:root{--font-main: "Inter", system-ui, -apple-system, sans-serif;--bg-app: #0f1115;--bg-card: rgba(30, 32, 40, .7);--bg-input: rgba(255, 255, 255, .1);--text-primary: #ffffff;--text-secondary: #e2e8f0;--text-tertiary: #cbd5e1;--primary-500: #818cf8;--primary-600: #6366f1;--primary-glow: rgba(129, 140, 248, .3);--accent-500: #f472b6;--success: #34d399;--warning: #fbbf24;--error: #f87171;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--glass-border: 1px solid rgba(255, 255, 255, .15);--glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, .2), 0 2px 4px -1px rgba(0, 0, 0, .1);--transition: all .2s cubic-bezier(.4, 0, .2, 1)}body{margin:0;font-family:var(--font-main);background-color:var(--bg-app);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 15% 10%,rgba(99,102,241,.2) 0%,transparent 40%),radial-gradient(circle at 85% 30%,rgba(236,72,153,.15) 0%,transparent 40%);background-attachment:fixed}*,*:before,*:after{box-sizing:border-box}h1,h2,h3,h4,p{margin:0}button{cursor:pointer;font-family:inherit;border:none;background:none}.app-container{min-height:100vh;padding:1rem;display:flex;flex-direction:column;align-items:center}@media(min-width:768px){.app-container{padding:2.5rem}}.app-wrapper{width:100%;max-width:1100px;position:relative;z-index:10}.app-header{text-align:center;margin-bottom:3rem;position:relative;z-index:10}.app-title{font-size:2.5rem;font-weight:800;background:linear-gradient(to right,#c7d2fe,#e9d5ff,#fbcfe8);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:1rem;letter-spacing:-.02em}.app-subtitle{color:var(--text-secondary);font-size:1.125rem;line-height:1.6}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:var(--glass-border);box-shadow:var(--glass-shadow);border-radius:var(--radius-md)}.settings-panel{padding:1.25rem 2rem;margin-bottom:2.5rem;display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:center;background-color:#1e202899}.settings-divider{width:1px;height:24px;background-color:#fff3;display:none}@media(min-width:640px){.settings-divider{display:block}}.settings-group label{display:flex;align-items:center;gap:.75rem;font-size:1rem;color:var(--text-secondary);font-weight:500}.settings-select{background-color:#0000004d;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:.35rem 1rem;color:#fff;font-family:inherit;font-size:1rem;outline:none;transition:var(--transition)}.settings-select:focus{border-color:var(--primary-500)}.tabs-container{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem;margin-bottom:2.5rem}.tab-button{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:9999px;font-size:1rem;font-weight:600;transition:var(--transition);border:1px solid transparent}.tab-button.inactive{background:#ffffff14;color:var(--text-tertiary);border-color:#ffffff0d}.tab-button.inactive:hover{background:#ffffff26;color:var(--text-primary)}.tab-button.active{background:linear-gradient(to right,var(--primary-600),var(--accent-500));color:#fff;box-shadow:0 4px 12px #6366f159;border-color:#ffffff4d}.kpi-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.kpi-grid{grid-template-columns:repeat(3,1fr)}}.calculator-card{padding:1.75rem;border-radius:var(--radius-lg);position:relative;overflow:hidden;transition:var(--transition)}.calculator-card:hover{border-color:#ffffff4d}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.75rem}.card-title-group h3{font-size:1.35rem;font-weight:700;color:var(--text-primary);margin-bottom:.35rem}.card-subtitle{font-size:.95rem;color:var(--text-tertiary);font-weight:500}.info-btn{padding:4px;border-radius:50%;color:var(--text-tertiary);transition:color .2s;margin-left:.5rem;display:inline-flex}.info-btn:hover,.info-btn.active{color:var(--text-primary)}.icon-box{padding:.6rem;background:#ffffff1a;border-radius:10px;color:#a5b4fc;display:flex}.info-panel{margin-bottom:1.5rem;padding:1.25rem;background:#6366f126;border:1px solid rgba(99,102,241,.3);border-radius:10px;font-size:.95rem;color:#fff;animation:fadeIn .3s ease}.formula-badge{font-family:monospace;font-size:.85rem;color:#e0e7ff;background:#0000004d;padding:3px 8px;border-radius:4px;margin-top:.5rem;display:inline-block}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.input-section{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:2rem}.input-label{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.5rem;margin-left:.25rem;font-weight:600}.input-wrapper{position:relative}.input-field{width:100%;background:var(--bg-input);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-sm);padding:.875rem 1rem;color:#fff;font-family:monospace;font-size:1.1rem;font-weight:500;outline:none;transition:var(--transition)}.input-field:focus{border-color:var(--primary-500);background:#ffffff26;box-shadow:0 0 0 1px var(--primary-500)}.input-currency-symbol{position:absolute;right:1.25rem;top:50%;transform:translateY(-50%);color:var(--text-secondary);font-size:1rem}.result-section{padding-top:1.75rem;border-top:1px solid rgba(255,255,255,.15)}.result-value{text-align:center;font-size:2.25rem;font-weight:800;color:#fff;margin-bottom:1.5rem;word-break:break-all;line-height:1.2;text-shadow:0 2px 10px rgba(0,0,0,.3)}.action-buttons{display:flex;gap:.75rem}.action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);color:#fff;font-size:.95rem;font-weight:600;transition:var(--transition)}.action-btn:hover:not(:disabled){background:#fff3;transform:translateY(-1px)}.action-btn:disabled{opacity:.5;cursor:not-allowed}.copy-success{color:var(--success)}.app-footer{margin-top:6rem;padding:2rem 0;text-align:center;font-size:.85rem;color:var(--text-tertiary)}