/* ============================================================
   Abstract submission system — visual language shared with
   sinoaus.net/forum/. Tokens copied verbatim from the site so the
   two properties read as one publication.
   ============================================================ */
:root{
  --paper:#F4EFE3; --paper-2:#ECE4D3; --paper-card:#FBF8F0;
  --ink:#1c1a15; --ink-mute:#5c5749;
  --navy:#15324e; --navy-2:#0e2438; --navy-ink:#0a1a2a;
  --red:#bf1b2c; --red-deep:#911320;
  --gold:#b08a3e; --green:#1f6f4a;
  --line:rgba(21,50,78,.16); --line-2:rgba(21,50,78,.28);
  --serif-display:'Fraunces','Noto Serif SC',Georgia,serif;
  --serif-body:'Newsreader','Noto Sans SC',Georgia,serif;
  --mono:'Space Mono','Noto Sans SC',ui-monospace,monospace;
  --maxw:1100px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--serif-body); color:var(--ink); background:var(--paper);
  line-height:1.6; font-size:17px; min-height:100vh;
  display:flex; flex-direction:column;
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(21,50,78,.06), transparent 60%),
    radial-gradient(900px 500px at -5% 10%, rgba(191,27,44,.05), transparent 55%);
  background-attachment:fixed;
}
/* paper grain — the same SVG turbulence the site uses */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.4;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}
html[data-lang="zh"] .en{display:none !important}
html[data-lang="en"] .zh{display:none !important}
h1,h2,h3,h4{font-family:var(--serif-display);font-weight:600;line-height:1.14;color:var(--navy-ink);letter-spacing:-.01em}
html[data-lang="zh"] h1,html[data-lang="zh"] h2,html[data-lang="zh"] h3{letter-spacing:.01em}
a{color:inherit}
.jlink{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;
  text-decoration-color:color-mix(in srgb,currentColor 45%,transparent);transition:color .2s}
.jlink:hover{color:var(--red)}
.mono{font-family:var(--mono)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2;width:100%}

/* ---------------- announce ---------------- */
.announce{background:var(--navy-ink);color:#f3ecdd;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.04em;position:relative;z-index:3}
.announce .wrap{display:flex;gap:14px;align-items:center;justify-content:center;
  padding:9px 24px;text-align:center;flex-wrap:wrap}
.announce b{color:#fff}
.announce .dot{width:5px;height:5px;border-radius:50%;background:var(--red);display:inline-block;
  animation:pulse 2.4s infinite}
.announce.closed{background:var(--red-deep)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

/* ---------------- nav ---------------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.2) blur(8px);
  background:rgba(244,239,227,.86);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 24px}
.brand{display:flex;align-items:center;gap:11px}
.brand .mk{height:36px;padding:0 10px;border:1.5px solid var(--navy);border-radius:9px;
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;letter-spacing:.14em;
  color:var(--navy);font-size:12px;position:relative;flex:none;white-space:nowrap}
.brand .mk::after{content:"";position:absolute;inset:3px;border-radius:6px;border:1px solid var(--red);opacity:.4}
.brand b{font-family:var(--serif-display);font-size:15px;font-weight:600;color:var(--navy-ink);line-height:1.1;display:block}
.brand small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.16em;
  color:var(--ink-mute);text-transform:uppercase;margin-top:2px}
.navlinks{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.navlinks a{font-size:14px;font-weight:500;position:relative;padding:3px 0;text-decoration:none}
html[data-lang="zh"] .navlinks a{font-family:'Noto Sans SC',sans-serif}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;
  background:var(--red);transition:width .3s var(--ease)}
.navlinks a:hover::after,.navlinks a.on::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;
  font-family:var(--mono);font-size:12px}
.lang button{background:none;border:none;padding:5px 10px;cursor:pointer;color:var(--ink-mute);
  font-family:inherit;transition:.2s}
.lang button.on{background:var(--navy);color:var(--paper)}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--mono);
  font-size:13px;letter-spacing:.04em;padding:10px 18px;border-radius:999px;cursor:pointer;
  border:1.5px solid var(--navy);background:none;color:var(--navy);
  transition:.25s var(--ease);white-space:nowrap;text-decoration:none}
.btn.solid{background:var(--navy);color:var(--paper)}
.btn.solid:hover{background:var(--red);border-color:var(--red);transform:translateY(-2px)}
.btn.ghost:hover{background:var(--navy);color:var(--paper)}
.btn.danger{border-color:var(--red);color:var(--red)}
.btn.danger:hover{background:var(--red);color:#fff}
.btn.sm{padding:6px 13px;font-size:12px}
.btn[disabled],.btn.off{opacity:.45;pointer-events:none}
.btn.wide{width:100%}
/* .btn is nowrap so labels never break mid-phrase, which is right for the
   short verbs on every other button. A full-width button carrying a long
   label has the opposite problem: it is pinned to the column width and the
   text runs straight out of the pill. This opts one button out. */
.btn.wrap{white-space:normal;text-align:center;line-height:1.35;padding-top:9px;padding-bottom:9px}
/* Helper text under a button. `.fmeta` alone will not do — that rule is
   scoped to `.filebox .fmeta`, so it silently does nothing outside the box. */
.tpl-hint{font-family:var(--mono);font-size:11.5px;line-height:1.55;color:var(--ink-mute);margin-top:9px}

/* ---------------- layout ---------------- */
main{flex:1;padding:36px 0 60px;position:relative;z-index:2}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--red);font-weight:700;display:inline-flex;align-items:center;gap:.7em;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--red)}
.page-head{margin-bottom:26px}
.page-head h1{font-size:clamp(26px,4vw,40px)}
.page-head p{color:var(--ink-mute);margin-top:8px;max-width:62ch}
.card{background:var(--paper-card);border:1px solid var(--line);border-radius:14px;padding:26px;
  box-shadow:0 10px 30px -24px rgba(14,36,56,.55)}
.card + .card{margin-top:20px}
.narrow{max-width:560px;margin:0 auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
@media(max-width:860px){.grid2,.split{grid-template-columns:1fr}}

/* ---------------- forms ---------------- */
label{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--navy);font-weight:700;margin-bottom:6px}
label .req{color:var(--red)}
.field{margin-bottom:18px}
.hint{font-size:13.5px;color:var(--ink-mute);margin-top:6px;line-height:1.5}
input[type=text],input[type=email],input[type=password],input[type=datetime-local],select,textarea{
  width:100%;font-family:var(--serif-body);font-size:16px;color:var(--ink);
  background:#fffdf8;border:1px solid var(--line-2);border-radius:9px;padding:11px 13px;
  transition:border-color .2s,box-shadow .2s}
html[data-lang="zh"] input,html[data-lang="zh"] textarea,html[data-lang="zh"] select{font-family:'Noto Sans SC',sans-serif}
textarea{min-height:150px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(21,50,78,.12)}
input.code{font-family:var(--mono);font-size:26px;letter-spacing:.5em;text-align:center;padding:14px}
.checkline{display:flex;align-items:center;gap:9px;font-size:15px}
.checkline input{width:auto}
.actions{display:flex;gap:11px;flex-wrap:wrap;align-items:center;margin-top:22px}
.inline-form{display:inline}

/* ---------------- flash / alerts ---------------- */
.flash{border-radius:11px;padding:13px 16px;margin-bottom:22px;font-size:15px;
  border:1px solid;display:flex;gap:10px;align-items:flex-start;line-height:1.55}
.flash::before{font-family:var(--mono);font-weight:700;flex:none}
.flash.ok{background:rgba(31,111,74,.08);border-color:rgba(31,111,74,.35);color:#144d33}
.flash.ok::before{content:"✓"}
.flash.warn{background:rgba(176,138,62,.1);border-color:rgba(176,138,62,.4);color:#6b5218}
.flash.warn::before{content:"!"}
.flash.err{background:rgba(191,27,44,.08);border-color:rgba(191,27,44,.35);color:var(--red-deep)}
.flash.err::before{content:"×"}

/* ---------------- status pills ---------------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;padding:4px 11px;border-radius:999px;
  border:1px solid;font-weight:700;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.draft{color:var(--ink-mute);border-color:var(--line-2);background:rgba(92,87,73,.07)}
.pill.submitted{color:var(--navy);border-color:rgba(21,50,78,.4);background:rgba(21,50,78,.08)}
.pill.under_review{color:var(--gold);border-color:rgba(176,138,62,.5);background:rgba(176,138,62,.1)}
.pill.accepted{color:var(--green);border-color:rgba(31,111,74,.45);background:rgba(31,111,74,.1)}
.pill.rejected{color:var(--red);border-color:rgba(191,27,44,.4);background:rgba(191,27,44,.08)}

/* ---------------- submission list ---------------- */
.sub-item{display:flex;gap:18px;align-items:flex-start;justify-content:space-between;
  padding:18px 0;border-bottom:1px solid var(--line)}
.sub-item:last-child{border-bottom:none;padding-bottom:0}
.sub-item h3{font-size:19px;margin-bottom:6px}
.sub-item h3 a{text-decoration:none}
.sub-item h3 a:hover{color:var(--red)}
.sub-meta{font-family:var(--mono);font-size:12px;color:var(--ink-mute);display:flex;
  gap:14px;flex-wrap:wrap;margin-top:7px}
.sub-right{display:flex;flex-direction:column;gap:9px;align-items:flex-end;flex:none}
.empty{text-align:center;padding:40px 20px;color:var(--ink-mute)}
.empty .big{font-family:var(--serif-display);font-size:22px;color:var(--navy-ink);margin-bottom:8px;display:block}

/* ---------------- file box ---------------- */
.filebox{border:1.5px dashed var(--line-2);border-radius:12px;padding:18px;background:rgba(255,253,248,.7)}
.filebox.has{border-style:solid;border-color:rgba(31,111,74,.4);background:rgba(31,111,74,.05)}
.filebox .fname{font-family:var(--mono);font-size:13.5px;word-break:break-all;color:var(--navy-ink)}
.filebox .fmeta{font-family:var(--mono);font-size:12px;color:var(--ink-mute);margin-top:5px}
input[type=file]{width:100%;font-family:var(--mono);font-size:13px;padding:9px 0}
input[type=file]::file-selector-button{font-family:var(--mono);font-size:12px;padding:8px 15px;
  border-radius:999px;border:1.5px solid var(--navy);background:none;color:var(--navy);
  cursor:pointer;margin-right:12px;transition:.2s}
input[type=file]::file-selector-button:hover{background:var(--navy);color:var(--paper)}

/* ---------------- authors ---------------- */
.author-row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:9px;margin-bottom:9px;align-items:center}
.author-row input{font-size:14.5px;padding:9px 11px}
.author-row .rm{background:none;border:1px solid var(--line-2);color:var(--ink-mute);
  border-radius:8px;width:34px;height:34px;cursor:pointer;font-size:17px;line-height:1;transition:.2s}
.author-row .rm:hover{border-color:var(--red);color:var(--red)}
@media(max-width:720px){.author-row{grid-template-columns:1fr auto}}

/* ---------------- timeline aside ---------------- */
.aside-tl{list-style:none}
.aside-tl li{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.aside-tl li:last-child{border-bottom:none}
.aside-tl .d{font-family:var(--mono);font-size:12px;color:var(--red);font-weight:700;flex:none;width:62px}
.aside-tl li.off{opacity:.55}
.aside-tl li.off .d{color:var(--ink-mute)}

/* ---------------- tables (admin) ---------------- */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--navy);font-weight:700;white-space:nowrap}
tbody tr:hover{background:rgba(21,50,78,.035)}
td .t{font-weight:600;color:var(--navy-ink)}
td small{color:var(--ink-mute);font-size:12.5px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:20px}
.filters .field{margin-bottom:0}
.filters select,.filters input{min-width:150px}
.stats{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}
.stat{border:1px solid var(--line);border-radius:10px;padding:10px 15px;background:var(--paper-card)}
.stat .n{font-family:var(--serif-display);font-size:23px;font-weight:700;color:var(--navy-ink);line-height:1}
.stat .l{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-mute);margin-top:4px}

/* ---------------- review notes ---------------- */
.review{border-left:3px solid var(--gold);padding:12px 0 12px 15px;margin-top:14px;
  background:rgba(176,138,62,.05);border-radius:0 8px 8px 0}
.review .rh{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);font-weight:700;margin-bottom:6px}
.review p{white-space:pre-wrap;font-size:15px}
.audit{font-family:var(--mono);font-size:12px;color:var(--ink-mute);line-height:1.9}
.pdfframe{width:100%;height:min(78vh,880px);border:1px solid var(--line);border-radius:10px;background:#fff}

/* ---------------- footer ---------------- */
footer{border-top:1px solid var(--line);padding:22px 0;font-size:13.5px;color:var(--ink-mute);
  position:relative;z-index:2}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
footer a{text-decoration:none}
footer a:hover{color:var(--red)}