:root {
  --ink: #0a0a0a;
  --paper: #f4f4f0;
  --accent: #ffffff;
  --danger: #b00020;
  --tape: #d9d9d9;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--ink); color: var(--paper);
  font-family: "Courier New", ui-monospace, monospace;
  line-height: 1.45;
}
main { max-width: 720px; margin: 0 auto; padding: 1rem; }
a { color: var(--paper); }

.site-header {
  text-align: center; padding: 1.25rem 1rem; border-bottom: 4px solid var(--paper);
  background: #000;
}
.site-header .logo { max-width: 160px; height: auto; }
.site-header h1 {
  font-size: 1.6rem; letter-spacing: 2px; text-transform: uppercase; margin: .4rem 0 .2rem;
}
.motto {
  display: inline-block; background: var(--paper); color: var(--ink);
  padding: .1rem .5rem; transform: rotate(-2deg); font-weight: bold;
}

h2, h3 { text-transform: uppercase; letter-spacing: 1px; }

.intro { border-left: 4px solid var(--paper); padding-left: .6rem; }

.area { margin-bottom: 1.5rem; }
.shift {
  border: 2px solid var(--paper); padding: .75rem; margin: .6rem 0;
  background: #111;
}
.shift.full { opacity: .55; }
.shift-head { display: flex; flex-wrap: wrap; gap: .5rem; align-items: baseline; }
.shift-head .slots { margin-left: auto; font-weight: bold; }
.full-label {
  display: inline-block; background: var(--danger); color: #fff;
  padding: .1rem .5rem; transform: rotate(-1deg);
}

.signup-form { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.signup-form input { flex: 1 1 8rem; }
input, select, button {
  font: inherit; padding: .5rem; border: 2px solid var(--paper);
  background: var(--paper); color: var(--ink);
}
button {
  cursor: pointer; text-transform: uppercase; font-weight: bold;
  background: var(--ink); color: var(--paper);
}
button:hover { background: var(--paper); color: var(--ink); }

.errors { border: 2px solid var(--danger); color: #ff9aa2; padding: .5rem; margin: .5rem 0; }

.confirm { text-align: center; padding: 2rem 1rem; }

/* Admin */
.admin-bar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; justify-content: space-between; }
.admin-actions { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; }
.admin form.inline { display: inline; }
table { width: 100%; border-collapse: collapse; margin: .75rem 0; }
th, td { border: 1px solid var(--paper); padding: .4rem; text-align: left; font-size: .95rem; }
.shift-form { display: grid; gap: .5rem; max-width: 420px; }
.shift-form label { display: grid; gap: .2rem; }

.qr-page { text-align: center; }
.qr-img { max-width: 320px; width: 100%; height: auto; background: #fff; padding: .5rem; }

.site-footer { text-align: center; padding: 1rem; opacity: .6; font-size: .85rem; }

@media (max-width: 480px) {
  .shift-head .slots { margin-left: 0; }
}