/* OSYS — cosmography. Deep midnight + dim gold ledger lines, serif
 * body, monospace ledger detail. The 11th distinct surface in the
 * ON1 family. Reads as an early-modern star atlas crossed with a
 * municipal-records ledger. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

:root {
  --bg:      #08091a;
  --bg-2:    #0d0f23;
  --bg-3:    #141733;
  --ink:     #e5dcc4;
  --ink-2:   #b9b09a;
  --dim:     #6e6a82;
  --gold:    #d4af6c;
  --rust:    #b96e3a;
  --cyan:    #6dd4e0;
  --violet:  #9b87d6;
  --rule:    #2a2c47;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  font-size: 17px;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Decorative starfield (drawn by osys.js into <canvas>) */
#stars {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: .8;
}

/* All content above the canvas */
.orrery-strip, main, .orrery-foot { position: relative; z-index: 1; }

/* ─── top strip ─── */
.orrery-strip {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 1rem 1.6rem;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(15,16,46,.9) 0%, rgba(8,9,26,.6) 100%);
}
.brand {
  font: 400 1.55rem 'Major Mono Display', monospace;
  color: var(--gold);
  letter-spacing: .22em;
  margin-right: .65rem;
}
.brand-sub {
  color: var(--ink-2); font-style: italic;
  letter-spacing: .04em;
}
.strip-l, .strip-r { display: flex; gap: .5rem; align-items: baseline; }
.sep { color: var(--rule); }
.ord {
  font: 400 .85rem 'IBM Plex Mono', monospace;
  color: var(--gold);
  letter-spacing: .1em;
}
.link {
  color: var(--ink);
  text-decoration: none;
  font: 400 .82rem 'IBM Plex Mono', monospace;
  letter-spacing: .08em;
  border-bottom: 1px dotted transparent;
}
.link:hover { color: var(--gold); border-bottom-color: var(--gold); }

/* ─── prologue ─── */
.cosmos { max-width: 1300px; margin: 0 auto; padding: 1.5rem 1.6rem 3rem; }
.prologue {
  border: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(15,16,46,.65), rgba(8,9,26,.4));
  padding: 1.5rem 1.8rem 1.7rem;
  margin-bottom: 2rem;
  position: relative;
}
.prologue::before, .prologue::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--gold);
  opacity: .6;
}
.prologue::before { top: -1px; left: -1px;  border-right: 0; border-bottom: 0; }
.prologue::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.prologue h1 {
  margin: 0 0 .6rem;
  font: 400 2.6rem 'Major Mono Display', monospace;
  letter-spacing: .18em;
  color: var(--gold);
}
.prologue .lede {
  margin: 0;
  font-size: 1.1rem;
  color: var(--ink);
  max-width: 70ch;
}
.prologue em { color: var(--gold); font-style: italic; }

/* ─── orbit (section) ─── */
.orbit {
  margin: 2.2rem 0 1.6rem;
  position: relative;
}
.orbit-head {
  border-bottom: 1px solid var(--rule);
  padding-bottom: .5rem;
  margin-bottom: 1rem;
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap;
  gap: .5rem;
}
.orbit-head h2 {
  margin: 0;
  font: 700 1.15rem 'Major Mono Display', monospace;
  letter-spacing: .14em;
  color: var(--ink);
}
.orbit-head .orbit-sub {
  margin: 0;
  color: var(--dim);
  font-style: italic;
  font-size: .92rem;
}

/* ─── moons (cards inside an orbit) ─── */
.moons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: .8rem;
}
.moon {
  background: rgba(20,23,51,.65);
  border: 1px solid var(--rule);
  padding: .8rem .95rem 1rem;
  position: relative;
  transition: background .2s, border-color .2s, transform .15s;
}
.moon:hover {
  background: rgba(28,32,68,.85);
  border-color: var(--gold);
  transform: translateY(-2px);
}
.moon-name {
  font: 600 1.02rem 'Cormorant Garamond', serif;
  color: var(--ink);
  margin-bottom: .15rem;
  display: flex; justify-content: space-between; align-items: baseline;
  gap: .35rem;
}
.moon-tag {
  font: 400 .82rem 'IBM Plex Mono', monospace;
  color: var(--ink-2);
  line-height: 1.45;
  margin-bottom: .4rem;
  letter-spacing: .02em;
}
.moon-stats {
  font: 400 .78rem 'IBM Plex Mono', monospace;
  color: var(--dim);
  border-top: 1px dashed var(--rule);
  padding-top: .35rem;
  letter-spacing: .04em;
}
.moon a {
  color: var(--gold);
  text-decoration: none;
}
.moon a:hover { color: var(--rust); }

/* ─── tags inside moon names ─── */
.tag {
  font: 400 .68rem 'IBM Plex Mono', monospace;
  letter-spacing: .14em;
  border: 1px solid var(--rule);
  padding: 0 .35rem;
  color: var(--ink-2);
  text-transform: uppercase;
}
.tag.live { color: var(--cyan);   border-color: var(--cyan); }
.tag.wip  { color: var(--gold);   border-color: var(--gold); }
.tag.opt  { color: var(--violet); border-color: var(--violet); }
.tag.pri  { color: var(--gold);   border-color: var(--gold); }
.tag.co   { color: var(--violet); border-color: var(--violet); }
.tag.stu  { color: var(--cyan);   border-color: var(--cyan); }
.tag.rsv  { color: var(--dim);    border-color: var(--dim); }

/* ─── per-orbit accent ─── */
.orbit-on1    .orbit-head h2 { color: var(--gold);   }
.orbit-hw     .orbit-head h2 { color: var(--cyan);   }
.orbit-agents .orbit-head h2 { color: var(--violet); }
.orbit-pub    .orbit-head h2 { color: var(--rust);   }
.orbit-data   .orbit-head h2 { color: var(--ink);    }

.orbit-on1    .moon { border-left: 3px solid var(--gold);   }
.orbit-hw     .moon { border-left: 3px solid var(--cyan);   }
.orbit-agents .moon { border-left: 3px solid var(--violet); }
.orbit-pub    .moon { border-left: 3px solid var(--rust);   }
.orbit-data   .moon { border-left: 3px solid var(--ink);    }

/* ─── status indicator on ON1 moons (set by JS) ─── */
.moon.status-alpha    .moon-name::after,
.moon.status-beta     .moon-name::after,
.moon.status-deferred .moon-name::after {
  content: ''; display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  margin-left: .35rem;
}
.moon.status-alpha    .moon-name::after { background: var(--cyan); }
.moon.status-beta     .moon-name::after { background: var(--gold); }
.moon.status-deferred .moon-name::after { background: var(--dim); }

/* ─── footer ─── */
.orrery-foot {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 1.6rem 2rem;
  text-align: center;
  color: var(--dim);
  font-size: .82rem;
  font-style: italic;
}
.orrery-foot a { color: var(--gold); text-decoration: none; border-bottom: 1px dotted var(--gold); }
.orrery-foot a:hover { color: var(--rust); border-bottom-color: var(--rust); }