/* =====================================================================
   Trestle theme — dark (default) + light
   Brand: BC-TRBO · Dogwood Gold / Forest / Cream
   Mode: follows the OS setting; <html data-theme="light|dark"> overrides.
   ===================================================================== */

@font-face {
  font-family: "Orbitron";
  src: url("fonts/orbitron-latin-600-normal.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Orbitron";
  src: url("fonts/orbitron-latin-700-normal.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ---- Brand constants (same in both modes) ---- */
:root {
  --tr-gold:   #F6A31B;
  --tr-forest: #0D4A3B;
  --tr-cream:  #FBF7EE;
  --tr-ink:    #141413;
  --font-brand: "Orbitron", system-ui, sans-serif;
  --font-ui: system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---- Dark mode (default; matches the current site) ---- */
:root {
  color-scheme: dark;
  --bg:        #141413;
  --surface:   #1E1E1C;
  --border:    #33332F;
  --text:      #ECEBE6;
  --text-dim:  #A3A29B;
  --ok:        #6FCF8F;   /* "live", "connected", "up" */

  --header-bg:      #1E1E1C;
  --header-border:  1px solid #33332F;
  --header-text:    #ECEBE6;
  --header-tag:     var(--tr-gold);
  --header-divider: #33332F;   /* between rows on mobile */

  --accent-bg: var(--tr-gold);  /* active nav, Log in */
  --accent-fg: #141413;

  --mark-ink:    #ECEBE6;       /* trestle timbers */
  --mark-ground: #1E1E1C;       /* knockout = header background */
}

/* ---- Light mode ---- */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg:        #F7F5EF;
    --surface:   #FFFFFF;
    --border:    #E3E0D6;
    --text:      #141414;
    --text-dim:  #5B5A55;
    --ok:        #1E7A45;
    --header-bg:      var(--tr-forest);
    --header-border:  3px solid var(--tr-gold);
    --header-text:    var(--tr-cream);
    --header-tag:     var(--tr-gold);
    --header-divider: #1F5E4D;
    --accent-bg: var(--tr-gold);
    --accent-fg: #141413;
    --mark-ink:    var(--tr-cream);
    --mark-ground: var(--tr-forest);
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg:        #F7F5EF;
  --surface:   #FFFFFF;
  --border:    #E3E0D6;
  --text:      #141414;
  --text-dim:  #5B5A55;
  --ok:        #1E7A45;
  --header-bg:      var(--tr-forest);
  --header-border:  3px solid var(--tr-gold);
  --header-text:    var(--tr-cream);
  --header-tag:     var(--tr-gold);
  --header-divider: #1F5E4D;
  --accent-bg: var(--tr-gold);
  --accent-fg: #141413;
  --mark-ink:    var(--tr-cream);
  --mark-ground: var(--tr-forest);
}

/* ---- Page basics ---- */
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
}

/* ---- Header: #topnav (keeps the site's existing structure) ---- */
#topnav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  padding: 10px 24px;
  background: var(--header-bg);
  border-bottom: var(--header-border);
  color: var(--header-text);
}
#topnav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--header-text);
}
#topnav .brand-mark { display: block; width: 76px; flex-shrink: 0; line-height: 0; }
#topnav .brand-mark > svg { width: 100%; height: auto; display: block; }
#topnav .brand-text { display: flex; flex-direction: column; gap: 5px; }
#topnav .brand-name {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 22px;
  line-height: 0.85;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
#topnav .brand-tag {
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--header-tag);
}
#topnav .links { display: flex; gap: 6px; font-size: 14px; }
#topnav .links a {
  color: var(--header-text);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 6px;
}
#topnav .links a:hover { background: color-mix(in srgb, var(--header-text) 12%, transparent); }
#topnav .links a.on,
#topnav .login {
  background: var(--accent-bg);
  color: var(--accent-fg);
  font-weight: 600;
}
#topnav .login {
  margin-left: auto;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  text-decoration: none;
}
#topnav a:focus-visible { outline: 2px solid var(--tr-gold); outline-offset: 2px; }

/* ---- Mobile: nav drops to its own row, tag hidden, 44px tap targets ---- */
@media (max-width: 640px) {
  #topnav { gap: 12px; padding: 10px 16px 0; }
  #topnav .brand-mark { width: 60px; }
  #topnav .brand-name { font-size: 18px; }
  #topnav .brand-tag { display: none; }
  #topnav .login { order: 2; padding: 12px 14px; }
  #topnav .links {
    order: 3;
    flex-basis: 100%;
    margin: 0 -16px;
    padding: 10px 16px;
    border-top: 1px solid var(--header-divider);
  }
  #topnav .links a { padding: 12px 14px; }
}

/* ---- Status pills & cards (optional: map existing classes to these) ---- */
.pill-ok { border: 1px solid var(--ok); color: var(--ok); border-radius: 999px; padding: 1px 8px; font-size: 12px; }
.card    { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }