color:var(--text-secondary)}.main-content{flex:1;padding:.75rem 2rem .5rem;overflow-y:auto;overflow-x:hidden}.main-content>*{max-width:1400px;margin:0 auto;width:100%}.content-grid{display:grid;grid-template-columns:255px 1fr;gap:1.5rem;align-items:start}@media (max-width: 1024px){.content-grid{grid-template-columns:1fr}}.form-column{position:sticky;top:0;align-self:start}@media (max-width: 1024px){.form-column{position:static}}.results-column{min-width:0}.card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.card-header{display:flex;align-items:center;gap:.5rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-secondary)}.card-header h2{font-size:1rem;font-weight:600;color:var(--text-primary)}.card-header svg{color:var(--primary)}.card-body{padding:1.25rem}.loading-overlay{display:flex;align-items:center;justify-content:center;min-height:400px}.loading-card{text-align:center;padding:2rem}.spinner{animation:spin 1s linear infinite;color:var(--primary);margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{font-weight:600;margin-bottom:.5rem}.loading-subtext{font-size:.875rem;color:var(--text-secondary)}.error-card{display:flex;align-items:flex-start;gap:1rem;padding:1.5rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;color:var(--error)}.error-title{font-weight:600;margin-bottom:.25rem}.error-message{font-size:.875rem;margin-bottom:.5rem}.error-hint{font-size:.75rem;opacity:.8}.error-banner{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:6px;color:var(--error);margin-bottom:1rem;font-size:.875rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary)}.empty-state svg{margin-bottom:1rem;opacity:.5}.empty-title{font-weight:600;font-size:1.125rem;margin-bottom:.5rem;color:var(--text-primary)}.empty-message{font-size:.875rem;max-width:400px}.footer{background-color:var(--bg-primary);border-top:1px solid var(--border-color);padding:.35rem 2rem;flex-shrink:0}.footer-content{max-width:1400px;margin:0 auto;text-align:center;font-size:.7rem;color:var(--text-secondary)}@media (max-height: 1024px){.header,.footer{display:none}}input[type=text],input[type=number]{transition:border-color .2s,box-shadow .2s}input::placeholder{color:#868686;opacity:.5}input[type=text]:focus,input[type=number]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}input[type=radio]{accent-color:var(--primary)}button:not(:disabled):hover{opacity:.9}@media (max-width: 768px){.header{padding:1rem}.header-content{flex-direction:column;align-items:flex-start;gap:.5rem}.main-content,.card-body{padding:1rem}}@media (max-width: 650px){.main-content,.card-body{padding:.5rem}}
