/* Public pages of the merged site and file management. Same palette and type as the connected library (connected-design.css). */
:root{--bg:#eae8e3;--paper:#fff;--warm:#f3f2ed;--ink:#2d2c28;--muted:#5f5e5a;--line:#d7d6d2;--line-strong:#c2c1bd;--accent:#853c36;--accent-soft:#f4e8e4;--dark:#2e2d29;--ok:#2f5d43;--ok-soft:#e5efe8;--warn-soft:#f6efdc;--radius:6px;color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 "Segoe UI","Microsoft YaHei",system-ui,sans-serif}
a{color:inherit;text-underline-offset:3px}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:8px;background:var(--dark);color:#fff;padding:8px 14px;border-radius:4px;z-index:5}
.skip:focus{left:12px}
.beta-ribbon{margin:0;background:var(--dark);color:#e8e6e1;font-size:12.5px;padding:7px max(20px,calc((100vw - 1120px)/2));letter-spacing:.01em}
.beta-ribbon strong{background:#d1a89e;color:var(--dark);border-radius:3px;padding:1px 6px;margin-right:8px;font-size:11px;letter-spacing:.08em}

/* Top bar */
.top{display:flex;align-items:center;gap:32px;background:var(--paper);border-bottom:1px solid var(--line-strong);padding:0 max(20px,calc((100vw - 1120px)/2));min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:5px;background:var(--dark);color:#f4f4f2;font:600 13px/1 "Segoe UI",sans-serif;letter-spacing:.04em}
.brand .word{font:400 26px/1 Georgia,serif;letter-spacing:-.8px}
.nav{display:flex;gap:26px;align-self:stretch}
.nav a{display:flex;align-items:center;text-decoration:none;color:var(--muted);font-size:14px;font-weight:500;position:relative}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);border-radius:2px 2px 0 0}
.tools{margin-left:auto;display:flex;align-items:center;gap:8px}
.tools a{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 12px;border-radius:5px;text-decoration:none;color:#4c4b47;font-size:13.5px}
.tools a:hover{background:#f0efeb;color:var(--ink)}
.tools .account{border:1px solid #d6d5d1}

main{max-width:1120px;margin:0 auto;padding:34px 20px 56px;outline:none}
h1{font:600 clamp(26px,4vw,36px)/1.2 "Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:-.6px;margin:6px 0 10px}
h2{font-size:18px;font-weight:600;margin:0 0 14px;letter-spacing:-.2px}
.eyebrow{margin:0;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.lead{color:var(--muted);margin:0 0 18px;max-width:680px}
.muted{color:var(--muted)}
.break{overflow-wrap:anywhere}
code,pre{font-family:Consolas,"Courier New",monospace;font-size:13px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:0 16px;border-radius:4px;border:1px solid transparent;font:inherit;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--dark);color:#fff}
.btn.primary:hover{background:#45443f;color:#fff}
.btn.quiet{background:var(--paper);border-color:var(--line-strong);color:#4a4945}
.btn.quiet:hover{border-color:#8f8e89;color:var(--ink)}
.btn.danger{background:var(--paper);border-color:#d9b9b3;color:var(--accent)}
.btn.large{min-height:48px;padding:0 22px;font-size:15px}
.btn.small{min-height:32px;padding:0 11px;font-size:13px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.link-button{border:0;background:none;padding:0;font:inherit;color:var(--accent);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.unavailable{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:4px;background:var(--warm);color:var(--muted);font-size:14px}

/* Search */
.search{display:flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--radius);padding:6px 6px 6px 14px;max-width:640px}
.search:focus-within{border-color:#8f8e89;box-shadow:0 0 0 3px #e3e1db}
.search-icon{color:var(--muted);display:flex}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:15px;min-height:38px;color:var(--ink)}

/* Home */
.hero{padding:22px 0 28px}
.hero h1{font-size:clamp(28px,4.6vw,42px);max-width:760px}
.hero .lead{font-size:16px}
.entries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:26px 0}
.entry{display:flex;flex-direction:column;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.entry:hover{border-color:#a9a8a3;box-shadow:0 4px 14px rgba(46,45,41,.07);color:inherit}
.entry h2{margin:6px 0 0;font-size:17px}
.entry p{margin:0;color:var(--muted);font-size:14px;flex:1}
.entry-icon{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:6px;background:var(--warm);color:var(--accent)}
.entry-go{font-size:13.5px;font-weight:600;color:var(--accent);margin-top:8px}
.apply-strip{margin:30px 0 0;padding:16px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted)}
.apply-strip a{color:var(--accent);font-weight:600}

/* Sign-in screen (home page before sign-in) */
.gate{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);grid-template-areas:"intro card" "points card";grid-template-rows:auto 1fr;column-gap:56px;align-items:start;padding:26px 0 8px}
.gate-intro{grid-area:intro}
.gate-card{grid-area:card}
.gate-points{grid-area:points}
.gate-intro h1{margin-top:8px}
.gate-intro .lead{max-width:34em}
.gate-points{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:16px;align-self:start}
.gate-points li{display:flex;gap:14px;align-items:flex-start}
.gate-points strong{display:block;font-size:15px}
.gate-points small{display:block;color:var(--muted);font-size:13.5px}
.gate-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 26px 24px;box-shadow:0 1px 2px rgba(45,44,40,.05)}
.gate-card>h2{margin-top:18px}
.gate-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin:0 0 18px}
.gate-tabs a{padding:14px 0 12px;text-decoration:none;color:var(--muted);font-weight:500;position:relative}
.gate-tabs a[aria-current="page"]{color:var(--ink);font-weight:600}
.gate-tabs a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);border-radius:2px 2px 0 0}
.gate-form{display:flex;flex-direction:column;gap:6px}
.gate-form label{font-size:13.5px;font-weight:600;margin-top:8px}
.gate-form input,.gate-form textarea{font:inherit;font-size:15px;width:100%;min-height:42px;padding:8px 11px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;color:var(--ink)}
.gate-form textarea{resize:vertical;min-height:84px}
.gate-form input:focus,.gate-form textarea:focus{border-color:var(--accent);outline:2px solid var(--accent-soft);outline-offset:0}
.gate-form .btn{margin-top:16px;align-self:stretch;min-height:44px}
.gate-form .notice{margin:4px 0 6px}
.gate-form .notice:focus{outline:none}
.gate-card>.muted{margin:0 0 4px;font-size:14px}
.gate-card .gate-help{margin:14px 0 0;font-size:13.5px;color:var(--muted)}
.gate-public{margin:34px 0 0;padding:16px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted)}
.gate-public a{color:var(--accent);font-weight:500}
.hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.signed{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:-4px 0 16px;color:var(--muted);font-size:14px}

/* HELI card */
.heli{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:24px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:22px;margin:4px 0 8px;box-shadow:0 1px 0 rgba(46,45,41,.04)}
.heli-art{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;aspect-ratio:1;border-radius:8px;background:linear-gradient(145deg,#33322e,#4a3a35);color:#f3e7e2}
.heli-art svg{width:46px;height:46px;stroke-width:1.5;color:#e4b5a8}
.heli-art strong{font-size:22px;letter-spacing:.06em}
.heli-art span{font-size:9.5px;letter-spacing:.22em;opacity:.75}
.heli h2{font-size:22px;margin:4px 0 2px}
.heli h2 a{text-decoration:none}
.ver{display:inline-block;vertical-align:middle;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:3px;padding:1px 7px;margin-left:4px;letter-spacing:0}
.heli .sub{margin:0 0 12px;color:var(--muted)}
.facts{display:flex;flex-wrap:wrap;gap:6px 28px;margin:0}
.facts div{min-width:0}
.facts dt{font-size:11.5px;color:var(--muted)}
.facts dd{margin:0;font-weight:600;font-size:14px}
.heli-actions{display:flex;flex-direction:column;align-items:stretch;gap:8px;min-width:190px}
.heli-actions small{color:var(--muted);text-align:center;font-size:12px}
.heli.compact{grid-template-columns:96px minmax(0,1fr) auto;padding:18px}
.heli.compact .heli-art svg{width:32px;height:32px}
.heli.compact .heli-art strong{font-size:16px}
.heli.compact .heli-art span{display:none}

/* Download center */
.page-head{padding:4px 0 6px;margin-bottom:22px}
.crumbs{margin:0 0 4px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}
.tabs a{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--paper);text-decoration:none;font-size:13.5px;color:#4a4945}
.tabs a[aria-current="page"]{background:var(--dark);border-color:var(--dark);color:#fff}
.section{margin-top:28px}
.folders{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.folder{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;text-decoration:none}
.folder:hover{border-color:#a9a8a3}
.folder strong{display:block}
.folder small{display:block;color:var(--muted);font-size:12.5px}
.folder-icon{color:#a7704f;display:flex}
.folder-icon svg{width:28px;height:28px;stroke-width:1.5}
.files{list-style:none;margin:0;padding:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.file-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-top:1px solid var(--line)}
.file-row:first-child{border-top:0}
.file-icon{display:flex;color:var(--muted)}
.file-icon svg{width:24px;height:24px;stroke-width:1.5}
.file-main{flex:1;min-width:0;display:flex;flex-direction:column}
.file-name{overflow-wrap:anywhere;font-weight:600}
.file-meta{font-size:13px;color:var(--muted)}
.file-meta a{color:var(--muted)}
.empty{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;color:var(--muted);margin:0}
.mobile-note{display:none;margin-top:22px;padding:12px 16px;border-left:3px solid var(--accent);background:var(--paper);font-size:14px}

/* HELI detail */
.detail-title{display:flex;gap:16px;align-items:center}
.detail-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:10px;background:linear-gradient(145deg,#33322e,#4a3a35);color:#e4b5a8;flex:none}
.detail-icon svg{width:34px;height:34px;stroke-width:1.5}
.detail-title h1{margin:0}
.detail-title .lead{margin:4px 0 0}
.detail{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:20px;align-items:start}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:22px}
.panel h2{margin-top:6px}
.panel h2:not(:first-child){margin-top:26px}
.download-panel{display:flex;flex-direction:column;gap:8px}
.download-panel>small{color:var(--muted);text-align:center}
.spec{margin:14px 0 0;border-top:1px solid var(--line)}
.spec div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--line)}
.spec dt{color:var(--muted);font-size:13.5px;flex:none}
.spec dd{margin:0;text-align:right;font-weight:500;font-size:14px;min-width:0}
.sha{margin-top:14px;display:flex;flex-direction:column;gap:8px;background:var(--warm);border-radius:6px;padding:12px}
.sha span{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.05em}
.sha code{overflow-wrap:anywhere;font-size:12.5px;line-height:1.5}
.sha .btn{align-self:flex-start}
.steps{padding-left:20px;margin:0}
.steps li{margin:0 0 12px}
pre{background:#2e2d29;color:#f1efe9;border-radius:6px;padding:10px 12px;overflow-x:auto;margin:8px 0 0}
.history{margin:0;padding-left:20px}

/* File management */
.notice{margin:12px 0 0;padding:10px 14px;border-radius:4px;border-left:3px solid}
.notice.ok{background:var(--ok-soft);border-color:var(--ok);color:#234532}
.notice.err{background:var(--accent-soft);border-color:var(--accent);color:#672820}
.notice.warn{background:var(--warn-soft);border-color:#b38b2e;color:#5a4614}
.table-wrap{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--warm);white-space:nowrap}
.admin-table td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.admin-table tr:first-child td{border-top:0}
.admin-table td small{display:block;color:var(--muted);font-size:12.5px}
.admin-table details{margin-top:6px}
.admin-table summary{cursor:pointer;font-size:13px;color:var(--accent)}
.row-actions{display:flex;flex-wrap:wrap;gap:6px;min-width:170px}
.pill{display:inline-block;font-size:12px;border-radius:999px;padding:2px 9px;background:var(--warm);color:var(--muted);white-space:nowrap}
.pill.on{background:var(--ok-soft);color:var(--ok);font-weight:600}
form.inline{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:6px 0 0}
.row-actions form.inline{margin:0}
form.inline input,form.inline select{font:inherit;font-size:13.5px;min-height:32px;padding:4px 8px;border:1px solid var(--line-strong);border-radius:4px;background:#fff;color:var(--ink);min-width:0;max-width:100%}
form.inline input{flex:1 1 180px}
.folder-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.folder-admin{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.folder-admin h3{margin:0 0 10px;font-size:15px}
.folder-admin ul{list-style:none;margin:0 0 6px;padding:0}
.folder-admin li{padding:8px 0;border-bottom:1px solid var(--line)}
.folder-admin li>span{display:flex;align-items:center;gap:8px}
.folder-admin li small{color:var(--muted);margin-left:auto;font-size:12.5px}
.folder-admin summary{cursor:pointer;font-size:13px;color:var(--accent);margin-top:4px}
.upload-placeholder{background:var(--paper);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:24px;color:var(--muted)}
.upload-placeholder p{margin:0}

/* Footer */
.foot{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line-strong);padding:22px max(20px,calc((100vw - 1120px)/2)) 30px;color:var(--muted);font-size:13px}
.foot p{margin:4px 0 0}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}

/* Download tray */
.tray{position:fixed;right:20px;bottom:20px;width:min(380px,calc(100vw - 40px));background:var(--paper);border:1px solid var(--line-strong);border-radius:8px;box-shadow:0 10px 30px rgba(46,45,41,.18);padding:14px 16px;z-index:10;display:flex;flex-direction:column;gap:8px}
.tray[hidden]{display:none}
.tray-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.tray-head strong{font-size:14px;overflow-wrap:anywhere}
.tray progress{width:100%;height:8px;accent-color:var(--accent)}
.tray-body p,.tray-message{margin:0;font-size:13px;color:var(--muted)}
.tray-message.err{color:var(--accent)}
.tray-message.ok{color:var(--ok)}
.tray-body[hidden]{display:none}

@media(max-width:900px){
  .gate{grid-template-columns:1fr;grid-template-areas:"intro" "card" "points";grid-template-rows:auto;row-gap:22px;padding-top:4px}
  .gate-points{margin-top:6px}
  .top{flex-wrap:wrap;gap:0 18px;padding-top:12px}
  .nav{order:3;flex-basis:100%;height:44px;gap:22px;overflow-x:auto}
  .tools{margin-left:auto}
  .entries{grid-template-columns:1fr}
  .heli{grid-template-columns:110px minmax(0,1fr)}
  .heli-actions{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;align-items:center}
  .heli-actions small{text-align:left}
  .detail{grid-template-columns:1fr}
  .folder-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  main{padding:22px 16px 44px}
  .brand .word{font-size:23px}
  .tools a{padding:0 9px}
  .tools .account span{display:none}
  .heli,.heli.compact{grid-template-columns:72px minmax(0,1fr);gap:14px;padding:16px}
  .heli-art span{display:none}
  .heli-art svg{width:28px;height:28px}
  .heli-art strong{font-size:14px}
  .heli h2{font-size:18px}
  .file-row{flex-wrap:wrap;gap:6px 12px}
  .file-main{flex:1 1 calc(100% - 40px)}
  .file-row .btn{margin-left:36px}
  .mobile-note{display:block}
  .search{padding-left:10px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(forced-colors:active){:focus-visible{outline-color:Highlight}}