/* WYGC: one stylesheet, no frameworks.  Mobile first. */

:root {
  --bg: #fbfbf8;
  --fg: #1d1f1c;
  --muted: #6a6f68;
  --line: #dcdfd8;
  --panel: #ffffff;
  --accent: #1f9d3a;
  --accent-fg: #ffffff;
  --bar: #44ff44;
  --bar-fg: #0b2a10;
  --stripe: #f2f4ef;
  --me: #e5f8e1;
  --danger: #b3261e;
  --warn-bg: #fff4d6;
  --ok-bg: #e5f8e1;
  --err-bg: #fde7e4;
  --super-bg: #ff9ccf;
  --super-fg: #4a0026;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121411;
    --fg: #e9ece6;
    --muted: #9aa196;
    --line: #2d322b;
    --panel: #1a1d18;
    --accent: #3ccf5a;
    --accent-fg: #07160a;
    --bar: #1f5a28;
    --bar-fg: #e9ffe9;
    --stripe: #171a16;
    --me: #1d3520;
    --danger: #ff8a80;
    --warn-bg: #3a3112;
    --ok-bg: #1d3520;
    --err-bg: #3d1a17;
    --super-bg: #c2187a;
    --super-fg: #fff0f8;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

main {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem;
}

/*
 * Headings and the site name are in Press Start 2P, an arcade pixel font
 * (see licenses/press-start.md).  It's wide and tall, so it runs smaller
 * than a body font and needs more line height.
 */
:root { --heading-font: "Press Start 2P", ui-monospace, monospace; }

h1, h2, .brand {
  font-family: var(--heading-font);
  font-weight: normal;  /* it has no bold; don't let browsers fake one */
  line-height: 1.5;
  overflow-wrap: anywhere;
}
h1 { font-size: 1.25rem; margin: 0.75rem 0 0.5rem; }
h2 { font-size: 0.95rem; margin: 1.75rem 0 0.75rem; }
.sub { color: var(--muted); margin: 0 0 1rem; }

/* Navigation bar, in honor of the original #44ff44. */
.bar {
  background: var(--bar);
  color: var(--bar-fg);
  font-size: calc(1rem - 1pt);
  line-height: 1.3;
  padding: 0.3rem 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 0.75rem;
  align-items: center;
  justify-content: space-between;
}
.bar a, .bar button.link { color: var(--bar-fg); }
.bar nav { display: flex; flex-wrap: wrap; gap: 0.1rem 0.6rem; align-items: center; }

footer {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 2rem 1rem;
}

/* Shown whenever someone has site-admin powers switched on or is
   impersonating someone: pink, so nobody forgets. */
.bar .superpowers {
  background: var(--super-bg);
  color: var(--super-fg);
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  font-weight: 600;
}
.bar .superpowers button.link { color: var(--super-fg); }

/* Power switches on the admin page. */
.power { margin: 0.75rem 0; align-items: center; }
.power .power-name { flex: 1 1 14rem; }
.power .on { color: var(--danger); font-weight: 700; }

/* Breadcrumbs live in the nav bar, led by the site name in the heading
   font. */
.bar .crumbs { display: block; overflow-wrap: anywhere; }
.crumbs .brand {
  font-size: 0.75rem;
  text-decoration: none;
}

/* An event's name heads all its pages, above their tabs. */
.event-title { margin: 0.5rem 0 0.25rem; }
.event-title a { color: inherit; text-decoration: none; }

/* An event's pages, as tabs across the top of the content. */
.event-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.75rem;
}
.event-tabs .tab {
  padding: 0.35rem 0;
  margin-bottom: -1px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.event-tabs .tab:hover, .event-tabs .tab:focus { border-bottom-color: var(--line); }
.event-tabs .tab.current {
  color: var(--fg);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

/* Messages */
.msg, .err, .warn {
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  margin: 0.5rem 0 1rem;
}
.msg { background: var(--ok-bg); }
.err { background: var(--err-bg); }
.warn { background: var(--warn-bg); }

/* Tables */
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
tbody tr:nth-child(even) { background: var(--stripe); }
tr.me { background: var(--me) !important; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.rank { width: 2.5rem; color: var(--muted); }
.small { font-size: 0.85rem; color: var(--muted); }
.best { color: var(--accent); font-weight: 600; }

/* Standings: status marker column and sortable headers. */
.marker { width: 1.75rem; padding-left: 0; padding-right: 0; text-align: center; }
.done { color: var(--accent); font-weight: 700; }
a.sort { color: inherit; text-decoration: none; }
a.sort:hover, a.sort:focus { text-decoration: underline; }
.legend { margin-top: 0.5rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* Forms */
form.stack { display: grid; gap: 0.75rem; max-width: 24rem; }
form.stack.wide { max-width: 40rem; }
form.inline { display: inline; }
label { display: grid; gap: 0.2rem; font-weight: 600; font-size: 0.9rem; }
label.check { display: flex; gap: 0.5rem; align-items: center; font-weight: 400; }
input[type=text], input[type=password], input[type=email], input[type=number], select, textarea {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--fg);
  width: 100%;
  min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; }
input[aria-invalid="true"] { border-color: var(--danger); }
button, .button {
  font: inherit;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.secondary, .button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--line); }
button.danger { background: var(--danger); color: var(--bg); }
button.link {
  background: none; border: 0; padding: 0; font-weight: inherit;
  color: var(--accent); text-decoration: underline;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin: 0.75rem 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
}

/* Signup codes: big, monospaced, easy to read aloud. */
.code {
  font: 700 1.6rem/1.2 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  letter-spacing: 0.15em;
  margin: 0.25rem 0;
}

.formula {
  font-family: Georgia, serif;
  font-size: 1.15rem;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border-left: 4px solid var(--accent);
  overflow-x: auto;
}

.cards { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.cards li { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 0.75rem 1rem; }

/* Admin rows: forms laid out in a wrapping row. */
.row-form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }
.row-form label { flex: 1 1 10rem; }
.row-form .narrow { flex: 0 1 9rem; }

/*
 * Phones: turn the score tables into stacked cards, with each cell
 * labelled by its data-label.
 */
@media (max-width: 40rem) {
  main { padding: 0.75rem; }
  table.cards-sm thead { display: none; }
  table.cards-sm, table.cards-sm tbody, table.cards-sm tr, table.cards-sm td { display: block; width: 100%; }
  table.cards-sm tr {
    border: 1px solid var(--line);
    border-radius: 8px;
    margin-bottom: 0.6rem;
    padding: 0.4rem 0.75rem;
    background: var(--panel);
  }
  table.cards-sm tbody tr:nth-child(even) { background: var(--panel); }
  table.cards-sm td {
    border: 0;
    padding: 0.2rem 0;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    text-align: right;
  }
  table.cards-sm td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.85rem;
    text-align: left;
  }
  table.cards-sm td.title { font-weight: 700; font-size: 1.05rem; text-align: left; }
  table.cards-sm td.title::before { content: none; }
  table.cards-sm td { flex-wrap: wrap; align-items: center; }
  table.cards-sm td input[type=text] { flex: 1 1 8rem; max-width: 14rem; text-align: right; }
  table.cards-sm td .check, table.cards-sm td .err { flex-basis: 100%; justify-content: flex-end; }
}