/* ============================================================
   AUSTIN REPEATER — field-log / QSL-card design system
   Fonts: Saira Stencil One (display) · Zilla Slab (headings)
          Spectral (body) · IBM Plex Mono (frequencies/callsigns)
   Themes: t-fieldday (default) · t-nightshift · t-boatanchor
           t-waterfall · t-qslcard
   Picker: #theme-dock · localStorage key 'theme-austinrepeater'
   ============================================================ */

/* ---------- Theme 1 · FIELD DAY (default) — manila log paper,
   forest green ink, signal-red rubber stamps ---------- */
:root, html.t-fieldday{
  --bg:#ece3cc; --paper:#f7f1df; --paper2:#efe7cf;
  --ink:#28241a; --sub:#5b5440; --faint:#8c8367;
  --line:#cdc09b; --rule:#dcd2b0;
  --acc:#1f6e43; --stamp:#b23a26; --navbg:rgba(247,241,223,.95);
  --shadow:0 2px 0 rgba(40,36,26,.12);
}
/* ---------- Theme 2 · NIGHT SHIFT — late-night net, charcoal
   shack lit by an amber dial lamp ---------- */
html.t-nightshift{
  --bg:#14110b; --paper:#1d1910; --paper2:#252013;
  --ink:#f1e7d1; --sub:#c0ae8a; --faint:#8a7c5d;
  --line:#3c3320; --rule:#2b2515;
  --acc:#ffb52e; --stamp:#ff7847; --navbg:rgba(20,17,11,.93);
  --shadow:0 2px 10px rgba(0,0,0,.5);
}
/* ---------- Theme 3 · BOATANCHOR — bakelite brown, brass dial,
   tube-glow warmth of a 1950s receiver ---------- */
html.t-boatanchor{
  --bg:#221411; --paper:#2d1c15; --paper2:#37241b;
  --ink:#f4e4c8; --sub:#cba87d; --faint:#977659;
  --line:#56392a; --rule:#3f2a1f;
  --acc:#d9a441; --stamp:#c4452c; --navbg:rgba(34,20,17,.94);
  --shadow:0 3px 12px rgba(0,0,0,.55);
}
/* ---------- Theme 4 · WATERFALL — SDR panadapter blues, cyan
   signal traces on a near-black band scope ---------- */
html.t-waterfall{
  --bg:#070b16; --paper:#0d1424; --paper2:#121b30;
  --ink:#dde8f8; --sub:#94a9c9; --faint:#5e7292;
  --line:#233252; --rule:#182338;
  --acc:#3fd3ff; --stamp:#e3518f; --navbg:rgba(7,11,22,.92);
  --shadow:0 2px 12px rgba(0,0,0,.45);
}
/* ---------- Theme 5 · QSL CARD — white postcard, airmail red
   and blue, navy fountain-pen ink ---------- */
html.t-qslcard{
  --bg:#e7ebf1; --paper:#ffffff; --paper2:#f3f6fa;
  --ink:#1d2840; --sub:#47577a; --faint:#7c89a4;
  --line:#c3cddd; --rule:#dde4ef;
  --acc:#1d4ed8; --stamp:#d22f2f; --navbg:rgba(255,255,255,.96);
  --shadow:0 2px 6px rgba(29,40,64,.12);
}

/* ============ base ============ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Spectral',Georgia,serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16.5px}
html.t-nightshift body{background:radial-gradient(1100px 480px at 50% -120px,rgba(255,181,46,.09),transparent 65%) var(--bg)}
html.t-boatanchor body{background:radial-gradient(900px 560px at 50% -80px,rgba(217,164,65,.08),transparent 60%) var(--bg)}
html.t-waterfall body{background:linear-gradient(180deg,rgba(63,211,255,.05),transparent 320px) var(--bg)}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:'Zilla Slab',Georgia,serif;line-height:1.15;color:var(--ink)}
img{max-width:100%}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px}

/* ============ masthead nav ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--navbg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:2px solid var(--ink)}
.nav-in{max-width:1160px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px 18px;padding:10px 22px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:'Saira Stencil One',sans-serif;font-size:1.22rem;letter-spacing:.03em;color:var(--ink);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand em{font-style:normal;color:var(--stamp)}
.brand-stamp{font-family:'IBM Plex Mono',monospace;font-size:.58rem;font-weight:700;letter-spacing:.2em;color:var(--stamp);border:2px solid var(--stamp);padding:2px 6px;transform:rotate(-4deg)}
.brand-freq{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.14em;color:var(--faint);border-left:1px solid var(--line);padding-left:10px}
.nav-links{display:flex;flex-wrap:wrap;gap:1px 2px;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.05em;text-transform:uppercase}
.nav-links a{color:var(--sub);padding:5px 7px;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--acc);text-decoration:none;border-bottom-color:var(--acc)}
.nav-links a[aria-current="page"]{color:var(--stamp);border-bottom-color:var(--stamp)}
.page{padding-top:132px;padding-bottom:24px}
@media(max-width:880px){
  .nav{position:static}
  .page{padding-top:20px}
  .brand-freq{display:none}
}

/* ============ hero — the log sheet header ============ */
.hero{position:relative;border:2px solid var(--ink);background:var(--paper);background-image:repeating-linear-gradient(180deg,transparent 0 31px,var(--rule) 31px 32px);padding:46px 38px 40px;box-shadow:var(--shadow);overflow:hidden}
html.t-qslcard .hero{border:none;background-image:none;padding:50px 42px 44px;box-shadow:var(--shadow);border-image:repeating-linear-gradient(45deg,var(--stamp) 0 13px,var(--paper) 13px 26px,var(--acc) 26px 39px,var(--paper) 39px 52px) 9;border-style:solid;border-width:9px}
html.t-waterfall .hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:9px;background:linear-gradient(90deg,#041020,#0a3a6b,#1280c4,#27e0c0,#ffe45c,#ff7847,#e3518f,#7b2ff7)}
.kicker{font-family:'IBM Plex Mono',monospace;font-size:.68rem;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--acc);margin-bottom:14px;display:flex;align-items:center;gap:12px}
.kicker::before,.kicker::after{content:'';height:1px;background:var(--line);flex:0 0 38px}
.hero h1{font-family:'Saira Stencil One',sans-serif;font-weight:400;font-size:clamp(2.3rem,6.2vw,4.1rem);letter-spacing:.015em;text-transform:uppercase;line-height:1.02;margin-bottom:12px}
.hero h1 em{font-style:normal;color:var(--stamp)}
.hero-sub{font-style:italic;color:var(--sub);font-size:1.08rem;max-width:640px;line-height:1.7}
.hero-stamp{position:absolute;top:22px;right:24px;transform:rotate(6deg);border:2px solid var(--stamp);outline:2px solid var(--stamp);outline-offset:3px;color:var(--stamp);font-family:'IBM Plex Mono',monospace;font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;text-align:center;padding:8px 12px;line-height:1.7;opacity:.85}
@media(max-width:680px){.hero{padding:32px 22px 28px}.hero-stamp{display:none}}

/* frequency chips */
.freq-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.freq{font-family:'IBM Plex Mono',monospace;background:var(--paper2);border:1.5px solid var(--line);padding:9px 15px;font-size:1rem;font-weight:600;color:var(--ink);box-shadow:var(--shadow)}
.freq b{color:var(--stamp);font-weight:700}
.freq small{display:block;font-size:.62rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-top:2px}

/* ============ sections ============ */
.section{margin:50px 0}
.sec-head{display:flex;align-items:baseline;gap:14px;border-bottom:3px double var(--ink);padding-bottom:9px;margin-bottom:24px}
.sec-no{font-family:'IBM Plex Mono',monospace;font-size:.7rem;font-weight:700;letter-spacing:.22em;color:var(--stamp)}
.sec-head h2{font-size:1.45rem;letter-spacing:.04em;text-transform:uppercase;font-weight:700}
.sec-head .sec-note{margin-left:auto;font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.lead{color:var(--sub);max-width:760px;margin-bottom:22px}

/* ============ QSL cards ============ */
.qsl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.qsl{position:relative;background:var(--paper);border:1px solid var(--line);padding:22px 20px 20px;box-shadow:var(--shadow)}
.qsl::before{content:'';position:absolute;inset:6px;border:1px dashed var(--line);pointer-events:none}
.qsl-tag{position:absolute;top:13px;right:14px;font-family:'IBM Plex Mono',monospace;font-size:.58rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--stamp);border:1.5px solid var(--stamp);padding:1px 6px;transform:rotate(3deg)}
.qsl h3{font-size:1.02rem;color:var(--acc);margin-bottom:7px;padding-right:52px}
.qsl p{font-size:.88rem;color:var(--sub);line-height:1.65}
.qsl p b,.qsl p strong{color:var(--ink)}
.qsl .mono{font-size:.85em}

/* ============ log table ============ */
.log-table{width:100%;border-collapse:collapse;background:var(--paper);border:2px solid var(--ink);box-shadow:var(--shadow)}
.log-table caption{caption-side:top;text-align:left;font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);padding-bottom:8px}
.log-table th{font-family:'IBM Plex Mono',monospace;font-size:.64rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-align:left;color:var(--paper);background:var(--ink);padding:9px 14px}
.log-table td{padding:12px 14px;border-bottom:1px solid var(--rule);font-size:.92rem;color:var(--sub);vertical-align:top}
.log-table tr:last-child td{border-bottom:none}
.log-table .f{font-family:'IBM Plex Mono',monospace;font-weight:700;font-size:1.02rem;color:var(--ink);white-space:nowrap}
.log-table .c{font-family:'IBM Plex Mono',monospace;font-weight:600;color:var(--stamp);white-space:nowrap}
.table-scroll{overflow-x:auto}

/* ============ prose pages ============ */
.prose{max-width:740px}
.prose h2{font-size:1.25rem;margin:34px 0 12px;padding-bottom:7px;border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.04em}
.prose p{margin-bottom:15px;color:var(--sub)}
.prose strong{color:var(--ink)}
.prose ul{margin:0 0 16px 22px;color:var(--sub)}
.prose li{margin-bottom:6px}

/* ============ FAQ ============ */
.faq{background:var(--paper);border:1px solid var(--line);margin-bottom:11px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;display:flex;align-items:baseline;gap:12px;padding:15px 18px;font-family:'Zilla Slab',serif;font-weight:600;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary .qn{font-family:'IBM Plex Mono',monospace;font-size:.66rem;font-weight:700;color:var(--stamp);letter-spacing:.1em;flex:none}
.faq summary::after{content:'+';margin-left:auto;font-family:'IBM Plex Mono',monospace;color:var(--faint);font-size:1rem}
.faq[open] summary::after{content:'\2212'}
.faq .faq-a{padding:0 18px 16px 50px;font-size:.9rem;color:var(--sub);line-height:1.7}

/* ============ news feed ============ */
.news-item{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--acc);padding:16px 20px;margin-bottom:10px;box-shadow:var(--shadow)}
.news-title{font-family:'Zilla Slab',serif;font-weight:600;font-size:1rem;margin-bottom:4px}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--acc)}
.news-meta{font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);display:flex;gap:14px;flex-wrap:wrap}
.news-source{color:var(--stamp)}
.news-snippet{font-size:.86rem;color:var(--sub);margin-top:7px;line-height:1.6}
.loading{text-align:center;padding:44px;color:var(--faint);font-family:'IBM Plex Mono',monospace;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.loading-dots::after{content:"";animation:dots 1.5s infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
.pulse{display:inline-block;width:9px;height:9px;background:var(--stamp);border-radius:50%;margin-right:8px;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* ============ buttons ============ */
.btn{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;border:2px solid var(--ink);color:var(--ink);padding:11px 20px;background:transparent;cursor:pointer}
.btn:hover{background:var(--ink);color:var(--paper);text-decoration:none}
.btn-acc{border-color:var(--stamp);color:var(--stamp)}
.btn-acc:hover{background:var(--stamp);color:var(--paper)}
.load-more{display:block;width:100%;margin-top:18px}

/* ============ video chart ============ */
.vid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.vid{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column}
.vid iframe{width:100%;aspect-ratio:16/9;border:none;display:block;background:#000}
.vid-info{padding:14px 16px 15px;position:relative}
.vid-rank{font-family:'Saira Stencil One',sans-serif;font-size:1.35rem;color:var(--stamp);float:right;margin-left:10px;line-height:1}
.vid-title{font-family:'Zilla Slab',serif;font-weight:600;font-size:.95rem;line-height:1.35;margin-bottom:6px}
.vid-meta{font-family:'IBM Plex Mono',monospace;font-size:.64rem;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.vid-meta b{color:var(--acc);font-weight:600}
@media(max-width:720px){.vid-grid{grid-template-columns:1fr}}

/* ============ sources / resources entries ============ */
.src{position:relative;background:var(--paper);border:1px solid var(--line);padding:18px 20px 16px;margin-bottom:12px;box-shadow:var(--shadow)}
.src::before{content:'';position:absolute;inset:5px;border:1px dashed var(--line);pointer-events:none}
.src h3{font-size:1.02rem;margin-bottom:2px}
.src h3 a{color:var(--acc)}
.src-url{font-family:'IBM Plex Mono',monospace;font-size:.7rem;color:var(--faint);margin-bottom:7px;word-break:break-all}
.src p{font-size:.89rem;color:var(--sub);line-height:1.65}
.src .src-pin{position:absolute;top:12px;right:14px;font-family:'IBM Plex Mono',monospace;font-size:.56rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--stamp);border:1.5px solid var(--stamp);padding:1px 6px;transform:rotate(3deg)}

/* ============ sitemap & link lists ============ */
.maplist{list-style:none;background:var(--paper);border:2px solid var(--ink);box-shadow:var(--shadow);padding:6px 0}
.maplist li{display:flex;align-items:baseline;gap:14px;padding:11px 20px;border-bottom:1px solid var(--rule)}
.maplist li:last-child{border-bottom:none}
.maplist .no{font-family:'IBM Plex Mono',monospace;font-size:.66rem;font-weight:700;color:var(--stamp);letter-spacing:.1em;flex:none;width:30px}
.maplist a{font-family:'Zilla Slab',serif;font-weight:600;color:var(--ink)}
.maplist a:hover{color:var(--acc)}
.maplist .d{font-size:.82rem;color:var(--faint);margin-left:auto;text-align:right}
@media(max-width:620px){.maplist .d{display:none}}

/* ============ stamps & callouts ============ */
.callout{border:2px solid var(--stamp);background:var(--paper);padding:18px 22px;box-shadow:var(--shadow)}
.callout .co-h{font-family:'IBM Plex Mono',monospace;font-size:.62rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--stamp);margin-bottom:6px}
.callout p{font-size:.92rem;color:var(--sub)}

/* ============ footer ============ */
.footer{margin-top:70px;border-top:3px double var(--ink);background:var(--paper2)}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px;padding:36px 0 26px}
.foot-h{font-family:'IBM Plex Mono',monospace;font-size:.62rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--stamp);margin-bottom:9px}
.footer p{font-size:.84rem;color:var(--sub);line-height:1.65}
.foot-links{list-style:none}
.foot-links li{margin-bottom:5px}
.foot-links a{font-size:.85rem;color:var(--sub)}
.foot-links a:hover{color:var(--acc)}
.foot-base{border-top:1px solid var(--line);padding:16px 0 18px;font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);display:flex;flex-wrap:wrap;gap:8px 22px}
.foot-base a{color:var(--sub)}

/* ============ ad slot wrapper ============ */
.adwrap{max-width:1060px;margin:42px auto 0;padding:0 22px}

/* ============ theme dock (picker) ============ */
#theme-dock{position:fixed;right:14px;bottom:14px;z-index:2147483600;display:flex;align-items:center;gap:3px;padding:6px 8px;background:var(--ink);border:1px solid var(--paper);box-shadow:0 8px 26px rgba(0,0,0,.4);max-width:calc(100vw - 20px);overflow-x:auto;scrollbar-width:none}
#theme-dock::-webkit-scrollbar{display:none}
#theme-dock .td-l{font-family:'Saira Stencil One',sans-serif;font-size:.66rem;letter-spacing:.16em;color:var(--paper);padding:0 7px;white-space:nowrap}
#theme-dock button{cursor:pointer;white-space:nowrap;font-family:'IBM Plex Mono',monospace;font-size:.64rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--paper);background:transparent;border:1px solid transparent;padding:6px 10px;line-height:1}
#theme-dock button:hover{border-color:var(--paper)}
#theme-dock button[aria-current="true"]{background:var(--stamp);color:#fff;border-color:var(--stamp)}
@media(max-width:560px){#theme-dock .td-l{display:none}}