:root{--bg:#07100f;--panel:#0d1b18;--panel2:#10241f;--ink:#e7f3ee;--muted:#91aaa1;--line:#23463c;--green:#59f2a7;--green2:#1cbf78;--amber:#f4c86a;--max:1180px;--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 0%,#102b24 0,#07100f 36%),var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:var(--green);text-decoration:none}a:hover{color:#a0ffd0}img{max-width:100%;display:block}code,pre,.mono{font-family:"IBM Plex Mono","SFMono-Regular",Consolas,monospace}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(7,16,15,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(89,242,167,.12)}.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:.08em}.brandmark{width:32px;height:32px;border:1px solid var(--green);border-radius:50%;position:relative;box-shadow:0 0 20px rgba(89,242,167,.2)}.brandmark:before,.brandmark:after{content:"";position:absolute;inset:50% auto auto 50%;background:var(--green);transform-origin:left center}.brandmark:before{width:12px;height:1px;transform:rotate(-22deg)}.brandmark:after{width:5px;height:5px;border-radius:50%;transform:translate(-2px,-2px)}.navlinks{display:flex;gap:22px;align-items:center;font-size:.94rem}.navlinks a{color:#c8d8d2}.navlinks a.active,.navlinks a:hover{color:var(--green)}.menu{display:none;background:none;border:1px solid var(--line);color:white;border-radius:10px;padding:8px 11px}.hero{padding:96px 0 72px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}.kicker{color:var(--green);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;font-weight:800}.hero h1{font-size:clamp(3.2rem,8vw,7.4rem);line-height:.88;margin:.2em 0 .24em;letter-spacing:-.055em}.hero h1 span{display:block;color:var(--green);font-family:"IBM Plex Mono",Consolas,monospace;font-size:.31em;letter-spacing:.08em;margin-top:18px}.lead{font-size:clamp(1.12rem,2vw,1.38rem);color:#b8ccc4;max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 19px;font-weight:750;border:1px solid var(--line);color:#fff}.btn.primary{background:var(--green);color:#052016;border-color:var(--green)}.btn:hover{transform:translateY(-1px)}.radar{aspect-ratio:1;border:1px solid #2d6555;border-radius:50%;position:relative;background:radial-gradient(circle,#11362d 0 1px,transparent 2px),repeating-radial-gradient(circle,transparent 0 18%,rgba(89,242,167,.15) 18.3% 18.7%,transparent 19% 36%);box-shadow:inset 0 0 70px rgba(89,242,167,.06),0 0 70px rgba(0,0,0,.35);overflow:hidden}.radar:before,.radar:after{content:"";position:absolute;background:rgba(89,242,167,.18)}.radar:before{height:1px;left:0;right:0;top:50%}.radar:after{width:1px;top:0;bottom:0;left:50%}.sweep{position:absolute;width:50%;height:50%;left:50%;top:0;background:conic-gradient(from 88deg,rgba(89,242,167,.32),transparent 42deg);transform-origin:0 100%;animation:sweep 5s linear infinite}.blip{position:absolute;width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 12px var(--green)}.blip.b1{left:65%;top:31%}.blip.b2{left:31%;top:58%}.blip.b3{left:53%;top:70%}.radar-label{position:absolute;left:50%;bottom:12%;transform:translateX(-50%);font:700 .75rem/1 monospace;color:#81caaa;letter-spacing:.14em}@keyframes sweep{to{transform:rotate(360deg)}}.statbar{border-block:1px solid var(--line);background:rgba(14,34,29,.5)}.stats{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:24px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{font:800 1.55rem/1 monospace;color:var(--green);display:block;margin-bottom:8px}.stat span{font-size:.87rem;color:var(--muted)}section{padding:78px 0}.section-head{display:grid;grid-template-columns:.4fr 1fr;gap:40px;margin-bottom:38px}.section-head h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;margin:0;letter-spacing:-.04em}.section-head p{margin:0;color:#a9beb6;font-size:1.06rem}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:linear-gradient(180deg,rgba(16,36,31,.95),rgba(10,24,21,.95));border:1px solid var(--line);border-radius:var(--radius);padding:24px}.card .num{font:700 .8rem monospace;color:var(--green)}.card h3{font-size:1.3rem;margin:.6rem 0}.card p{color:#a7bab3;margin-bottom:0}.feature{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.feature.reverse .copy{order:2}.museum-img{border-radius:16px;border:1px solid var(--line);background:#091612;padding:8px;box-shadow:0 18px 60px rgba(0,0,0,.35)}.caption{font-size:.79rem;color:var(--muted);margin-top:8px}.quote{border-left:2px solid var(--green);padding:3px 0 3px 22px;margin:28px 0;font-size:1.35rem;color:#dff8ed}.timeline{position:relative;margin-left:12px}.timeline:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:1px;background:var(--line)}.event{position:relative;padding-left:48px;margin:0 0 34px}.event:before{content:"";position:absolute;left:4px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:3px solid var(--green)}.event time{font:700 .8rem monospace;color:var(--green)}.event h3{margin:.2rem 0 .25rem;font-size:1.3rem}.event p{margin:0;color:#a7bab3}.codebox{background:#030807;border:1px solid #16362e;border-radius:14px;padding:20px;overflow:auto;color:#a9f4ca;font-size:.88rem;box-shadow:inset 0 0 40px rgba(89,242,167,.03)}.tag{display:inline-block;padding:5px 9px;border:1px solid var(--line);border-radius:999px;color:#9bc6b5;font:700 .72rem monospace;margin:3px}.page-hero{padding:78px 0 44px}.page-hero h1{font-size:clamp(2.8rem,7vw,5.8rem);line-height:.95;letter-spacing:-.05em;margin:.12em 0 .26em}.page-hero p{max-width:820px;font-size:1.18rem;color:#acc1b8}.prose{max-width:850px}.prose h2{font-size:2rem;margin-top:2.4em}.prose h3{font-size:1.35rem;margin-top:1.8em}.prose p{color:#c4d3cd}.prose .source-note{background:#0e201c;border:1px solid var(--line);border-radius:14px;padding:18px;color:#a9beb6}.compare{width:100%;border-collapse:collapse;margin:28px 0}.compare th,.compare td{padding:14px;border-bottom:1px solid var(--line);text-align:left}.compare th{color:var(--green);font:700 .78rem monospace;text-transform:uppercase;letter-spacing:.1em}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.gallery figure{margin:0}.archive-list{display:grid;gap:12px}.archive-item{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.archive-item b{display:block}.archive-item span{color:var(--muted);font-size:.9rem}.notice{border:1px solid #6b5b2a;background:rgba(244,200,106,.07);border-radius:14px;padding:18px;color:#ddcfaa}.footer{margin-top:60px;border-top:1px solid var(--line);padding:35px 0 50px;color:#789087;font-size:.88rem}.footer-grid{display:flex;justify-content:space-between;gap:30px}.smallcaps{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:var(--muted);font-weight:800}@media(max-width:850px){.navlinks{display:none;position:absolute;top:70px;left:0;right:0;background:#081411;border-bottom:1px solid var(--line);padding:20px;flex-direction:column;align-items:flex-start}.navlinks.open{display:flex}.menu{display:block}.hero{padding-top:60px}.hero-grid,.feature,.section-head{grid-template-columns:1fr}.feature.reverse .copy{order:0}.radar{max-width:420px;margin:auto}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.cards{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.footer-grid{flex-direction:column}.page-hero{padding-top:55px}}@media(max-width:480px){.wrap{width:min(var(--max),calc(100% - 26px))}.stats{grid-template-columns:1fr}.stat{border-right:0!important;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.hero h1{font-size:3.1rem}}

.atlas-icons{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.atlas-icon{min-height:170px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#10241f,#091612);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;overflow:hidden}.atlas-icon img{height:105px;width:100%;object-fit:contain;filter:drop-shadow(0 0 8px rgba(89,242,167,.12))}.atlas-icon span{margin-top:10px;font:700 .72rem monospace;color:var(--muted)}.icon-stage{border:1px solid var(--line);border-radius:16px;background:radial-gradient(circle at 50% 50%,#153c31,#091612 68%);display:grid;grid-template-columns:repeat(3,1fr);align-items:center;padding:28px;min-height:300px}.icon-stage img{max-height:180px;justify-self:center;filter:drop-shadow(0 0 12px rgba(89,242,167,.25))}@media(max-width:850px){.atlas-icons{grid-template-columns:repeat(3,1fr)}}@media(max-width:480px){.atlas-icons{grid-template-columns:repeat(2,1fr)}.atlas-icon{min-height:140px}.atlas-icon img{height:80px}}

.memory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.memory{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:linear-gradient(180deg,rgba(16,36,31,.85),rgba(10,24,21,.9))}.memory .meta{font:700 .74rem monospace;color:var(--green);letter-spacing:.08em;text-transform:uppercase}.memory blockquote{margin:14px 0 0;font-size:1.12rem;color:#d7e7e1}.evidence{border-left:3px solid var(--green);background:#0d211c;padding:18px 20px;border-radius:0 14px 14px 0;margin:24px 0}.evidence.amber{border-left-color:var(--amber)}.source-links{display:grid;gap:10px;margin:24px 0}.source-links a{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#091612}.callout{padding:28px;border:1px solid var(--green);border-radius:var(--radius);background:radial-gradient(circle at 90% 10%,rgba(89,242,167,.12),transparent 38%),#0b1d19}.callout h2{margin-top:0}.big-number{font:800 clamp(2.5rem,7vw,5.5rem)/1 monospace;color:var(--green)}@media(max-width:850px){.memory-grid{grid-template-columns:1fr}}

/* ACARS protocol signature */
.protocol-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(0,255,180,.025)}
.sync-sequence{font-family:var(--mono);font-size:clamp(1.35rem,3vw,2.6rem);letter-spacing:.04em;margin-bottom:12px}
.sync-sequence span{display:inline-block;margin-right:.22em;color:var(--green);text-shadow:0 0 18px rgba(83,255,190,.18)}
.sync-sequence b{font-size:.45em;letter-spacing:.14em;color:var(--muted);font-weight:600;vertical-align:middle}
.protocol-strip p{max-width:820px;color:var(--muted)}

.flow{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#091612}.flow span{font:800 .78rem monospace;color:var(--green);border:1px solid var(--line);border-radius:999px;padding:9px 12px}.flow b{color:var(--muted)}.flow.wide{margin-top:24px}@media(max-width:600px){.flow{align-items:stretch;flex-direction:column;text-align:center}.flow b{transform:rotate(90deg)}}


/* V13 — reconstructed Tcl/Tk Easter egg */
.retro-window{max-width:860px;margin:28px auto;border:2px solid #b9b9b9;background:#c9c9c9;color:#111;box-shadow:8px 10px 0 rgba(0,0,0,.28);font-family:Tahoma,"MS Sans Serif",sans-serif}
.retro-title{padding:5px 8px;background:linear-gradient(90deg,#173f83,#4d7ec1);color:white;font-weight:700;font-size:.86rem;border-bottom:2px solid #8b8b8b}
.retro-body{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:18px}
.retro-author{border:2px inset #eee;background:#efefef;padding:8px;text-align:center}.retro-author img{width:100%;height:190px;object-fit:cover;filter:saturate(.82)}.retro-author small{display:block;margin-top:6px;color:#333}
.retro-games{display:grid;gap:12px;align-content:start}.retro-games button{text-align:left;border:2px outset #eee;background:#d5d5d5;color:#111;padding:10px 12px;font:700 .95rem Tahoma,"MS Sans Serif",sans-serif;cursor:default}.retro-games button span{display:block;font-weight:400;font-size:.82rem;margin-top:4px;color:#333}
.secret{max-width:860px;margin:18px auto;border:1px solid var(--line);border-radius:14px;padding:15px 18px;background:#091612}.secret summary{cursor:pointer;color:var(--green);font-weight:800}.secret-code{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0}.secret-code kbd{border:1px solid #537167;border-bottom-width:3px;background:#10241f;border-radius:7px;padding:6px 9px;color:#eafff6;font:800 .85rem monospace}.secret-code b{color:var(--muted)}
.memory.memorial{background:linear-gradient(180deg,rgba(22,28,27,.95),rgba(8,15,13,.95));border-color:#51645e}.memory.memorial .meta{color:#c9d8d2}
@media(max-width:650px){.retro-body{grid-template-columns:1fr}.retro-author{max-width:220px;margin:auto;width:100%}}

.gallery.three{grid-template-columns:repeat(3,1fr)}.gallery.compact{gap:14px}.gallery .museum-img{width:100%;height:100%;object-fit:cover}.gallery figure{display:flex;flex-direction:column}.gallery figure .museum-img{flex:1;min-height:210px;max-height:420px}.caption strong{color:#dff8ed}@media(max-width:1000px){.gallery.three{grid-template-columns:1fr 1fr}}@media(max-width:650px){.gallery.three{grid-template-columns:1fr}}

/* V18.1 — statistics */
.stats-intro{padding-top:18px}.stats-hero-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.mega-stat{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:linear-gradient(180deg,rgba(16,36,31,.95),rgba(7,18,15,.98))}.mega-stat strong{display:block;font:800 clamp(2rem,4vw,3.6rem)/1 monospace;color:var(--green);letter-spacing:-.06em}.mega-stat span{display:block;color:var(--muted);margin-top:12px;font-size:.9rem}.table-scroll{overflow-x:auto}.stats-table .n{text-align:right;font-family:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;color:#dff8ed;white-space:nowrap}.stats-table td:nth-child(1){white-space:nowrap}.stats-cards{margin-top:32px}.data-numbers{background:rgba(14,34,29,.28);border-block:1px solid var(--line)}.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}.data-grid article{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#091612}.data-grid strong{font:800 clamp(2.1rem,5vw,4rem)/1 monospace;color:var(--amber);display:block;letter-spacing:-.06em}.data-grid h3{margin:.7rem 0 .35rem}.data-grid p{color:#a7bab3}.data-grid small{color:#6f8e82;font:700 .68rem monospace;text-transform:uppercase;letter-spacing:.08em}@media(max-width:950px){.stats-hero-grid,.data-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.stats-hero-grid,.data-grid{grid-template-columns:1fr}.stats-table td,.stats-table th{padding:10px 12px}.mega-stat{padding:20px}}
/* V18.3 — opinionated source review */
.review-table .review-score{font:800 1rem/1 "IBM Plex Mono","SFMono-Regular",Consolas,monospace;color:var(--green);white-space:nowrap}.review-table .review-score.mid{color:var(--amber)}.review-table .review-score.low{color:#e89b82}.review-final{display:grid;grid-template-columns:1fr auto;gap:11px 22px;align-items:baseline;margin-top:18px}.review-final span{color:#a7bab3}.review-final b{font:800 1.05rem/1 monospace;color:var(--green)}@media(max-width:560px){.review-final{grid-template-columns:1fr auto;gap:10px 14px}.review-table td:nth-child(3){min-width:330px}}

/* V20 — recovered archive & WORLD report calendar */
.archive-recovery{background:linear-gradient(180deg,rgba(14,34,29,.34),rgba(7,18,15,.6));border-block:1px solid var(--line)}
.recovery-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.recovery-flow div{border:1px solid var(--line);border-radius:14px;background:#091612;padding:18px}.recovery-flow b{display:block;color:var(--green);font:800 .82rem monospace;margin-bottom:6px}.recovery-flow span{color:var(--muted);font-size:.9rem}
.live-log{border:1px solid var(--line);border-radius:14px;background:#050d0b;padding:18px;overflow:auto;color:#a9f4ca;font:.82rem/1.55 monospace}.year-jump{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}.year-jump a{border:1px solid var(--line);border-radius:999px;padding:7px 11px;font:800 .75rem monospace}
.report-year{padding-top:28px}.report-month-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.report-month{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#091612}.report-month h3{margin:.1rem 0 14px;color:#dff8ed}.day-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.report-day{display:flex;min-height:32px;align-items:center;justify-content:center;border:1px solid #285244;border-radius:7px;background:#10241f;color:var(--green);font:800 .72rem monospace;text-decoration:none}.report-day:hover{background:#17362d}.report-day.missing{opacity:.18;color:#789087;pointer-events:none}.report-day.tiny{border-color:#6b5b2a;color:var(--amber)}.report-summary{margin-bottom:22px}.memory-note{border-left:3px solid var(--amber);padding:14px 18px;background:rgba(244,200,106,.06);border-radius:0 12px 12px 0}
@media(max-width:900px){.report-month-grid,.recovery-flow{grid-template-columns:1fr 1fr}}@media(max-width:560px){.report-month-grid,.recovery-flow{grid-template-columns:1fr}}

/* V20.1 — recovery statistics layout fix */
.recovery-stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}
.recovery-stats-grid article,.recovery-format{border:1px solid var(--line);border-radius:var(--radius);background:#091612;padding:20px;min-width:0}
.recovery-stats-grid strong,.recovery-format strong{display:block;font-size:clamp(1.55rem,3vw,2.35rem);line-height:1.05;color:var(--green);overflow-wrap:anywhere}
.recovery-stats-grid h3,.recovery-format h3{margin:.55rem 0 .35rem}
.recovery-stats-grid p,.recovery-format p{margin:.2rem 0;color:var(--muted)}
.recovery-stats-grid small{color:var(--muted);font:700 .72rem monospace}
.recovery-format{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:16px}
.recovery-format>div+div{border-left:1px solid var(--line);padding-left:28px}
@media(max-width:800px){.recovery-stats-grid{grid-template-columns:1fr}.recovery-format{grid-template-columns:1fr}.recovery-format>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:18px}}

/* V21 — ACARS 101, message examples and restored download archive */
.acars-capabilities{grid-template-columns:repeat(4,minmax(0,1fr))}
.message-showcase{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.message-card{border:1px solid var(--line);border-radius:var(--radius);background:#091612;padding:20px;min-width:0}
.message-card h3{margin:.55rem 0 .8rem}
.message-card pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#050d0a;border:1px solid var(--line);border-radius:8px;padding:14px;font-size:.82rem;line-height:1.5;overflow:auto}
.message-meta{font:700 .72rem monospace;color:var(--green);letter-spacing:.04em}
.compare-wrap,.table-scroll{overflow-x:auto}
.archive-dir-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:18px}
.archive-dir{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:10px;padding:14px;background:#091612;text-decoration:none}
.archive-dir span{font:700 .9rem monospace;color:var(--green)}
.archive-dir small{margin-top:5px;color:var(--muted)}
.download-table td:first-child{font-family:monospace}
.download-table code{font-size:.78rem}
@media(max-width:1050px){.acars-capabilities{grid-template-columns:repeat(2,minmax(0,1fr))}.archive-dir-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){.message-showcase,.acars-capabilities{grid-template-columns:1fr}.archive-dir-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* V21.1 — grouped desktop navigation */
.navgroup{position:relative;display:flex;align-items:center}
.navdrop{appearance:none;border:0;background:transparent;color:inherit;font:inherit;cursor:pointer;padding:22px 10px;white-space:nowrap}
.navdrop span{font-size:.72em;margin-left:3px;opacity:.7}
.navdrop:hover,.navdrop.active{color:var(--green)}
.dropdown{display:none;position:absolute;z-index:100;top:calc(100% - 1px);left:0;min-width:205px;padding:7px;background:#07120f;border:1px solid var(--line);border-radius:0 0 10px 10px;box-shadow:0 14px 35px rgba(0,0,0,.35)}
.dropdown a{display:block;padding:10px 12px;border-radius:6px;white-space:nowrap}
.dropdown a:hover{background:#0d211a}
@media(min-width:901px){
  .navgroup:hover .dropdown,.navgroup:focus-within .dropdown{display:block}
}
@media(max-width:900px){
  .navlinks .navgroup{display:block;width:100%}
  .navdrop{display:flex;width:100%;align-items:center;justify-content:space-between;padding:12px 0}
  .dropdown{position:static;min-width:0;width:100%;padding:0 0 5px 12px;border:0;border-left:1px solid var(--line);border-radius:0;box-shadow:none;background:transparent}
  .navgroup.open .dropdown{display:block}
  .dropdown a{padding:9px 12px}
}

/* V21.2 — downloads page vertical rhythm */
.download-history-notice{margin-top:28px;margin-bottom:34px}
body:has(.download-history-notice) .page-hero{padding-bottom:38px}
body:has(.download-history-notice) .page-hero + section{padding-top:20px}
body:has(.download-history-notice) .download-history-notice + .section-head{margin-top:34px}
@media(max-width:700px){
  .download-history-notice{margin-top:18px;margin-bottom:26px}
  body:has(.download-history-notice) .page-hero{padding-bottom:28px}
  body:has(.download-history-notice) .page-hero + section{padding-top:16px}
}

/* V22 — completed archive reconstruction, route dead reckoning, Vienna/Corfu/security stories */

/* V22.4 — mobile navigation + WORLD ACARS reports responsive hardening */
@media(max-width:900px){
  .navlinks{
    display:none;
    position:absolute;
    top:70px;
    left:0;
    right:0;
    max-height:calc(100vh - 70px);
    overflow-y:auto;
    background:#081411;
    border-bottom:1px solid var(--line);
    padding:18px 20px 24px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .navlinks.open{display:flex}
  .menu{display:block}
  .navlinks>a{display:block;width:100%;padding:11px 0}
  .navlinks .navgroup{display:block;width:100%}
  .navdrop{
    appearance:none;
    -webkit-appearance:none;
    display:flex;
    width:100%;
    align-items:center;
    justify-content:space-between;
    margin:0;
    padding:11px 0;
    border:0;
    border-radius:0;
    background:transparent;
    color:#c8d8d2;
    font:inherit;
    text-align:left;
    cursor:pointer;
  }
  .navdrop:hover,.navdrop.active{color:var(--green)}
  .dropdown{
    display:none;
    position:static;
    width:100%;
    min-width:0;
    margin:0 0 8px;
    padding:3px 0 5px 16px;
    border:0;
    border-left:1px solid var(--line);
    border-radius:0;
    box-shadow:none;
    background:transparent;
  }
  .navgroup.open .dropdown{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .dropdown a{
    display:block;
    width:100%;
    padding:8px 12px;
    border-radius:6px;
    white-space:normal;
    line-height:1.35;
    color:#a9beb6;
  }
  .dropdown a.active{color:var(--green);background:rgba(89,242,167,.06)}
}

@media(max-width:560px){
  .report-summary{gap:10px}
  .report-summary .mega-stat{padding:16px 18px}
  .report-summary .mega-stat strong{font-size:1.85rem;line-height:1}
  .report-summary .mega-stat span{margin-top:7px;line-height:1.35}
  .year-jump{gap:7px}
  .year-jump a{padding:7px 10px}
  .report-year{padding-top:18px}
  .report-year .section-head{gap:8px;margin-bottom:18px}
  .report-month-grid{grid-template-columns:1fr;gap:13px}
  .report-month{padding:16px}
  .report-month h3{margin:0 0 12px}
  .day-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;width:100%}
  .report-day{min-width:0;min-height:36px;font-size:.74rem;line-height:1}
}

/* V22.5 — historical ACARS database search */
.database-hero{padding-bottom:42px}
.database-search-page{max-width:1180px}
.database-search-form{border:1px solid var(--line);border-radius:var(--radius);background:#091612;padding:22px;margin-bottom:14px}
.search-form-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr .85fr .85fr;gap:14px;align-items:start}
.search-form-grid label{display:flex;flex-direction:column;gap:7px;min-width:0}
.search-form-grid label>span{font:800 .75rem/1.2 monospace;text-transform:uppercase;letter-spacing:.07em;color:#cfe6dc}
.search-form-grid input{width:100%;min-width:0;border:1px solid #285244;border-radius:8px;background:#06110e;color:#e7f5ef;padding:11px 12px;font:700 .9rem/1.2 monospace;outline:none}
.search-form-grid input:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(89,242,167,.08)}
.search-form-grid small{color:var(--muted);font-size:.72rem;line-height:1.35}
.uppercase-input{text-transform:uppercase}
.search-form-actions{display:flex;align-items:center;gap:14px;margin-top:18px}
.search-button,.search-next{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--green);border-radius:8px;background:var(--green);color:#06110e;padding:10px 15px;font:900 .8rem monospace;text-decoration:none;cursor:pointer}
.search-button:hover,.search-next:hover{filter:brightness(1.08)}
.search-reset,.back-link{font:800 .78rem monospace;color:var(--green)}
.search-error{border-color:#7b4136;background:rgba(190,89,70,.07)}
.search-error ul{margin:.55rem 0 0 1.2rem}
.search-result-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:30px 0 15px}
.search-result-head h2{margin:.25rem 0 0}
.search-query-summary{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.search-query-summary span{border:1px solid var(--line);border-radius:999px;background:#091612;padding:6px 9px;color:#a9beb6;font:800 .69rem monospace}
.search-results-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#07120f}
.search-results-table{width:100%;border-collapse:collapse;min-width:900px}
.search-results-table th,.search-results-table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.search-results-table th{position:sticky;top:0;background:#0b1c17;color:#91aaa0;font:800 .69rem monospace;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}
.search-results-table tbody tr:last-child td{border-bottom:0}
.search-results-table tbody tr:hover{background:rgba(89,242,167,.035)}
.search-results-table td:first-child{white-space:nowrap;font-family:monospace}
.search-results-table td:first-child a{color:var(--green);font-weight:800}
.search-results-table .route-cell{min-width:180px;max-width:340px}
.strong-value{color:#dff8ed;font-weight:800}
.search-pagination{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:15px 0 8px;color:var(--muted);font-size:.82rem}
.message-detail-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:16px;margin:18px 0}
.message-detail-card,.message-content-card{border:1px solid var(--line);border-radius:var(--radius);background:#091612;padding:20px;min-width:0}
.message-detail-card h2,.message-content-card h2{margin:.1rem 0 16px}
.detail-list{display:grid;grid-template-columns:minmax(135px,.48fr) minmax(0,1fr);gap:0;margin:0}
.detail-list dt,.detail-list dd{margin:0;padding:9px 0;border-bottom:1px solid rgba(44,80,68,.55)}
.detail-list dt{padding-right:15px;color:#78968b;font:800 .7rem/1.4 monospace;text-transform:uppercase;letter-spacing:.04em}
.detail-list dd{color:#d8ebe3;overflow-wrap:anywhere}
.message-content-card{margin:16px 0 8px}
.message-content-card pre{margin:0;max-height:620px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);border-radius:9px;background:#050d0b;padding:16px;color:#b9e7cf;font:.82rem/1.55 monospace}
.wrap-anywhere{overflow-wrap:anywhere}.muted-copy{color:var(--muted)}
@media(max-width:1000px){.search-form-grid{grid-template-columns:repeat(3,1fr)}.message-detail-grid{grid-template-columns:1fr}}
@media(max-width:700px){
  .database-hero{padding-bottom:30px}
  .database-search-form{padding:16px}
  .search-form-grid{grid-template-columns:1fr 1fr;gap:13px}
  .search-result-head{align-items:flex-start;flex-direction:column}
  .search-query-summary{justify-content:flex-start}
  .search-pagination{align-items:flex-start;flex-direction:column}
  .search-next{width:100%}
}
@media(max-width:480px){
  .search-form-grid{grid-template-columns:1fr}
  .search-form-actions{align-items:stretch;flex-direction:column}
  .search-button{width:100%}
  .detail-list{grid-template-columns:1fr}
  .detail-list dt{padding-bottom:2px;border-bottom:0}
  .detail-list dd{padding-top:2px}
}

/* V22.6 — aircraft reference enrichment */
.lookup-note{display:inline-flex;align-items:center;margin-left:7px;border:1px solid rgba(89,242,167,.28);border-radius:999px;padding:2px 6px;color:#73cfa6;background:rgba(89,242,167,.05);font:800 .62rem/1.2 monospace;vertical-align:middle}
.lookup-dot{display:inline-flex;align-items:center;justify-content:center;margin-left:5px;width:15px;height:15px;border:1px solid rgba(89,242,167,.35);border-radius:50%;color:var(--green);font:900 .66rem/1 monospace;vertical-align:1px;cursor:help}
.aircraft-meta{display:block;margin-top:3px;color:#78968b;font-size:.7rem;line-height:1.3}

/* V22.13 — ICAO24 aircraft lookup */
.icao-explainer{margin-bottom:2rem}
.icao-result-card{margin-top:1.5rem}
.icao-result-card .section-head{align-items:flex-start}
@media(max-width:720px){.icao-result-card .section-head{display:block}.icao-result-card .section-head>div:last-child{margin-top:.5rem}}

/* V22.15 airport resolution and external aircraft photo links */
.airport-meta{display:block!important;clear:both;width:100%;margin-top:.28rem;color:var(--muted);font-size:.78rem;line-height:1.35;white-space:normal}
.aircraft-photo-links{margin:1.15rem 0;padding:1rem 1.1rem;border:1px solid rgba(70,255,190,.18);border-radius:12px;background:rgba(4,22,18,.45)}
.aircraft-photo-links p{margin:.35rem 0 .7rem}
.aircraft-photo-links small{display:block;margin-top:.7rem;color:var(--muted);line-height:1.45}
.photo-link-row{display:flex;flex-wrap:wrap;gap:.55rem}
.photo-link-row a{display:inline-block;padding:.48rem .7rem;border:1px solid rgba(70,255,190,.28);border-radius:999px;text-decoration:none}
.photo-link-row a:hover{border-color:var(--accent)}

/* V22.17 — current local receiver exhibit */
.current-search-grid{display:grid;grid-template-columns:.9fr 1.15fr 1fr 1fr .85fr;gap:14px;align-items:start}
.current-search-grid label{display:flex;flex-direction:column;gap:7px;min-width:0}
.current-search-grid label>span{font:800 .75rem/1.2 monospace;text-transform:uppercase;letter-spacing:.07em;color:#cfe6dc}
.current-search-grid input{width:100%;min-width:0;border:1px solid #285244;border-radius:8px;background:#06110e;color:#e7f5ef;padding:11px 12px;font:700 .9rem/1.2 monospace;outline:none}
.current-search-grid input:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(89,242,167,.08)}
.live-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0}
.live-stats article{border:1px solid var(--line);border-radius:14px;background:#091612;padding:20px}
.live-stats strong{display:block;font:800 clamp(1.7rem,4vw,3rem)/1 monospace;color:var(--green)}
.live-stats span{display:block;margin-top:8px;color:var(--muted);font-size:.82rem}
.current-results td:nth-child(5){min-width:210px}.current-results small{color:var(--muted)}
@media(max-width:1000px){.current-search-grid{grid-template-columns:repeat(3,1fr)}.live-stats{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.current-search-grid{grid-template-columns:1fr}.live-stats{grid-template-columns:1fr 1fr}}

/* V22.18 — receiver search paging */
.result-pagination{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;margin:1.4rem 0 .75rem}.result-pagination a,.result-pagination .disabled,.result-pagination .page-position{display:inline-flex;align-items:center;justify-content:center;min-height:2.4rem;padding:.55rem .85rem;border:1px solid var(--line,#303841);border-radius:.45rem}.result-pagination a{text-decoration:none}.result-pagination .disabled{opacity:.4}.result-pagination .page-position{border-color:transparent;font-family:var(--mono,monospace);font-size:.92rem}