:root{--bg:#0b0c10;--bg-elev:#111218;--surface:#161820;--surface-2:#1c1f2e;--border:#ffffff14;--border-strong:#ffffff24;--border-solid:#252836;--text:#e6e6e6;--text-muted:#9aa0a6;--accent:#46bc24;--accent-soft:#46bc241f;--accent-border:#46bc2466;--accent-icon-bg:#46bc2429;--ok:#10b981;--error:#ff6b73;--warning:#f5b942;--radius-lg:18px;--radius:14px;--radius-md:10px;--radius-sm:6px;--depth-1:0 1px 0 #ffffff0a inset, 0 2px 6px #0000004d;--depth-2:0 1px 0 #ffffff0d inset, 0 4px 10px #0000004d, 0 16px 36px #0000006b;--depth-3:0 1px 0 #ffffff12 inset, 0 6px 14px #00000059, 0 26px 50px #00000080;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background:radial-gradient(900px 400px at 10% -10%, #46bc241a, transparent 70%), var(--bg);height:100%;color:var(--text);font-family:var(--font);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-size:14px;line-height:1.55}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:color-mix(in srgb, var(--accent) 80%, white)}code{background:var(--surface-2);font-family:var(--mono);border-radius:6px;padding:2px 8px;font-size:.9em}.muted{color:var(--text-muted);font-size:.9rem;font-weight:500}.shell{background:radial-gradient(900px 400px at 10% -10%, #46bc241a, transparent 70%), var(--bg);height:100vh;display:flex}.sidebar{background:linear-gradient(180deg, var(--bg-elev) 0%, var(--surface) 100%);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:280px;display:flex;box-shadow:2px 0 12px #0000004d}.brand{background:linear-gradient(135deg,#46bc24 0%,#34d399 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;padding:18px 20px 10px;font-size:1.35rem;font-weight:800}.brand span{color:var(--accent)}.search{border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--bg-elev);color:var(--text);font:inherit;margin:6px 16px 12px;padding:8px 10px;transition:border-color .15s,box-shadow .15s}.search:focus{border-color:var(--accent-border);box-shadow:inset 0 2px 5px #0006, 0 0 0 3px var(--accent-soft);outline:none}.sidebar-nav{flex:1;padding:0 8px 16px;overflow-y:auto}.sidebar-nav>.muted{padding:0 12px}.tree{margin:0;padding:0;list-style:none}.tree .tree{padding-left:12px}.tree-link{border-radius:var(--radius-md);white-space:normal;word-wrap:break-word;overflow-wrap:break-word;padding:8px 12px;font-size:.92rem;line-height:1.4;transition:all .2s cubic-bezier(.4,0,.2,1);display:block}.tree-link:hover{background:var(--accent-soft);color:var(--accent);padding-left:16px}.tree-link.active{background:linear-gradient(135deg, var(--accent-soft) 0%, #3b82f614 100%);color:var(--accent);font-weight:600;box-shadow:inset 0 0 12px #3b82f633}.tree-folder{cursor:pointer;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:6px 12px;font-size:.8rem;font-weight:600}.home{background:linear-gradient(#0000 0%,#46bc240d 100%);flex:1;padding:48px 64px;overflow-y:auto}.home h1{background:linear-gradient(135deg,#46bc24 0%,#34d399 50%,#10b981 100%);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin-top:0;margin-bottom:12px;font-size:2.5rem;font-weight:800}.cards{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;margin-top:40px;display:grid}.card-wrapper{flex-direction:column;gap:12px;display:flex}.card-wrapper .card{flex:1}.btn--download{background:var(--accent-soft);border:1px solid var(--accent-border);height:auto;color:var(--accent);text-align:center;padding:8px 12px;font-size:.85rem}.btn--download:hover{background:var(--accent-dim);border-color:var(--accent);filter:brightness(1.1)}.card{border:1px solid var(--border-solid);border-radius:var(--radius-lg);cursor:pointer;min-width:0;color:inherit;background:linear-gradient(145deg,#161820f5,#10121cf5);flex-direction:column;gap:12px;padding:28px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;box-shadow:0 4px 12px #0003}.card:before{content:"";background:linear-gradient(90deg, transparent, var(--accent), transparent);opacity:0;height:1px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.card strong{word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;color:var(--text);font-size:1.1rem;line-height:1.4;display:block}.card span{word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;color:var(--text-muted);font-size:.875rem;line-height:1.4;display:block}.card:hover{border-color:var(--accent-border);box-shadow:0 18px 40px #00000073, 0 0 0 1px var(--accent-border), 0 0 32px var(--accent-soft);transform:translateY(-4px)}.card:hover:before{opacity:1}.viewer{flex-direction:column;flex:1;min-width:0;display:flex}.viewer-bar{border-bottom:1px solid var(--border);background:linear-gradient(180deg, var(--surface) 0%, var(--bg-elev) 100%);box-shadow:var(--depth-1);justify-content:space-between;align-items:center;gap:12px;padding:10px 20px;display:flex}.viewer-title{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.doc-frame{background:#fff;border:0;flex:1;width:100%}.btn{border:1px solid var(--border-strong);height:40px;font:inherit;white-space:nowrap;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:0 16px;font-size:13px;font-weight:600;text-decoration:none;transition:transform .12s,box-shadow .15s,filter .15s,background .15s;display:inline-flex}.btn:focus-visible{outline:2px solid color-mix(in srgb, var(--accent) 70%, white);outline-offset:2px}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}.btn--primary{color:#fff;background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 82%, white), var(--accent));border-color:#0000;box-shadow:inset 0 1px #ffffff4d,inset 0 -2px #0000002e,0 6px 16px #46bc2459}.btn--primary:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-2px);box-shadow:inset 0 1px #ffffff59,inset 0 -2px #00000029,0 10px 24px #46bc2473}.btn--secondary{color:var(--text);background:linear-gradient(180deg, #ffffff0d, #ffffff03), var(--bg-elev);box-shadow:inset 0 1px #ffffff0d,0 3px 8px #0000004d}.btn--secondary:hover:not(:disabled){filter:brightness(1.06);transform:translateY(-2px)}@media (max-width:900px){.shell{flex-direction:column;height:auto;min-height:100vh}.sidebar{border-right:0;border-bottom:1px solid var(--border);width:100%;max-height:45vh}.home{padding:24px 16px}.viewer{height:80vh}}@media (max-width:720px){.home{padding:24px 16px}.cards{grid-template-columns:1fr}}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes glowPulse{0%,to{box-shadow:0 0 20px #46bc244d}50%{box-shadow:0 0 30px #46bc2480}}@keyframes floatElement{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.cards{animation:.6s ease-out fadeIn}.card{animation:.5s ease-out backwards slideInUp}.card:first-child{animation-delay:.1s}.card:nth-child(2){animation-delay:.2s}.card:nth-child(3){animation-delay:.3s}.card:nth-child(4){animation-delay:.4s}.card:nth-child(5){animation-delay:.5s}.card:nth-child(6){animation-delay:.6s}.card:hover{animation:2s ease-in-out glowPulse}.home h1{animation:.8s ease-out slideInUp}.card{-webkit-backdrop-filter:blur(10px)}.sidebar{-webkit-backdrop-filter:blur(8px)}.btn--primary{position:relative;overflow:hidden}.btn--primary:before{content:"";background:#ffffff4d;border-radius:50%;width:0;height:0;transition:width .6s,height .6s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.btn--primary:active:before{width:300px;height:300px}.search-input{position:relative}.search-input input{padding-left:36px;transition:all .3s}.search-input input:focus{box-shadow:inset 0 2px 5px #0006,0 0 0 3px #46bc241f,0 0 12px #46bc244d}.search-icon{color:var(--text-muted);pointer-events:none;opacity:.6;transition:opacity .2s;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input input:focus~.search-icon{opacity:1;color:var(--accent)}.empty-state{text-align:center;color:var(--text-muted);padding:60px 40px}.empty-state__icon{opacity:.6;margin-bottom:16px;font-size:48px}.empty-state__title{color:var(--text);margin-bottom:8px;font-size:18px;font-weight:700}.empty-state__text{font-size:14px;line-height:1.6}.tag-filter{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.tag-filter button{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-muted);font:inherit;cursor:pointer;border-radius:8px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .2s}.tag-filter button:hover{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent);transform:translateY(-2px)}.tag-filter button.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);box-shadow:0 0 12px #46bc244d}.doc-stats{background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:var(--radius-md);gap:16px;margin-top:16px;padding:12px 16px;font-size:13px;display:flex}.doc-stat{align-items:center;gap:6px;display:flex}.doc-stat__label{color:var(--text-muted)}.doc-stat__value{color:var(--accent);font-weight:700}.reading-progress{z-index:1000;background:linear-gradient(90deg,#46bc24 0%,#34d399 100%);width:0%;height:3px;transition:width .2s;position:fixed;top:0;left:0}.theme-toggle{border:1px solid var(--border-strong);background:var(--bg-elev);width:40px;height:40px;color:var(--text);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:18px;transition:all .3s;display:inline-flex}.theme-toggle:hover{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent);transform:rotate(20deg)scale(1.05)}.breadcrumb{color:var(--text-muted);align-items:center;gap:8px;padding:12px 0;font-size:13px;animation:.5s ease-out slideInUp;display:flex}.breadcrumb a{color:var(--accent);transition:all .2s}.breadcrumb a:hover{color:color-mix(in srgb, var(--accent) 80%, white);text-decoration:underline}.breadcrumb__separator{opacity:.5}.page-transition{animation:.4s ease-out fadeIn}@keyframes skeletonLoading{0%{background-position:-1000px 0}to{background-position:1000px 0}}.skeleton{background:linear-gradient(90deg, var(--surface-2) 0%, var(--surface) 50%, var(--surface-2) 100%);border-radius:var(--radius);background-size:1000px 100%;animation:2s infinite skeletonLoading}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}