:root{--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);--gradient:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%)}*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}@supports(height:100dvh){body{min-height:100dvh}}body{font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,inter,sans-serif;line-height:1.6;color:var(--text-color);background:var(--background);max-width:900px;margin:0 auto;padding:40px 20px 60px}empty-state{display:block;text-align:center;padding:4rem 2rem;background:var(--surface);border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow);font-size:4rem;opacity:.7}empty-state h3{font-size:1.5rem;color:var(--text-color);margin-bottom:.5rem;margin-top:1rem}empty-state p{color:var(--text-light);font-size:1rem}year-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:2rem;margin-bottom:4rem}year-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1.5rem;background:var(--surface);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--border);position:relative;overflow:hidden;transition:all .3s ease}year-card a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:var(--text-color);width:100%;height:100%}year-card::before{content:'';position:absolute;inset:0;background:var(--gradient);opacity:0;transition:opacity .3s ease;z-index:1}year-card>*{position:relative;z-index:2}year-card:hover::before{opacity:.05}year-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--secondary-color)}year-number{display:block;font-size:2rem;font-weight:700;color:var(--primary-color);margin-bottom:.5rem;transition:all .3s ease}year-card:hover year-number{color:var(--secondary-color);transform:scale(1.1)}year-arrow{display:block;font-size:1.5rem;color:var(--secondary-color);transition:transform .3s ease}year-card:hover year-arrow{transform:translateX(4px)}h1{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;letter-spacing:-.025em}h1 a{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;display:block;transition:all .3s ease}h1 a:hover{transform:scale(1.02);filter:brightness(1.1)}.section-year{display:inline-block;position:relative;padding:0 1rem;color:var(--accent-color);font-size:.9em;letter-spacing:.05em;background:linear-gradient(135deg,var(--accent-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:sparkle 3s ease-in-out infinite}@keyframes sparkle{0%,100%{transform:scale(1);filter:brightness(1)}50%{transform:scale(1.02);filter:brightness(1.1)}}h2{color:var(--text-color);font-size:1.875rem;font-weight:600;margin:2rem 0 1.5rem;text-align:center}a{color:var(--secondary-color);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-color)}back-link{display:block;margin:2rem;text-align:center}back-link a{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--surface);border:2px solid var(--border);border-radius:50px;color:var(--text-color);font-weight:500;text-decoration:none;transition:all .3s ease;box-shadow:var(--shadow)}back-link a:hover{background:var(--primary-color);color:var(--surface);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-lg)}file-list{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:2rem}file-list a{display:block;text-decoration:none;color:inherit;transition:transform .3s ease}file-list a:hover{text-decoration:none;transform:translateY(-4px)}file-item{display:flex;align-items:flex-start;gap:1.5rem;padding:1.5rem;background:var(--surface);border-radius:16px;border:1px solid var(--border);transition:all .3s ease;cursor:pointer;box-shadow:var(--shadow);position:relative;overflow:hidden}file-item::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);transform:scaleX(0);transition:transform .3s ease}file-item:hover::before{transform:scaleX(1)}file-item:hover{border-color:var(--secondary-color);box-shadow:var(--shadow-lg)}file-thumbnail{display:block;flex-shrink:0;width:140px;position:relative}file-thumbnail img{width:100%;height:auto;border-radius:8px;border:1px solid var(--border);transition:all .3s ease;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}file-item:hover file-thumbnail img{transform:scale(1.05);border-color:var(--secondary-color)}file-item[type=non-pdf]{align-items:center}file-icon{display:block;font-size:4rem;opacity:.8;transition:all .3s ease;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));flex-shrink:0;width:140px;text-align:center}file-item[type=non-pdf]:hover file-icon{transform:scale(1.1);opacity:1}file-title{display:block;font-weight:600;font-size:1.125rem;color:var(--text-color);line-height:1.4;word-wrap:break-word;transition:color .3s ease;flex:1;min-width:0}file-item:hover file-title{color:var(--primary-color)}@media(max-width:768px){body{padding:20px 16px 80px}h1{font-size:2rem}h2{font-size:1.5rem}year-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}year-card{padding:1.5rem 1rem}file-item{flex-direction:column;text-align:center;gap:1rem}file-thumbnail{width:180px;align-self:center}file-icon{width:180px;align-self:center}file-title{text-align:center}}@media(max-width:480px){body{padding:16px 16px 100px}file-item{padding:1rem}file-thumbnail{width:150px}file-icon{width:150px}year-number{font-size:1.5rem}empty-state{font-size:3rem}}hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);margin:3rem 0}site-footer{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border);color:var(--text-light);font-size:.875rem}footer-left{display:flex;align-items:center;gap:.5rem}footer-right{display:flex;align-items:center}site-footer a{color:var(--text-light);transition:color .2s ease;text-decoration:none}site-footer a:hover{color:var(--primary-color)}@media(max-width:480px){site-footer{flex-direction:column;text-align:center;gap:.75rem}}@media screen and (orientation:landscape) and (max-height:480px){file-item{flex-direction:row;text-align:left;gap:1rem}file-thumbnail{width:120px}file-icon{width:120px}file-title{text-align:left}}@media screen and (orientation:portrait){file-list{grid-template-columns:1fr}}@media screen and (orientation:landscape){file-list{grid-template-columns:1fr}}