:root[data-theme=high-contrast]{--bg-deep: #000000;--bg-primary: #000000;--bg-surface: #111111;--bg-card: #111111;--bg-glass: #111111;--bg-hover: #333333;--text-primary: #ffffff;--text-secondary:#dddddd;--text-muted: #bbbbbb;--accent: #ffcc00;--accent-hover: #ffea00;--accent-dim: rgba(255, 204, 0, .2);--accent-glow: rgba(255, 204, 0, .4);--danger: #ff0000;--success: #00ff00;--warning: #ffff00;--border-color: #ffffff;--border-glow: #ffffff;--shadow-sm: none;--shadow-md: none;--shadow-lg: none;--shadow-glow:none}:root[data-reduced-motion=true] *{transition:none!important;animation:none!important}:root{--bg-deep: #06080f;--bg-primary: #0a0e1a;--bg-surface: #111827;--bg-card: rgba(17, 24, 39, .65);--bg-glass: rgba(17, 24, 39, .45);--bg-hover: rgba(139, 92, 246, .08);--text-primary: #f1f5f9;--text-secondary:#94a3b8;--text-muted: #64748b;--accent: #a78bfa;--accent-hover: #c4b5fd;--accent-dim: rgba(167, 139, 250, .15);--accent-glow: rgba(167, 139, 250, .35);--danger: #f87171;--success: #34d399;--warning: #fbbf24;--border-color: rgba(148, 163, 184, .1);--border-glow: rgba(167, 139, 250, .25);--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.4);--shadow-md: 0 4px 16px rgba(0,0,0,.5);--shadow-lg: 0 8px 32px rgba(0,0,0,.6);--shadow-glow:0 0 30px var(--accent-glow);--ease-out: cubic-bezier(.16, 1, .3, 1);--duration: .25s;--duration-slow: .45s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--text-primary);background:var(--bg-deep);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,video{display:block;max-width:100%;height:auto}button{cursor:pointer;font:inherit;border:none;background:none;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}input{font:inherit;color:inherit}h1,h2,h3,h4,h5,h6{font-family:var(--font-display)}.skip-link{position:fixed;top:-100%;left:var(--space-md);z-index:10000;padding:var(--space-sm) var(--space-md);background:var(--accent);color:var(--bg-deep);border-radius:var(--radius-sm);font-weight:600;transition:top var(--duration) var(--ease-out)}.skip-link:focus{top:var(--space-md);outline:2px solid var(--text-primary);outline-offset:2px}#star-canvas{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;background:radial-gradient(ellipse at 20% 20%,rgba(109,40,217,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(59,130,246,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(167,139,250,.03) 0%,transparent 70%);pointer-events:none}.site-header{position:sticky;top:0;z-index:100;background:#06080fd1;backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid var(--border-color)}.header-inner{max-width:1280px;margin:0 auto;padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--text-primary);text-decoration:none}.logo:hover{color:var(--text-primary)}.logo-icon{font-size:1.4rem;color:var(--accent);animation:pulse-glow 3s ease-in-out infinite}.logo-accent{color:var(--accent)}@keyframes pulse-glow{0%,to{opacity:1;text-shadow:0 0 8px var(--accent-glow)}50%{opacity:.7;text-shadow:0 0 16px var(--accent-glow)}}.header-nav{display:flex;gap:var(--space-xs)}.nav-btn{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:.875rem;font-weight:500;color:var(--text-secondary);transition:all var(--duration) var(--ease-out);position:relative}.nav-btn:hover,.nav-btn:focus-visible{color:var(--text-primary);background:var(--bg-hover)}.nav-btn[aria-current=page]{color:var(--text-primary);background:var(--accent-dim)}.nav-btn[aria-current=page]:after{content:"";position:absolute;bottom:0;left:20%;right:20%;height:2px;background:var(--accent);border-radius:2px 2px 0 0;box-shadow:0 -2px 8px var(--accent-glow)}.nav-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-icon{font-size:1rem}.mobile-menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:background var(--duration)}.mobile-menu-toggle:hover{background:var(--bg-hover)}.mobile-menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hamburger{position:relative;width:20px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--duration)}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0;width:100%;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--duration) var(--ease-out)}.hamburger:before{top:-6px}.hamburger:after{top:6px}.mobile-menu-toggle[aria-expanded=true] .hamburger{background:transparent}.mobile-menu-toggle[aria-expanded=true] .hamburger:before{top:0;transform:rotate(45deg)}.mobile-menu-toggle[aria-expanded=true] .hamburger:after{top:0;transform:rotate(-45deg)}.mobile-menu{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-sm) var(--space-lg) var(--space-md);border-bottom:1px solid var(--border-color)}.mobile-menu[hidden]{display:none}.mobile-nav-btn{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:.9375rem;text-align:left;color:var(--text-secondary);transition:all var(--duration)}.mobile-nav-btn:hover,.mobile-nav-btn:focus-visible{color:var(--text-primary);background:var(--bg-hover)}.mobile-nav-btn[aria-current=page]{color:var(--accent);background:var(--accent-dim);font-weight:600;border-left:2px solid var(--accent)}.date-bar{position:relative;z-index:10;max-width:1280px;margin:var(--space-lg) auto 0;padding:0 var(--space-lg);display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.date-nav-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);border:1px solid var(--border-color);font-size:1.25rem;color:var(--text-secondary);background:var(--bg-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all var(--duration) var(--ease-out)}.date-nav-btn:hover:not(:disabled){color:var(--text-primary);border-color:var(--accent);background:var(--accent-dim)}.date-nav-btn:disabled{opacity:.3;cursor:not-allowed}.date-nav-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.date-picker-wrap{position:relative}.date-picker{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-primary);font-size:.9375rem;font-family:var(--font-body);transition:border-color var(--duration)}.date-picker:hover{border-color:var(--border-glow)}.date-picker:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.date-picker::-webkit-calendar-picker-indicator{filter:invert(1) brightness(.8);cursor:pointer}.loading-state{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;min-height:60vh}.loading-state[hidden]{display:none}.loader{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.loader-ring{width:56px;height:56px;border-radius:50%;border:3px solid var(--border-color);border-top-color:var(--accent);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loader-text{color:var(--text-secondary);font-size:.9375rem;animation:fade-pulse 2s ease-in-out infinite}@keyframes fade-pulse{0%,to{opacity:.6}50%{opacity:1}}.error-state{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;min-height:60vh}.error-state[hidden]{display:none}.error-card{text-align:center;max-width:460px;padding:var(--space-2xl);border-radius:var(--radius-xl);border:1px solid var(--border-color);background:var(--bg-card);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.error-icon{font-size:2.5rem;display:block;margin-bottom:var(--space-md)}.error-title{font-family:var(--font-display);font-size:1.25rem;margin-bottom:var(--space-sm)}.error-message{color:var(--text-secondary);font-size:.9375rem;margin-bottom:var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;transition:all var(--duration) var(--ease-out)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--accent);color:var(--bg-deep)}.btn-primary:hover{background:var(--accent-hover)}.apod-hero{position:relative;z-index:5;max-width:1280px;margin:var(--space-xl) auto var(--space-3xl);padding:0 var(--space-lg);display:grid;grid-template-columns:1fr;gap:var(--space-xl);animation:hero-enter var(--duration-slow) var(--ease-out) both}.apod-hero[hidden]{display:none}@keyframes hero-enter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-media-wrap{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--border-color);background:var(--bg-surface);box-shadow:var(--shadow-lg),var(--shadow-glow)}.hero-media{width:100%;aspect-ratio:16 / 10;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-deep)}.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}.hero-media-wrap:hover .hero-media img{transform:scale(1.02)}.dash-hero{position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--border-color);background:var(--bg-surface);min-height:400px}@media(min-width:768px){.dash-hero{flex-direction:row;min-height:450px}}.dash-hero-media{flex:1;background-size:cover;background-position:center;min-height:250px}.dash-hero-content{flex:1;padding:var(--space-xl);display:flex;flex-direction:column;justify-content:center;gap:var(--space-sm);background:var(--bg-surface)}.dash-hero-title{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.5rem);line-height:1.2}.dash-hero-exp{color:var(--text-secondary);font-size:.9375rem;line-height:1.6;margin-bottom:var(--space-md)}.dash-hero-actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}.hero-media iframe{width:100%;height:100%;border:none}.fullscreen-btn{position:absolute;bottom:var(--space-md);right:var(--space-md);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:#0000008c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;transition:all var(--duration);opacity:0}.hero-media-wrap:hover .fullscreen-btn,.fullscreen-btn:focus-visible{opacity:1}.fullscreen-btn:hover{background:var(--accent);color:var(--bg-deep)}.fullscreen-btn:focus-visible{opacity:1;outline:2px solid var(--accent);outline-offset:2px}.hero-info{display:flex;flex-direction:column;gap:var(--space-md)}.hero-meta{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap}.meta-badge{padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);background:var(--accent-dim);color:var(--accent);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.meta-date{color:var(--text-muted);font-size:.875rem}.hero-title{font-family:var(--font-display);font-size:clamp(1.5rem,4vw,2.25rem);font-weight:700;line-height:1.2;letter-spacing:-.02em}.hero-explanation{color:var(--text-secondary);font-size:.9375rem;line-height:1.75;max-height:8.75rem;overflow:hidden;position:relative;transition:max-height .4s var(--ease-out)}.hero-explanation.expanded{max-height:2000px}.hero-explanation:not(.expanded):after{content:"";position:absolute;bottom:0;left:0;right:0;height:3rem;background:linear-gradient(transparent,var(--bg-deep));pointer-events:none}.read-more-btn{color:var(--accent);font-size:.875rem;font-weight:500;align-self:flex-start;transition:color var(--duration)}.read-more-btn:hover{color:var(--accent-hover)}.read-more-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.read-more-btn[hidden]{display:none}.hero-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-color)}.hero-copyright{color:var(--text-muted);font-size:.8125rem}.hero-actions{display:flex;gap:var(--space-sm)}.action-btn{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.8125rem;font-weight:500;text-decoration:none;background:var(--bg-glass);transition:all var(--duration) var(--ease-out)}.action-btn:hover{color:var(--text-primary);border-color:var(--border-glow);background:var(--bg-hover)}.action-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.action-btn[hidden]{display:none}.action-btn.favorited{color:var(--danger);border-color:#f871714d;background:#f8717114}.action-btn.favorited svg{fill:var(--danger);stroke:var(--danger)}.side-panel{display:none}.side-panel:not([hidden]){display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:200}.panel-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fade-in var(--duration) var(--ease-out)}.panel-content{position:absolute;top:0;right:0;bottom:0;width:min(420px,90vw);background:var(--bg-primary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;animation:slide-in-right var(--duration-slow) var(--ease-out);overflow:hidden}@keyframes fade-in{0%{opacity:0}}@keyframes slide-in-right{0%{transform:translate(100%)}to{transform:translate(0)}}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--border-color);flex-shrink:0}.panel-title{font-family:var(--font-display);font-size:1.25rem;font-weight:600}.panel-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:1.1rem;color:var(--text-secondary);transition:all var(--duration)}.panel-close:hover{color:var(--text-primary);background:var(--bg-hover)}.panel-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.panel-body{flex:1;overflow-y:auto;padding:var(--space-md)}.panel-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);border:1px solid transparent;transition:all var(--duration);cursor:pointer}.panel-item:hover{border-color:var(--border-color);background:var(--bg-hover)}.panel-item+.panel-item{margin-top:var(--space-xs)}.panel-item-thumb{width:64px;height:48px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-surface)}.panel-item-info{flex:1;min-width:0}.panel-item-title{font-size:.875rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.panel-item-date{font-size:.75rem;color:var(--text-muted)}.panel-item-remove{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:.875rem;color:var(--text-muted);flex-shrink:0;transition:all var(--duration)}.panel-item-remove:hover{color:var(--danger);background:#f871711a}.panel-empty{text-align:center;padding:var(--space-2xl) var(--space-md);color:var(--text-muted);font-size:.9375rem}.panel-empty-icon{display:block;font-size:2rem;margin-bottom:var(--space-sm)}.lightbox{display:none}.lightbox:not([hidden]){display:flex;align-items:center;justify-content:center;position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;padding:var(--space-lg)}.lightbox-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000e6;animation:fade-in var(--duration)}.lightbox-content{position:relative;z-index:1;max-width:95vw;max-height:90vh;animation:zoom-in var(--duration-slow) var(--ease-out)}.lightbox-content img{max-width:95vw;max-height:90vh;object-fit:contain;border-radius:var(--radius-md)}.lightbox-content iframe{width:90vw;height:80vh;max-width:1200px;border:none;border-radius:var(--radius-md)}@keyframes zoom-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.lightbox-close{position:absolute;top:var(--space-lg);right:var(--space-lg);z-index:2;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-size:1.25rem;transition:all var(--duration)}.lightbox-close:hover{background:#fff3}.lightbox-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.toast-container{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:400;display:flex;flex-direction:column;gap:var(--space-sm);pointer-events:none}.toast{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary);font-size:.875rem;box-shadow:var(--shadow-md);pointer-events:auto;animation:toast-in .35s var(--ease-out)}.toast-info{border-left:3px solid var(--accent)}.toast-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:0 4px;font-size:1.1rem;transition:color var(--duration)}.toast-close:hover{color:var(--text-primary)}.toast-exit{animation:toast-out .3s ease-in forwards}@keyframes toast-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(12px) scale(.96)}}.site-footer{position:relative;z-index:5;text-align:center;padding:var(--space-2xl) var(--space-lg);border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.8125rem}.footer-tagline{margin-top:var(--space-xs);color:var(--text-secondary);font-style:italic}@media(min-width:900px){.apod-hero{grid-template-columns:1.4fr 1fr;align-items:start}.hero-info{position:sticky;top:100px}.mobile-menu-toggle{display:none!important}}@media(max-width:899px){.header-nav{display:none}.mobile-menu-toggle{display:flex}.hero-media{aspect-ratio:16 / 9}.hero-actions{flex-wrap:wrap}.action-label{display:none}}@media(max-width:480px){.header-inner{padding:var(--space-sm) var(--space-md)}.date-bar{padding:0 var(--space-md)}.apod-hero{padding:0 var(--space-md);margin-top:var(--space-md)}.date-picker{font-size:.8125rem;padding:var(--space-xs) var(--space-sm)}.hero-title{font-size:1.25rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.hero-media-wrap:hover .hero-media img{transform:none}.loader-ring{animation:spin 2s linear infinite!important}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}:focus:not(:focus-visible){outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.dashboard-header,.explorer-header{text-align:center;margin-bottom:2rem}.dashboard-header h2,.explorer-header h2{font-size:2rem;margin-bottom:.5rem}.explorer-actions{display:flex;gap:1rem;justify-content:center;margin-top:1rem}.dashboard-grid{display:flex;flex-direction:column;gap:var(--space-2xl);max-width:1280px;margin:0 auto;padding:var(--space-xl) var(--space-lg)}.dashboard-section{display:flex;flex-direction:column;gap:var(--space-md)}.section-title{font-family:var(--font-display);font-size:1.25rem;color:var(--text-primary);border-bottom:1px solid var(--border-color);padding-bottom:var(--space-sm);display:flex;justify-content:space-between;align-items:center}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.apod-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column}.apod-card:hover,.apod-card:focus-visible{transform:translateY(-4px);box-shadow:var(--shadow-glow);border-color:var(--accent-glow)}.apod-card:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[data-reduced-motion=true] .apod-card:hover,[data-reduced-motion=true] .apod-card:focus-visible{transform:none}.apod-card-thumb{height:140px;background-size:cover;background-position:center;border-bottom:1px solid var(--border-color)}.apod-card-info{padding:1rem;display:flex;flex-direction:column;gap:.25rem}.apod-card-title{font-size:.95rem;font-weight:500;line-height:1.3;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.apod-card-date{font-size:.8rem;color:var(--text-muted)}.education-toggle-btn{margin-top:1rem;margin-bottom:1rem;display:inline-flex;align-items:center;gap:.5rem;font-size:.85rem;padding:.5rem 1rem;border-radius:var(--radius-full)}.education-panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem;animation:fadeIn .3s ease-out}.education-panel h4{margin-top:0;color:var(--accent);margin-bottom:1rem}.education-meta-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem;font-size:.9rem}.education-meta-list strong{color:var(--text-secondary)}.skeleton{background:var(--bg-card)}.skeleton-pulse{animation:pulse 1.5s infinite ease-in-out;background-color:var(--bg-hover);border-radius:var(--radius-sm)}@keyframes pulse{0%{opacity:1}50%{opacity:.4}to{opacity:1}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.offline-banner{background:var(--warning);color:#000;text-align:center;padding:var(--space-sm);font-size:.875rem;font-weight:600;z-index:1000;position:relative}.apod-tags-wrap{display:flex;gap:var(--space-xs);flex-wrap:wrap;margin-top:var(--space-sm)}.apod-tag{background:var(--bg-hover);color:var(--accent);border:1px solid var(--border-glow);padding:2px 8px;border-radius:var(--radius-full);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}