:root{--breakpoint-sm: 640px;--breakpoint-xs: 480px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 20px;--spacing-2xl: 24px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-md: 13px;--font-size-base: 14px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-2xl: 24px;--font-size-3xl: 32px;--navbar-height: 56px;--touch-target-min: 44px}*{margin:0;padding:0;box-sizing:border-box}body{min-height:100vh;background:#0f172a}input,select,textarea{font-size:var(--font-size-lg)!important}input.planet-name{font-size:var(--font-size-3xl)!important}input::placeholder{opacity:.4}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.form-grid{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:10px}.uwp-row{display:flex;gap:var(--spacing-sm)}.button-row{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-md)}.planet-item{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-sm)}.planet-info{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-xs);flex:1;min-width:0}.data-row{display:flex;justify-content:space-between;padding:var(--spacing-xs) 0;border-bottom:1px solid #334155;gap:var(--spacing-md)}.data-row-label{color:#94a3b8;font-size:var(--font-size-md);flex-shrink:0}.data-row-value{font-size:var(--font-size-md);font-weight:500;text-align:right;word-break:break-word}.app-title{margin:0;font-size:var(--font-size-3xl);font-weight:800;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.manual-input-row{display:flex;gap:var(--spacing-sm)}.nav-desktop{display:flex}.nav-mobile-toggle{display:none!important}.nav-mobile-menu{display:none}@media(max-width:640px){.nav-desktop{display:none!important}.nav-mobile-toggle,.nav-mobile-menu{display:flex!important}}@media(max-width:480px){.app-title{font-size:28px}.form-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}.uwp-row{flex-direction:column}.uwp-row input{font-size:var(--font-size-xl)!important;letter-spacing:2px!important}.uwp-row button{width:100%;justify-content:center}.manual-input-row{flex-direction:column}.manual-input-row button{width:100%}.button-row{flex-direction:column}.button-row button{width:100%}.planet-item{flex-direction:column;align-items:flex-start}.planet-info{width:100%}.planet-info .uwp-code{display:block;margin-left:0!important;margin-top:var(--spacing-xs)}.data-row{flex-direction:column;gap:2px}.data-row-value{text-align:left}.section-title{font-size:var(--font-size-sm)!important;letter-spacing:.5px!important}}button{min-height:var(--touch-target-min);touch-action:manipulation}html{scroll-behavior:smooth}a,button{-webkit-tap-highlight-color:rgba(59,130,246,.3)}:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.skip-link{position:absolute;top:-40px;left:0;background:#3b82f6;color:#fff;padding:8px 16px;z-index:9999;transition:top .2s}.skip-link:focus{top:0}