:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--primary: #ca6621;--primary-hover: #a3521b;--bg-body: #ffffff;--bg-sidebar: #f8fafc;--bg-card: #ffffff;--bg-hover: #f1f5f9;--text-main: #333333;--text-muted: #64748b;--border-color: #e2e8f0;--nav-height: 72px;--nav-bg: #ffffff}*,*:before,*:after{box-sizing:border_box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--bg-body);color:var(--text-main);display:block}#root{width:100%}a{font-weight:500;color:var(--primary);text-decoration:inherit}a:hover{color:var(--primary-hover)}h1,h2,h3{line-height:1.1;color:var(--text-main)}button{border-radius:8px;border:1px solid var(--border-color);padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#fff;color:var(--text-main);cursor:pointer;transition:all .2s}button:hover{border-color:var(--primary);color:var(--primary);background-color:#fffaf5}button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-sidebar)}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.responsive-iframe-container{position:relative;overflow:hidden;width:100%;height:calc(100vh - var(--nav-height));border:none}iframe{width:100%;height:100%;border:none;background-color:#fff}.page-container{padding-top:var(--nav-height);min-height:100vh;width:100%}.loading-spinner{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--bg-body);z-index:10;color:var(--text-muted);font-weight:500;gap:1rem}.spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.navbar{height:var(--nav-height);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;background:#ffffffe6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;right:0;z-index:1000;box-shadow:0 1px 3px #0000000d}.nav-brand{transition:opacity .2s}.nav-brand:hover{opacity:.9}.brand-logo{height:48px;width:auto;object-fit:contain}.nav-links{display:flex;gap:8px}.nav-link{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:8px;color:var(--text-muted);text-decoration:none;font-weight:500;transition:all .2s ease;position:relative}.nav-link:hover{color:var(--text-main);background:#ffffff0d}.nav-link.active{color:var(--primary);background:#f59e0b1a}.nav-link.active:after{content:"";position:absolute;bottom:-1px;left:16px;right:16px;height:2px;background-color:var(--primary);border-radius:2px 2px 0 0;box-shadow:0 -2px 8px var(--primary)}@media(max-width:640px){.brand-text,.link-text{display:none}.navbar{padding:0 1rem;justify-content:center}.nav-brand{position:absolute;left:1rem}.nav-links{margin-left:auto}}.archive-page{display:flex;height:100vh;overflow:hidden}.archive-sidebar{width:320px;background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;height:100%;overflow-y:auto}.archive-header{padding:1.5rem;border-bottom:1px solid var(--border-color);position:sticky;top:0;background:var(--bg-sidebar);z-index:10}.archive-header h2{font-size:1.5rem;font-weight:600;margin-bottom:.25rem;color:var(--text-main)}.archive-header p{color:var(--text-muted);font-size:.875rem}.date-list{padding:1rem;display:flex;flex-direction:column;gap:.5rem}.date-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.85rem 1rem;background:transparent;border:1px solid transparent;border-radius:8px;cursor:pointer;color:var(--text-muted);font-size:.95rem;text-align:left;transition:all .2s ease}.date-item:hover{background:var(--bg-hover);color:var(--text-main);transform:translate(4px)}.date-item.active{background:#fff7ed;border-color:#ffedd5;color:var(--primary)}.date-Left{display:flex;align-items:center;gap:12px}.date-icon{opacity:.7}.date-item.active .date-icon{opacity:1}.archive-content{flex:1;position:relative;background:var(--bg-body);height:100%}.placeholder-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:2rem}.placeholder-icon{margin-bottom:1.5rem;color:var(--border-color)}.archive-iframe-wrapper{width:100%;height:100%;display:flex;flex-direction:column}.mobile-header{display:none;padding:.75rem 1rem;background:var(--bg-card);align-items:center;gap:1rem;border-bottom:1px solid var(--border-color);color:var(--text-main);font-weight:500}.back-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:#fff;border-radius:6px;color:var(--text-main);border:1px solid var(--border-color)}.back-btn:hover{background:var(--bg-hover);border-color:var(--primary)}.iframe-loader{position:absolute;background:var(--bg-body)}.archive-sidebar::-webkit-scrollbar{width:6px}.archive-sidebar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}@media(max-width:768px){.archive-sidebar.mobile-hidden,.archive-content.mobile-hidden{display:none}.archive-sidebar{width:100%;border-right:none}.mobile-header{display:flex}}