/* HPB Memory — Plus Jakarta Sans, #F5F5F5, #1E9E1E */
:root{
  --bg:#F5F5F5;
  --card:#ffffff;
  --green:#1E9E1E;
  --green-dark:#168616;
  --text:#1a1a1a;
  --text-soft:#5a5a5a;
  --border:#e3e3e3;
  --danger:#c52828;
  --shadow:0 1px 3px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.04);
}
@font-face{
  font-family:"Plus Jakarta Sans";
  src:local("Plus Jakarta Sans");
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Plus Jakarta Sans","Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.55;
}
a{color:var(--green-dark);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}

/* ---------- LOGIN ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{
  background:var(--card);
  border-radius:14px;
  padding:32px 36px 28px;
  width:380px;max-width:100%;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  overflow:hidden;
}
.brand{margin:-32px -36px 24px;padding:24px 36px;background:#fff;border-bottom:1px solid var(--border);position:relative}
.brand-band{position:absolute;top:0;left:0;right:0;height:6px;background:var(--green)}
.brand h1{margin:6px 0 4px;font-size:22px;font-weight:700;letter-spacing:-.01em}
.brand .sub{margin:0;color:var(--text-soft);font-size:13px}
form{display:flex;flex-direction:column;gap:14px}
form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-soft);font-weight:600}
form input{
  font:inherit;font-size:15px;
  padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  background:#fafafa;
  color:var(--text);
}
form input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(30,158,30,.15);background:#fff}
form button{
  margin-top:6px;
  background:var(--green);color:#fff;
  border:none;border-radius:8px;padding:11px 14px;
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background .15s;
}
form button:hover{background:var(--green-dark)}
.err{
  background:#fde7e7;color:var(--danger);
  padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px;
  border:1px solid #f5c0c0;
}
.hint{margin:18px 0 0;text-align:center;font-size:12px;color:var(--text-soft)}

/* ---------- TOPBAR ---------- */
.topbar{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:10;
}
.topbar::before{content:"";display:block;height:6px;background:var(--green)}
.topbar-inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:14px 22px;
}
.logo-block{display:flex;align-items:center;gap:10px}
.topbar a.title{font-weight:800;color:var(--text);font-size:17px}
.topbar a.title:hover{text-decoration:none;color:var(--green-dark)}
.search{flex:1;display:flex;gap:8px;max-width:520px;margin:0}
.search input{
  flex:1;font:inherit;font-size:14px;
  padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#fafafa;
}
.search input:focus{outline:none;border-color:var(--green);background:#fff}
.search button{
  background:var(--green);color:#fff;border:none;border-radius:8px;
  padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px;
}
.search button:hover{background:var(--green-dark)}
.logout{
  background:transparent;color:var(--text-soft);
  border:1px solid var(--border);border-radius:8px;
  padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;
}
.logout:hover{background:#fafafa;color:var(--text)}
.back{
  color:var(--text-soft);font-size:14px;font-weight:600;
  padding:8px 12px;border-radius:8px;border:1px solid var(--border);
}
.back:hover{background:#fafafa;text-decoration:none}

/* ---------- LIST ---------- */
main{max-width:1200px;margin:0 auto;padding:24px 22px 80px}
.info{color:var(--text-soft);font-size:13px;margin-bottom:18px}
section{margin:0 0 36px}
section h2{
  font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  color:var(--text-soft);margin:0 0 14px;
  display:flex;align-items:center;gap:10px;
}
section h2 .count{
  display:inline-block;background:#e8f5e8;color:var(--green-dark);
  font-size:11px;padding:2px 8px;border-radius:99px;font-weight:700;
}
.files{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.files li{margin:0}
.files li a{
  display:block;background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:14px 16px;
  color:var(--text);
  transition:border-color .15s,box-shadow .15s,transform .15s;
}
.files li a:hover{
  border-color:var(--green);
  box-shadow:0 4px 12px rgba(30,158,30,.08);
  text-decoration:none;
  transform:translateY(-1px);
}
.files .title{font-weight:700;font-size:14.5px;margin-bottom:4px;color:var(--text)}
.files .desc{font-size:13px;color:var(--text-soft);margin-bottom:8px;line-height:1.45}
.files .meta{font-size:11px;color:#a0a0a0;font-family:"SF Mono",Menlo,Consolas,monospace}

/* ---------- FILE PAGE ---------- */
.filepage{padding-top:8px}
.filename{
  font-family:"SF Mono",Menlo,Consolas,monospace;
  font-size:13px;color:var(--text-soft);
  background:#fff;border:1px solid var(--border);
  padding:8px 14px;border-radius:8px;
  display:inline-block;margin-bottom:18px;
}
.md{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:30px 36px;
  box-shadow:var(--shadow);
}
.md h1,.md h2,.md h3,.md h4{font-weight:700;line-height:1.25;margin:1.4em 0 .55em}
.md h1{font-size:26px;border-bottom:2px solid var(--green);padding-bottom:8px;margin-top:0}
.md h2{font-size:21px;color:var(--green-dark)}
.md h3{font-size:17px}
.md p{margin:.9em 0}
.md ul,.md ol{padding-left:1.5em;margin:.8em 0}
.md li{margin:.25em 0}
.md code{
  background:#f4f7f4;color:var(--green-dark);
  padding:1px 6px;border-radius:4px;font-size:.92em;
  font-family:"SF Mono",Menlo,Consolas,monospace;
}
.md pre{
  background:#1e1e1e;color:#e8e8e8;
  padding:16px 18px;border-radius:8px;
  overflow-x:auto;line-height:1.45;font-size:13px;
}
.md pre code{background:transparent;color:inherit;padding:0}
.md blockquote{
  border-left:4px solid var(--green);
  background:#f7fbf7;
  margin:1em 0;padding:.6em 1.2em;color:var(--text-soft);
  border-radius:0 6px 6px 0;
}
.md table{border-collapse:collapse;margin:1em 0;width:100%}
.md th,.md td{border:1px solid var(--border);padding:7px 12px;text-align:left;font-size:14px}
.md th{background:#fafafa;font-weight:700}
.md hr{border:none;border-top:1px solid var(--border);margin:2em 0}
.md a{color:var(--green-dark);font-weight:600}

/* ---------- FOOTER ---------- */
footer{
  text-align:center;color:var(--text-soft);font-size:12px;
  padding:28px 0;border-top:1px solid var(--border);background:#fff;
}

@media(max-width:640px){
  .topbar-inner{flex-wrap:wrap;gap:10px}
  .search{order:3;width:100%;max-width:none}
  .files{grid-template-columns:1fr}
  .md{padding:20px}
}