/* ─── RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── THEME VARIABLES ───────────────────────────────────────── */
/* Carried over from the old market site so alver.cc keeps its identity. */
:root, :root[data-theme="dark"] {
  --bg:            #060d1a;
  --panel:         #0b1727;
  --panel2:        #0e1c30;
  --border:        #1c3452;
  --text-color:    #8db8d8;
  --text-bright:   #daeeff;
  --text-dim:      #3a587a;
  --accent:        #00e5ff;
  --accent-dim:    rgba(0,229,255,0.08);
  --accent-glow:   rgba(0,229,255,0.35);
  --scanline:      rgba(0,0,0,0.035);
}

:root[data-theme="light"] {
  --bg:            #eef4fc;
  --panel:         #ffffff;
  --panel2:        #f0f5ff;
  --border:        #c0d2ea;
  --text-color:    #2c3e5a;
  --text-bright:   #0a1530;
  --text-dim:      #8090b0;
  --accent:        #0055cc;
  --accent-dim:    rgba(0,85,204,0.07);
  --accent-glow:   rgba(0,85,204,0.3);
  --scanline:      rgba(0,0,0,0);
}

/* ─── BASE ───────────────────────────────────────────────────── */
/* No html font-size override — rem stays tied to the reader's own setting. */

body {
  font-family: 'Roboto', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-color);
  min-height: 100vh;
  line-height: 1.5;
  transition: background 0.25s, color 0.25s;
  -webkit-font-smoothing: antialiased;
}

/* CRT scanline overlay — invisible in light theme via --scanline */
#scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    var(--scanline) 3px,
    var(--scanline) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2.5rem, 9vw, 5.5rem) clamp(1.1rem, 5vw, 2rem) 3rem;
}

/* ─── MASTHEAD ───────────────────────────────────────────────── */
.masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 7vw, 4rem);
}

.wordmark {
  font-family: 'Roboto Mono', ui-monospace, monospace;
  font-size: clamp(2rem, 8vw, 3.1rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  color: var(--text-bright);
  text-shadow: 0 0 18px var(--accent-glow);
}
/* The phosphor glow only makes sense against a dark screen */
:root[data-theme="light"] .wordmark { text-shadow: none; }

.tagline {
  margin-top: 0.9rem;
  max-width: 34ch;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.theme-toggle {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.theme-toggle:hover { border-color: var(--accent); background: var(--accent-dim); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Filled disc in dark theme, ring in light — reads as sun/moon without an icon font */
.theme-toggle-icon {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--accent);
  transition: background 0.15s;
}
:root[data-theme="light"] .theme-toggle-icon { background: transparent; }

/* ─── BOARD ──────────────────────────────────────────────────── */
.board-head {
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
}

.board-label {
  font-family: 'Roboto Mono', ui-monospace, monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.rows { list-style: none; }

.row-item {
  border-bottom: 1px solid var(--border);
  opacity: 0;
  animation: fade-up 0.4s ease forwards;
}
/* Stagger: the index populates like a listing coming up on screen */
.row-item:nth-child(1) { animation-delay: 0.05s; }
.row-item:nth-child(2) { animation-delay: 0.11s; }
.row-item:nth-child(3) { animation-delay: 0.17s; }
.row-item:nth-child(4) { animation-delay: 0.23s; }
.row-item:nth-child(5) { animation-delay: 0.29s; }
.row-item:nth-child(6) { animation-delay: 0.35s; }
.row-item:nth-child(7) { animation-delay: 0.41s; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(7px); }
  to   { opacity: 1; transform: none; }
}

.row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 0.75rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.15s, border-left-color 0.15s, padding-left 0.15s;
}
.row:hover,
.row:focus-visible {
  background: var(--accent-dim);
  border-left-color: var(--accent);
  padding-left: 1rem;
  outline: none;
}
.row:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.glyph {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--panel2);
  color: var(--accent);
  font-size: 1.05rem;
  transition: border-color 0.15s, color 0.15s;
}
.row:hover .glyph { border-color: var(--accent); }

.row-main { min-width: 0; }

.row-title {
  display: block;
  font-family: 'Roboto Mono', ui-monospace, monospace;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-bright);
}

.row-desc {
  display: block;
  margin-top: 0.28rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 2.5rem;
  font-size: 0.75rem;
}

.footer-link {
  font-family: 'Roboto Mono', ui-monospace, monospace;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.footer-link:hover { border-bottom-color: var(--accent); }
.footer-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.footer-note { color: var(--text-dim); }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 560px) {
  .row { padding: 0.95rem 0.6rem; }
  .tagline { font-size: 0.86rem; }
}

/* ─── MOTION ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .row-item { opacity: 1; }
}