/* Chronicle — Napoleon. Single stylesheet, no build step.
   Type scale 13/15/17, spacing on a 4px grid, one accent colour. */
:root{
  --bg:#f5f8fa; --card:#fff; --line:#e6ecf0; --line-soft:#eff3f5;
  --ink:#14171a; --ink-soft:#41505c; --muted:#657786;
  --accent:#1b95e0; --accent-dark:#1373b0; --accent-soft:#e8f4fc;
  --danger:#8a1f1f; --danger-bg:#fff3f3; --danger-line:#f0c0c0;
  --r:8px; --r-sm:5px; --shadow:0 1px 2px rgba(20,23,26,.06);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

/* ---------- landing ---------- */
#landing{min-height:100vh;display:grid;place-items:center;padding:48px 20px;
  background:#0e0f11 url("images/napoleon-coronation.jpg") 50% 40%/cover no-repeat;position:relative}
#landing::before{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,13,.74),rgba(10,11,13,.58) 45%,rgba(10,11,13,.86))}
.landing-box{position:relative;z-index:1;max-width:420px;width:100%;color:#fff}
.brand{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.82)}
.brand span{letter-spacing:.18em}
.landing-box h1{font-size:32px;line-height:1.2;font-weight:800;margin:14px 0 10px;color:#fff;
  text-shadow:0 1px 14px rgba(0,0,0,.55)}
.sub{margin:0 0 24px;font-size:15px;color:rgba(255,255,255,.9)}
.picker{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.picker label{display:block}
.picker label span{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:5px}
select,input[type=date]{width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid transparent;border-radius:var(--r-sm);padding:10px 11px;cursor:pointer}
select:hover,input[type=date]:hover{border-color:rgba(255,255,255,.55)}
#landing select{box-shadow:0 2px 10px rgba(0,0,0,.28)}
#enterBtn{width:100%;font:inherit;font-size:16px;font-weight:700;color:#fff;background:var(--accent);
  border:0;border-radius:var(--r-sm);padding:13px 20px;cursor:pointer;box-shadow:0 3px 14px rgba(0,0,0,.3)}
#enterBtn:hover:not(:disabled){background:var(--accent-dark)}
#enterBtn:disabled{background:rgba(255,255,255,.2);color:rgba(255,255,255,.72);cursor:progress;box-shadow:none}
.note{margin:12px 0 0;font-size:12.5px;color:rgba(255,255,255,.72);text-align:center}
.landing-featured{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16)}
.landing-featured label{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:rgba(255,255,255,.75);margin-bottom:6px}
.landing-featured select{box-shadow:0 2px 10px rgba(0,0,0,.28)}
.art-credit{position:absolute;z-index:1;right:14px;bottom:12px;max-width:60%;text-align:right;
  font-size:11px;line-height:1.5;color:rgba(255,255,255,.6)}
.art-credit a{color:rgba(190,222,247,.9)}

/* ---------- top bar ---------- */
#topbar{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:9px 14px}
#backBtn{background:none;border:0;font-size:24px;line-height:1;color:var(--muted);cursor:pointer;padding:0 2px}
#backBtn:hover{color:var(--accent)}
.nav-logo{font-size:19px}
.date-nav{margin-left:auto;display:flex;align-items:center;gap:10px}
.date-nav strong{font-size:15px;font-weight:700;letter-spacing:.01em}
.date-nav button{background:var(--line-soft);border:1px solid var(--line);color:var(--ink-soft);
  border-radius:50%;width:28px;height:28px;line-height:1;font-size:15px;cursor:pointer}
.date-nav button:hover{background:#e4eaee;color:var(--accent)}
.tweet-btn{font:inherit;font-size:14px;font-weight:700;color:#fff;background:var(--accent);
  border:0;border-radius:100px;padding:7px 16px;cursor:pointer}
.tweet-btn:hover{background:var(--accent-dark)}

/* ---------- shell ---------- */
#eventBanner{background:var(--accent-soft);border-bottom:1px solid #cfe6f5;padding:9px 14px;
  font-size:13.5px;color:var(--accent-dark);display:flex;gap:10px;align-items:center;justify-content:center}
#eventBanner b{color:var(--accent-dark)}
#eventBanner button{font:inherit;font-size:13px;background:#fff;border:1px solid var(--accent);
  color:var(--accent);border-radius:100px;padding:3px 12px;cursor:pointer;white-space:nowrap}
#layout{max-width:900px;margin:0 auto;display:grid;grid-template-columns:248px minmax(0,1fr);
  gap:16px;padding:18px 14px 40px;align-items:start}

/* ---------- sidebar ---------- */
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px;box-shadow:var(--shadow);position:sticky;top:64px}
.side-head{display:flex;gap:10px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.profile-ava{font-size:26px;line-height:1;background:var(--bg);border:1px solid var(--line);
  border-radius:50%;width:40px;height:40px;display:grid;place-items:center;flex:0 0 40px}
.side-head b{display:block;font-size:15px}
.side-head .gray{font-size:12.5px;line-height:1.35}
.field{margin-top:14px}
.lbl{display:block;font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--muted);margin-bottom:6px}
.field select{border:1px solid var(--line)}
.field select:hover{border-color:#c8d3da}
.jump-row{display:flex;gap:8px}
.jump-row input{flex:1;border:1px solid var(--line);font-size:13.5px;padding:8px 9px}
.jump-row button{font:inherit;font-size:13.5px;background:#fff;border:1px solid var(--accent);
  color:var(--accent);border-radius:100px;padding:7px 15px;cursor:pointer;font-weight:600}
.jump-row button:hover{background:var(--accent-soft)}
.gray{color:var(--muted)}

/* ---------- feed head ---------- */
#timelineHead{padding:0 2px 12px}
#timelineHead strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
#coverageNote{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- tweets ---------- */
#feed{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
#feed:empty{display:none}
.post{display:flex;gap:12px;padding:16px;background:var(--card);border-top:1px solid var(--line-soft)}
.post:first-child{border-top:0}
.post:hover{background:#fbfdfe}
.avatar{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;overflow:hidden}
.avatar .ava{width:44px;height:44px;object-fit:cover;display:block}
.tweet-body{flex:1;min-width:0}
.tweet-head{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap;font-size:15px;line-height:1.3}
.tweet-head .h,.tweet-head .t{color:var(--muted);font-size:13.5px}
.tweet-head .t{font-weight:400}
.author{background:none;border:0;padding:0;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}
.author:hover{color:var(--accent);text-decoration:underline}
.verified{color:var(--accent);font-size:13px}
.tweet-text{margin:5px 0 8px;font-size:15px;line-height:1.55;color:var(--ink);overflow-wrap:anywhere}
.ctx a,.verbatim a,.orig a{overflow-wrap:anywhere;word-break:break-word}
button{touch-action:manipulation}
.tweet-text .more{color:var(--accent);text-decoration:none;font-size:13.5px;white-space:nowrap;font-weight:600}
.tweet-src{font-size:12.5px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.tweet-actions{display:flex;gap:22px;margin-top:10px}
.tweet-actions button{background:none;border:0;padding:0;font:inherit;font-size:13px;font-weight:600;
  color:var(--muted);cursor:pointer}
.tweet-actions button:hover{color:var(--accent)}
.follow-btn{float:right;background:#fff;border:1px solid var(--accent);color:var(--accent);
  border-radius:100px;padding:3px 14px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.follow-btn:hover{background:var(--accent-soft)}
.orig,.ctx,.verbatim{display:none;margin-top:10px;padding:11px 13px;font-size:13.5px;line-height:1.55;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);color:var(--ink-soft)}
.orig.show,.ctx.show,.verbatim.show{display:block}
.verbatim{border-left:3px solid var(--line);font-style:italic}
.verbatim .more{color:var(--accent);font-weight:600;font-size:13px;white-space:nowrap}
.orig b,.ctx b{color:var(--ink)}

/* ---------- empty / error / modal ---------- */
#emptyState{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:32px 24px;text-align:center;color:var(--muted);font-size:14px}
#emptyState p{margin:0 0 10px}
#emptyState p:last-child{margin-bottom:0}
#emptyState a{font-weight:600}
#archiveError{position:sticky;top:0;z-index:30;background:var(--danger-bg);
  border-bottom:1px solid var(--danger-line);color:var(--danger);padding:10px 14px;font-size:13px}
#archiveError b{display:block;margin-bottom:2px}
#archiveError ul{margin:6px 0 0;padding-left:20px;font-size:12px;font-family:ui-monospace,Menlo,monospace}
#archiveError button{font:inherit;background:#fff;border:1px solid #d05555;color:var(--danger);
  border-radius:100px;padding:3px 12px;cursor:pointer;margin-left:8px}
#profileModal{position:fixed;inset:0;background:rgba(20,23,26,.55);display:grid;place-items:center;
  z-index:20;padding:20px;backdrop-filter:blur(2px)}
#profileCard{background:#fff;border-radius:var(--r);padding:22px;max-width:440px;width:100%;
  max-height:80vh;overflow:auto;box-shadow:0 12px 40px rgba(0,0,0,.3)}
#profileCard h3{font-size:19px}
#profileCard ul{padding-left:20px;font-size:13.5px;color:var(--ink-soft);line-height:1.6}
#profileCard p{font-size:14px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 12px;z-index:40;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0;top:0;border:1px solid var(--accent)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- responsive ---------- */
@media(max-width:860px){
  #layout{grid-template-columns:1fr;gap:12px;padding:12px 10px 32px}
  .side-card{position:static;padding:12px;display:grid;grid-template-columns:1fr;gap:0}
  .side-head{padding-bottom:10px}
  .field{margin-top:10px}
  #landing{padding:32px 16px;align-items:start;place-items:start center}
  .landing-box h1{font-size:26px}
  .art-credit{position:static;max-width:none;text-align:left;margin-top:28px}
  .nav-inner{padding:8px 10px;gap:8px}
  .date-nav strong{font-size:14px}
  .post{padding:14px}
}
@media(max-width:420px){
  .picker{grid-template-columns:1fr 1fr}
  .landing-box h1{font-size:23px}
  .nav-logo{display:none}
  .nav-inner{padding:8px 10px;gap:8px}
  .date-nav{gap:6px}
  .date-nav strong{font-size:13px;white-space:nowrap}
  .date-nav button{width:40px;height:40px;font-size:17px;flex:0 0 auto}
  #topbar .tweet-btn{padding:8px 10px;font-size:12.5px;white-space:nowrap}
  #backBtn{font-size:26px;padding:6px 6px}
  .tweet-actions{gap:16px}
  .post{padding:12px}
  #siteFoot{font-size:11px;max-width:94vw}
}
/* ---------- explore / views ---------- */
.explore-row{display:flex;gap:8px;margin-top:8px}
.explore-row button{flex:1;font:inherit;font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);
  color:var(--ink-soft);border-radius:100px;padding:7px 6px;cursor:pointer;white-space:nowrap}
.explore-row button:hover{border-color:var(--accent);color:var(--accent)}
.backbtn{background:none;border:0;padding:0 0 10px;font:inherit;font-size:14px;font-weight:700;
  color:var(--accent);cursor:pointer}
.srow{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;font:inherit;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;margin:0 0 8px;cursor:pointer;color:var(--ink)}
.srow:hover{border-color:var(--accent)}
.srow b{font-size:14px}
.srow span{font-size:13px;color:var(--muted);line-height:1.45}
.srow mark{background:var(--accent-soft);color:inherit;border-radius:2px;padding:0 1px}
.srow.prow{flex-direction:row;align-items:center;gap:10px}
.srow.prow b{font-size:15px}
.pava{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700}
.searchbox input{width:100%;font:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--accent);
  border-radius:var(--r-sm);background:var(--card);color:var(--ink);margin-bottom:6px}
#searchHint{font-size:12.5px;margin:0 0 10px}
#map{height:420px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;background:var(--line-soft);z-index:0}
#map p{padding:16px}
.post.flash{animation:flashring 2.2s ease-out 1}
@keyframes flashring{0%,25%{box-shadow:0 0 0 3px var(--accent)}100%{box-shadow:none}}
/* ---------- dark theme ---------- */
html[data-theme="dark"]{--bg:#15202b;--card:#192734;--line:#38444d;--line-soft:#22303c;
  --ink:#f5f8fa;--ink-soft:#c9d4dc;--muted:#8899a6;--accent-soft:#1c3346;
  --shadow:0 1px 2px rgba(0,0,0,.4)}
html[data-theme="dark"] #topbar{background:rgba(25,39,52,.96)}
html[data-theme="dark"] .post:hover{background:#1e2d3a}
html[data-theme="dark"] #profileCard{background:var(--card)}
html[data-theme="dark"] select,html[data-theme="dark"] input[type=date],html[data-theme="dark"] .searchbox input{background:#0f1a23;border-color:var(--line);color:var(--ink)}
html[data-theme="dark"] input{color-scheme:dark}
html[data-theme="dark"] .jump-row button,html[data-theme="dark"] .follow-btn,html[data-theme="dark"] .explore-row button{background:transparent}
html[data-theme="dark"] .skip{background:#000}
html[data-theme="dark"] #eventBanner{background:#1c3346}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
#siteFoot{max-width:92vw;text-align:center;font-size:12px;line-height:1.5;margin:8px auto 14px;padding:4px 12px}
#app{padding-bottom:12px}