/* ═══════════════════════════════════════════════════════════════════
   OTB Hub — shared styles
   Design System v1.3. Tokens and button tiers copied verbatim from the
   live site; nothing new invented here. Square corners, borders not
   shadows, bands not badges.
   ═══════════════════════════════════════════════════════════════════ */

:root{
  --ink:#131719;
  --slate:#333F47;
  --steel:#6E838F;
  --steel-pale:#B9C6CE;
  --hair:#D7DEE2;
  --paper:#EEF0F1;
  --panel:#FFFFFF;
  --brick:#7C2D2D;
  --verdigris:#37665E;
  --orange:#FF5C00;
}

*{box-sizing:border-box;}

/* The browser hides [hidden] elements with a plain `[hidden]{display:none}`
   rule, which ANY class rule that sets `display` outranks — .banner uses
   display:flex, so `el.hidden = true` silently did nothing to it. This makes
   the attribute win everywhere. (Found live, Sept 8: both Exchange banners
   were stuck on screen no matter what the code set.) */
[hidden]{display:none !important;}
body{
  margin:0;background:var(--paper);color:var(--slate);
  font-family:"Source Serif 4",Georgia,serif;font-size:1rem;line-height:1.6;
  -webkit-text-size-adjust:100%;
}
h1,h2,h3{font-family:Archivo,system-ui,sans-serif;color:var(--ink);margin:0 0 .4em;line-height:1.15;font-weight:700;}
h1{font-size:1.9rem;font-variation-settings:"wdth" 92;}
h2{font-size:1.3rem;}
h3{font-size:1.05rem;}
a{color:var(--brick);}
.mono,.eyebrow,label,th{
  font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.13em;
  font-size:.67rem;font-weight:500;
}
.eyebrow{color:var(--steel);display:block;margin-bottom:.5em;}
.muted{color:var(--steel);}
.small{font-size:.86rem;}

/* ── layout ──────────────────────────────────────────────────────── */
.wrap{max-width:940px;margin:0 auto;padding:0 20px;}
.page{padding:28px 0 64px;}

/* ── top bar ─────────────────────────────────────────────────────── */
.topbar{background:var(--ink);color:var(--paper);border-bottom:6px solid var(--brick);}
.topbar .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:4px;padding-bottom:4px;}
.topbar .brand{
  display:inline-flex;align-items:center;min-height:44px;
  font-family:Archivo,system-ui,sans-serif;font-weight:800;font-variation-settings:"wdth" 84;
  color:var(--panel);text-decoration:none;font-size:1.05rem;letter-spacing:.01em;
}
.topbar nav{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto;align-items:center;}
.topbar nav a{
  display:inline-flex;align-items:center;min-height:44px;   /* touch target */
  color:var(--steel-pale);text-decoration:none;
  font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.13em;font-size:.67rem;font-weight:500;
  border-bottom:2px solid transparent;
}
.topbar nav a:hover{color:var(--panel);}
.topbar nav a[aria-current="page"]{color:var(--panel);border-bottom-color:var(--orange);}

/* ── cards ───────────────────────────────────────────────────────── */
.card{background:var(--panel);border:1px solid var(--hair);margin-bottom:18px;}
.card .body{padding:20px 22px;}
.card .band{height:6px;background:var(--verdigris);}
.card .band.brick{background:var(--brick);}
.card .band.orange{background:var(--orange);}

/* notice banner — band on the LEFT edge, per v1.2 */
.banner{display:flex;background:var(--panel);border:1px solid var(--hair);margin-bottom:22px;}
.banner .band{width:6px;flex:0 0 6px;background:var(--verdigris);}
.banner.attention .band{background:var(--brick);}
.banner .body{padding:16px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;flex:1;}
.banner .body p{margin:.2em 0 0;}

/* ── buttons — Design System v1.3, four tiers ────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;                      /* Apple HIG minimum touch target */
  background:var(--steel-pale);color:var(--ink);
  border:1.5px solid var(--ink);padding:9px 17px;cursor:pointer;text-decoration:none;
  font-family:"IBM Plex Mono",monospace;font-size:.67rem;letter-spacing:.13em;text-transform:uppercase;font-weight:500;
}
.btn:hover{background:var(--hair);}
.btn.ondark{background:transparent;color:var(--paper);border-color:var(--steel-pale);}
.btn.ondark:hover{background:rgba(185,198,206,.14);}
.btn.primary{background:var(--brick);color:#F7EDED;border-color:var(--brick);}
.btn.primary:hover{background:#8F3535;border-color:#8F3535;}
.btn.primary.ondark{background:var(--paper);color:var(--brick);border-color:var(--paper);}
.btn.primary.ondark:hover{background:#FFF;border-color:#FFF;}
.btn.disabled,.btn:disabled{background:transparent;color:var(--steel);border-color:var(--steel-pale);cursor:default;pointer-events:none;}
.tertiary{
  display:inline-flex;align-items:center;min-height:44px;   /* touch target */
  color:var(--brick);background:none;border:0;padding:0 4px;cursor:pointer;text-decoration:none;
  font-family:"IBM Plex Mono",monospace;font-size:.67rem;letter-spacing:.13em;text-transform:uppercase;font-weight:500;
}
.tertiary:hover{text-decoration:underline;}

/* ── forms ───────────────────────────────────────────────────────── */
label{display:block;color:var(--steel);margin-bottom:5px;}
input[type=text],input[type=email],input[type=tel],textarea,select{
  width:100%;padding:11px 12px;background:var(--panel);
  border:1px solid var(--steel-pale);border-radius:0;
  font-family:"Source Serif 4",Georgia,serif;color:var(--ink);
  /* 16px is not a style choice. iOS Safari zooms the whole page when a
     focused field is smaller, and the man then has to pinch back out after
     every single field. Never drop below this. */
  font-size:16px;
}
input:focus,textarea:focus,select:focus{outline:2px solid var(--verdigris);outline-offset:-2px;border-color:var(--verdigris);}
textarea{min-height:86px;resize:vertical;}
.field{margin-bottom:16px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;}
@media(max-width:640px){.grid2{grid-template-columns:1fr;}}

/* ranked teach/learn rows */
.rank{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.rank .n{
  flex:0 0 26px;height:26px;display:flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--hair);color:var(--steel);
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;
}
.rank input{flex:1;}

/* ── directory / exchange ────────────────────────────────────────── */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;}
.person{background:var(--panel);border:1px solid var(--hair);}
.person .band{height:5px;background:var(--verdigris);}
.person .body{padding:15px 17px;}
 /* The email and phone links ARE the point of the directory — a man taps one
    to reach another man. They get a full touch target, not a text-link's. */
.person a{display:inline-block;padding:11px 8px;margin-left:-8px;}
.person h3{margin-bottom:2px;}
.person .meta{color:var(--steel);font-size:.82rem;margin:0 0 8px;}
.avatar{
  width:38px;height:38px;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;margin-bottom:10px;
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.06em;
}
.tags{margin:8px 0 0;padding:0;list-style:none;}
.tags li{
  display:block;padding:3px 0 3px 12px;border-left:3px solid var(--hair);
  font-size:.88rem;margin-bottom:3px;
}
.tags li.teach{border-left-color:var(--verdigris);}
.tags li.learn{border-left-color:var(--brick);}
.tagline{
  font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.13em;
  font-size:.62rem;color:var(--steel);margin:12px 0 4px;
}

/* ── status messages ─────────────────────────────────────────────── */
.msg{padding:11px 14px;margin:14px 0;border:1px solid var(--hair);background:var(--panel);font-size:.92rem;}
.msg.ok{border-left:4px solid var(--verdigris);}
.msg.err{border-left:4px solid var(--brick);}
/* Between "done" and "broken": the address is not on the roster, the rate
   limit is hit, the link has not arrived. Each is a dead end the man must
   act on, but none is an error he caused, so it does not get the red. */
.msg.warn{border-left:4px solid var(--orange);}
.loading{color:var(--steel);padding:20px 0;}

.footer{border-top:1px solid var(--hair);margin-top:40px;padding:18px 0;color:var(--steel);font-size:.82rem;}