:root{color-scheme:light;--navy:#102d4d;--ink:#1c2e41;--muted:#6c7785;--line:#dce2e7;--paper:#f7f8fa;--accent:#21675b;font-family:Arial,Tahoma,"Thonburi",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.55}[hidden]{display:none!important}a:focus-visible,button:focus-visible{outline:3px solid #59a79c;outline-offset:4px}h1,h2,p{margin:0}
.app-header{height:72px;display:flex;align-items:center;gap:20px;padding:0 32px;border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:center;gap:12px;font-size:22px;letter-spacing:-.5px}.brand strong{font-weight:700}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;color:#fff;background:var(--navy);font-size:23px}.header-context{margin-left:auto;font-size:10px;letter-spacing:1.4px;color:var(--muted)}.nav-toggle{display:none;border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px 14px;min-height:44px}
.app-layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100dvh - 72px)}.sidebar{display:flex;flex-direction:column;padding:30px 18px 22px;background:#fff;border-right:1px solid var(--line)}.sidebar-label{font-size:10px;font-weight:700;letter-spacing:1.7px;color:#939aa2;padding:0 14px;margin-bottom:16px}.section-link{display:flex;gap:12px;align-items:center;background:#f0f4f7;border-radius:8px;padding:13px 14px;font-size:14px;font-weight:700;color:var(--navy)}.section-link>span{font-size:20px}.category-heading{display:flex;align-items:center;justify-content:space-between;padding:24px 14px 12px;font-size:12px;font-weight:700}.count{display:grid;place-items:center;min-width:22px;height:20px;border-radius:5px;background:#f0f2f4;color:var(--muted);font-size:11px}.document-nav{display:grid;gap:4px}.document-link{display:flex;align-items:center;gap:12px;padding:13px 14px;min-height:46px;border-radius:8px;color:#66717f;font-size:13px}.document-link:hover{background:#f7f8fa}.document-link.active{background:#e9f1ef;color:#164c42;font-weight:700}.document-number{font-size:10px;font-variant-numeric:tabular-nums;opacity:.65}.sidebar-footer{margin-top:auto;padding:50px 14px 0;font-size:9px;line-height:1.9;color:#87909a;letter-spacing:.3px}.sidebar-footer span{font-size:11px;letter-spacing:0}
.main-content{min-width:0;padding:28px 38px 36px}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);min-height:18px}.breadcrumbs a:hover{color:var(--navy)}.breadcrumbs>span:last-child{color:var(--ink)}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--accent);margin-bottom:10px}h1{font-size:36px;letter-spacing:-1px;line-height:1.15}.library-heading{margin:38px 0 30px}.library-heading p,.reader-heading p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7}.library-summary{display:flex;justify-content:space-between;gap:16px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);margin-bottom:22px}.library-summary strong{color:var(--ink);font-size:15px;margin-right:4px}.document-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;max-width:1040px}.document-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s,transform .18s}.document-card:hover{border-color:#829b95;transform:translateY(-2px)}.card-preview{height:190px;position:relative;background:#e9eff1;display:flex;justify-content:center;align-items:flex-start;padding-top:22px;overflow:hidden}.preview-mission-card{background:#e8efec}.preview-radio{background:#e9edf4}.preview-pilot-logbook{background:#efeeea}.mini-sheet{width:155px;height:220px;padding:12px 10px;background:#fff;box-shadow:0 4px 14px #17334d18;position:relative;transform:rotate(-3deg);font-family:Arial,sans-serif}.preview-mission-card .mini-sheet{transform:rotate(3deg)}.preview-radio .mini-sheet{transform:rotate(2deg)}.mini-landscape{width:226px;height:155px;margin-top:8px;transform:rotate(-3deg)}.mini-header{font-size:4px;color:#686868;border-bottom:1px solid #ddd;padding-bottom:4px;white-space:nowrap}.mini-title{background:#06245e;color:white;font-size:6px;font-weight:700;text-align:center;padding:6px 0;margin-top:5px}.mini-lines{height:62px;background:repeating-linear-gradient(0deg,#fff 0 6px,#cbd0d6 6px 7px);border:1px solid #39404a;border-top:0;margin-bottom:9px}.small-title{font-size:5px;padding:5px}.short-lines{height:40px}.mini-table{height:52px;border:1px solid #343c45;margin-top:7px;background:repeating-linear-gradient(0deg,transparent 0 12px,#b7bcc3 12px 13px),repeating-linear-gradient(90deg,transparent 0 26px,#b7bcc3 26px 27px)}.second-table{height:68px}.mini-landscape .mini-table{height:66px}.mini-landscape .second-table{display:none}.mini-footer{position:absolute;bottom:10px;left:10px;right:10px;border-top:1px solid #444;padding-top:3px;font-size:3px;font-weight:700}.card-index{position:absolute;top:17px;left:18px;font-size:11px;color:#7b8995;font-variant-numeric:tabular-nums}.card-content{padding:20px 22px}.card-meta{display:flex;justify-content:space-between;gap:8px;color:#86909b;font-size:10px;letter-spacing:.5px}.card-meta>span:first-child{color:var(--accent);font-weight:700;letter-spacing:1px}.card-content h2{font-size:20px;letter-spacing:-.4px;margin:12px 0 8px}.card-content p{font-size:12px;line-height:1.8;color:var(--muted)}.card-open{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:700;color:var(--navy);margin-top:20px;padding-top:14px;border-top:1px solid #edf0f3}.card-open>span{font-size:18px;font-weight:400}.library-note{font-size:9px;letter-spacing:.4px;line-height:1.8;color:#939aa2;margin-top:28px}.library-note>span{margin:0 8px}
.reader{display:flex;flex-direction:column;height:calc(100dvh - 72px);padding-bottom:20px}.reader-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:26px 0 20px}.reader-heading h1{font-size:27px;letter-spacing:-.7px}.reader-heading p{font-size:12px;margin-top:6px}.reader-actions{display:flex;gap:8px;flex:none;align-items:center}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:12px 16px;font-size:12px;font-weight:700;border-radius:7px;border:1px solid var(--navy)}.primary-button{background:var(--navy);color:white}.primary-button:hover:not(:disabled){background:#21486c}.secondary-button{background:white;color:var(--navy)}.primary-button>span{font-size:18px}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-bottom:0;border-radius:9px 9px 0 0;padding:10px 14px;background:#fff;min-height:56px}.view-switch{display:flex;background:#f0f2f5;padding:3px;border-radius:6px;gap:2px}.view-switch>a{min-height:36px;display:flex;align-items:center;justify-content:center;padding:8px 12px;font-size:11px;border-radius:4px;color:var(--muted)}.view-switch>a.selected{background:#fff;color:var(--navy);font-weight:700;box-shadow:0 1px 4px #0001}.toolbar-label{font-size:9px;letter-spacing:1.2px;color:var(--muted);font-weight:700}.page-info{font-size:11px;color:var(--muted);white-space:nowrap}.download-status{font-size:11px;color:var(--muted);line-height:1.6;padding:8px 14px;background:#fff;border-left:1px solid var(--line);border-right:1px solid var(--line)}.download-status.error{color:#a63332}.preview-container{flex:1;min-height:250px;overflow:hidden;background:#e9edf1;border:1px solid var(--line);border-radius:0 0 9px 9px}iframe{display:block;width:100%;height:100%;border:0}
@media(min-width:1450px){.main-content{padding-left:60px;padding-right:60px}.document-grid{grid-template-columns:repeat(4,minmax(0,1fr));max-width:none}.card-content{padding:20px 18px}.card-content h2{font-size:18px}.card-preview{height:210px}}
@media(max-width:1000px){.app-layout{grid-template-columns:200px minmax(0,1fr)}.main-content{padding:24px}.sidebar{padding-left:10px;padding-right:10px}.reader-heading{align-items:flex-start}.reader-actions{flex-direction:column-reverse;align-items:stretch}.reader-toolbar{flex-wrap:wrap}.reader-heading h1{font-size:23px}.card-content{padding:18px}.card-content h2{font-size:18px}}
@media(max-width:700px){.app-header{height:64px;padding:0 18px;gap:12px}.brand{font-size:20px}.brand-mark{width:34px;height:34px;font-size:21px}.header-context{display:none}.nav-toggle{display:block;margin-left:auto}.app-layout{display:block;min-height:calc(100dvh - 64px)}.sidebar{display:none;position:absolute;z-index:4;left:0;right:0;top:64px;padding:20px;border-bottom:1px solid var(--line);box-shadow:0 10px 20px #102d4d18}.sidebar.open{display:flex}.sidebar-footer{display:none}.sidebar-label{display:none}.category-heading{padding-top:16px}.main-content{padding:22px 18px}.reader{height:calc(100dvh - 64px);padding-bottom:12px}.library-heading{margin:28px 0}.library-summary{align-items:flex-start;flex-direction:column;gap:8px}.document-grid{gap:16px}.card-preview{height:152px;padding-top:17px}.mini-sheet{width:125px;height:180px;padding:10px 8px}.mini-landscape{width:150px;height:109px;margin-top:15px}.mini-landscape .mini-table{height:42px}.mini-header{font-size:3px}.mini-title{font-size:5px}.mini-lines{height:50px}.short-lines{height:30px}.card-content{padding:15px 12px}.card-content h2{font-size:16px;line-height:1.3;min-height:41px}.card-content p{font-size:11px}.card-meta{flex-direction:column;gap:5px}.card-index{top:10px;left:12px;font-size:9px}.card-open{margin-top:14px}.reader-heading{margin:20px 0 16px;gap:12px;flex-wrap:wrap}.reader-heading h1{font-size:25px}.reader-heading .eyebrow{margin-bottom:7px}.reader-actions{flex-direction:row;flex-wrap:wrap}.reader-toolbar{padding:8px 10px;gap:8px}.view-switch>a{min-height:38px;padding:8px 10px;font-size:10px}.page-info{font-size:10px}.download-status{font-size:10px;padding:6px 10px}.breadcrumbs{font-size:11px}.library-note{font-size:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}