/* ── Theme ────────────────────────────────────────────────────────────────
   Only the palette changes between light and dark; every rule below uses the
   variables, so there is exactly one place to edit a colour.

   Resolution order (theme.js stamps data-theme on <html> before first paint):
     1. data-theme="light" | "dark"  — explicit user choice
     2. prefers-color-scheme          — when the user hasn't chosen
     3. dark                          — default
   ------------------------------------------------------------------------ */
:root{
  --bg:#14121a; --panel:#1e1b26; --panel2:#262231; --line:#352f42;
  --ink:#ece9f2; --muted:#a49db5; --accent:#c2557a; --accent2:#8a6bd1;
  --ok:#4a9d6e; --warn:#c9963f; --bad:#c05555;
  --flash-ok-bg:#1c3327;   --flash-ok-line:#2f6047;   --flash-ok-ink:#bfe6cf;
  --flash-err-bg:#3a2020;  --flash-err-line:#6d3535;  --flash-err-ink:#f0c9c9;
  --flash-info-bg:#1f2740; --flash-info-line:#39466e; --flash-info-ink:#c9d6f5;
  --pill-want-bg:#282040;  --pill-want-line:#5a4a80;  --pill-want-ink:#d6c9f5;
  --pill-pend-bg:#332c1a;  --pill-pend-line:#6b5a2c;  --pill-pend-ink:#e8d7a8;
  --msg-mine:#3a2a3d;
  --shadow:none;
  --radius:10px;
  color-scheme:dark;
}

/* Follow the OS when the visitor hasn't picked a theme. */
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f4f2f7; --panel:#ffffff; --panel2:#f0edf5; --line:#ddd7e6;
    --ink:#1d1a24; --muted:#65607a; --accent:#a83c62; --accent2:#6b4fbb;
    --ok:#2f7d55; --warn:#9a6f1e; --bad:#a83c3c;
    --flash-ok-bg:#e4f4ea;   --flash-ok-line:#a8d8bc;   --flash-ok-ink:#1c5237;
    --flash-err-bg:#fbe6e6;  --flash-err-line:#e0aeae;  --flash-err-ink:#7c2626;
    --flash-info-bg:#e7ecfa; --flash-info-line:#b3c2e8; --flash-info-ink:#27386b;
    --pill-want-bg:#ece6fa;  --pill-want-line:#c3b2ec;  --pill-want-ink:#432d78;
    --pill-pend-bg:#fbf1d9;  --pill-pend-line:#e0c98a;  --pill-pend-ink:#6b5116;
    --msg-mine:#f6e3ee;
    --shadow:0 1px 2px rgba(25,20,40,.07);
    color-scheme:light;
  }
}

/* Explicit choice always wins, in both directions. */
:root[data-theme="light"]{
  --bg:#f4f2f7; --panel:#ffffff; --panel2:#f0edf5; --line:#ddd7e6;
  --ink:#1d1a24; --muted:#65607a; --accent:#a83c62; --accent2:#6b4fbb;
  --ok:#2f7d55; --warn:#9a6f1e; --bad:#a83c3c;
  --flash-ok-bg:#e4f4ea;   --flash-ok-line:#a8d8bc;   --flash-ok-ink:#1c5237;
  --flash-err-bg:#fbe6e6;  --flash-err-line:#e0aeae;  --flash-err-ink:#7c2626;
  --flash-info-bg:#e7ecfa; --flash-info-line:#b3c2e8; --flash-info-ink:#27386b;
  --pill-want-bg:#ece6fa;  --pill-want-line:#c3b2ec;  --pill-want-ink:#432d78;
  --pill-pend-bg:#fbf1d9;  --pill-pend-line:#e0c98a;  --pill-pend-ink:#6b5116;
  --msg-mine:#f6e3ee;
  --shadow:0 1px 2px rgba(25,20,40,.07);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#14121a; --panel:#1e1b26; --panel2:#262231; --line:#352f42;
  --ink:#ece9f2; --muted:#a49db5; --accent:#c2557a; --accent2:#8a6bd1;
  --ok:#4a9d6e; --warn:#c9963f; --bad:#c05555;
  --flash-ok-bg:#1c3327;   --flash-ok-line:#2f6047;   --flash-ok-ink:#bfe6cf;
  --flash-err-bg:#3a2020;  --flash-err-line:#6d3535;  --flash-err-ink:#f0c9c9;
  --flash-info-bg:#1f2740; --flash-info-line:#39466e; --flash-info-ink:#c9d6f5;
  --pill-want-bg:#282040;  --pill-want-line:#5a4a80;  --pill-want-ink:#d6c9f5;
  --pill-pend-bg:#332c1a;  --pill-pend-line:#6b5a2c;  --pill-pend-ink:#e8d7a8;
  --msg-mine:#3a2a3d;
  --shadow:none;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
main{max-width:1000px;margin:0 auto;padding:1.5rem 1rem 3rem}

/* header / footer */
header.site{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.85rem 1.25rem;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-size:1.3rem;font-weight:700;color:var(--ink)}
.brand span{color:var(--accent)}
header.site nav{display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap}
header.site nav a{color:var(--muted);font-size:.95rem}
header.site nav a:hover{color:var(--ink)}
footer.site{border-top:1px solid var(--line);padding:1.5rem;text-align:center;
  color:var(--muted);font-size:.9rem;display:grid;gap:.4rem}
.badge{background:var(--accent);color:#fff;border-radius:999px;padding:0 .4rem;
  font-size:.75rem;font-weight:700}

/* blocks */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.25rem;margin-bottom:1.25rem;box-shadow:var(--shadow)}
.card h1,.card h2{margin-top:0}
.muted{color:var(--muted)}
.grid{display:grid;gap:1rem}
.grid.cols2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.cols3{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
hr{border:0;border-top:1px solid var(--line);margin:1.25rem 0}

/* forms */
label{display:block;margin:.85rem 0 .3rem;font-size:.9rem;color:var(--muted)}
input[type=text],input[type=email],input[type=search],input[type=number],
select,textarea{width:100%;padding:.6rem .7rem;background:var(--panel2);
  color:var(--ink);border:1px solid var(--line);border-radius:8px;font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent2);outline-offset:1px}
textarea{min-height:8rem;resize:vertical}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;
  padding:.6rem 1.1rem;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.1);text-decoration:none}
.btn.small{padding:.35rem .8rem;font-size:.9rem}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.ok{background:var(--ok)} .btn.bad{background:var(--bad)}
.linkbtn{background:none;border:0;color:var(--muted);font:inherit;cursor:pointer;padding:0}
.linkbtn:hover{color:var(--ink);text-decoration:underline}
form.inline{display:inline}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}

/* flashes + pills */
.flash{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid}
.flash.ok{background:var(--flash-ok-bg);border-color:var(--flash-ok-line);color:var(--flash-ok-ink)}
.flash.error{background:var(--flash-err-bg);border-color:var(--flash-err-line);color:var(--flash-err-ink)}
.flash.info{background:var(--flash-info-bg);border-color:var(--flash-info-line);color:var(--flash-info-ink)}
.pill{display:inline-block;padding:.12rem .6rem;border-radius:999px;font-size:.78rem;
  border:1px solid var(--line);background:var(--panel2);color:var(--muted)}
.pill.offered{border-color:var(--flash-ok-line);background:var(--flash-ok-bg);color:var(--flash-ok-ink)}
.pill.wanted{border-color:var(--pill-want-line);background:var(--pill-want-bg);color:var(--pill-want-ink)}
.pill.pending{border-color:var(--pill-pend-line);background:var(--pill-pend-bg);color:var(--pill-pend-ink)}
.pill.approved{border-color:var(--flash-ok-line);background:var(--flash-ok-bg);color:var(--flash-ok-ink)}
.pill.rejected{border-color:var(--flash-err-line);background:var(--flash-err-bg);color:var(--flash-err-ink)}

/* profiles + photos */
.profile-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column}
.profile-card .thumb{aspect-ratio:4/3;background:var(--panel2);display:block;
  object-fit:cover;width:100%}
.profile-card .body{padding:.85rem}
.profile-card h3{margin:0 0 .25rem;font-size:1.05rem}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem}
.photo-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;
  border:1px solid var(--line);background:var(--panel2)}
.photo-item{position:relative}
.photo-item .pill{position:absolute;top:.4rem;left:.4rem}

/* messages */
.thread-list{display:grid;gap:.6rem}
.thread-row{display:flex;justify-content:space-between;gap:1rem;padding:.85rem;
  background:var(--panel2);border:1px solid var(--line);border-radius:8px}
.msg{padding:.7rem .9rem;border-radius:10px;margin-bottom:.6rem;max-width:75%}
.msg.mine{background:var(--msg-mine);margin-left:auto}
.msg.theirs{background:var(--panel2)}
.msg .meta{font-size:.75rem;color:var(--muted);margin-top:.3rem}

/* tables */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.55rem .5rem;border-bottom:1px solid var(--line);font-size:.93rem}
th{color:var(--muted);font-weight:600}

.notice{background:var(--panel2);border-left:3px solid var(--accent2);
  padding:.8rem 1rem;border-radius:0 8px 8px 0;margin:1rem 0}
.stat{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:1rem;text-align:center}
.stat b{display:block;font-size:1.8rem;line-height:1.1}

/* theme toggle in the header */
.theme-btn{background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:999px;padding:.28rem .75rem;font:inherit;font-size:.85rem;cursor:pointer;
  line-height:1.2;white-space:nowrap}
.theme-btn:hover{color:var(--ink);border-color:var(--accent)}

/* collapsible category sections (<details>/<summary>) */
details.cat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:.75rem;box-shadow:var(--shadow)}
details.cat > summary{cursor:pointer;padding:.9rem 1.15rem;font-weight:600;font-size:1.05rem;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1rem;
  border-radius:var(--radius)}
details.cat > summary::-webkit-details-marker{display:none}
details.cat > summary::after{content:"\25BE";color:var(--muted);transition:transform .15s ease;
  font-size:.85rem}
details.cat[open] > summary::after{transform:rotate(180deg)}
details.cat > summary:hover{color:var(--accent)}
details.cat > summary:focus-visible{outline:2px solid var(--accent2);outline-offset:-2px}
details.cat .cat-body{padding:0 1.15rem 1.1rem}
details.cat .cat-count{font-weight:400;font-size:.82rem;color:var(--muted)}
