@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* Panel background, evoking an IECC/Westcad signalling screen */
  --panel-0: #0d1418;
  --panel-1: #121b21;
  --panel-2: #182631;
  --panel-3: #22333f;
  --line: #33495a;
  --track: #c7d3d8;
  --text: #dfe8ec;
  --text-dim: #8fa3ad;

  /* Signal aspects, used functionally, not decoratively */
  --aspect-green: #2ecc71;
  --aspect-green-dim: #1c7a44;
  --aspect-yellow: #f2b705;
  --aspect-red: #e5484d;
  --aspect-blue: #4fa3e3;

  --radius: 3px;
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background:
    linear-gradient(180deg, var(--panel-0), var(--panel-1) 220px);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

/* faint horizontal "track" lines across the whole page, like a panel diagram */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 39px,
    rgba(199, 211, 216, 0.028) 40px
  );
  z-index: 0;
}

a { color: var(--aspect-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

/* ---------- header ---------- */
header.top {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 20, 24, 0.7);
  backdrop-filter: blur(6px);
}

.top-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--aspect-green);
  box-shadow: 0 0 8px var(--aspect-green);
  flex: none;
}

nav.main {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  font-size: 0.95rem;
}

nav.main a { color: var(--text-dim); }
nav.main a:hover, nav.main a.active { color: var(--text); text-decoration: none; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.user-chip img {
  width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--line);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--aspect-blue); text-decoration: none; }
.btn-go {
  background: linear-gradient(180deg, #2ecc71, #1c9e57);
  border-color: #1c9e57;
  color: #06170d;
}
.btn-go:hover { border-color: var(--aspect-green); }
.btn-danger {
  background: transparent;
  border-color: var(--aspect-red);
  color: var(--aspect-red);
}
.btn-danger:hover { background: rgba(229, 72, 77, 0.1); }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

/* ---------- hero / page titles ---------- */
h1.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  letter-spacing: 0.01em;
  margin: 40px 0 6px;
}
.page-sub { color: var(--text-dim); margin-bottom: 32px; }

/* ---------- flash messages ---------- */
.flash {
  margin: 20px 0;
  padding: 12px 16px;
  border-radius: var(--radius);
  border-left: 3px solid var(--aspect-green);
  background: rgba(46, 204, 113, 0.08);
  font-size: 0.92rem;
}
.flash.error { border-left-color: var(--aspect-red); background: rgba(229,72,77,0.08); }

/* ---------- event list = panel cards ---------- */
.event-card {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  margin-bottom: 14px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--aspect-green);
  border-radius: var(--radius);
  transition: border-color .15s, transform .1s;
}
.event-card:hover { border-left-color: var(--aspect-blue); }
.event-card.cancelled { border-left-color: var(--aspect-red); opacity: 0.55; }
.event-card.full { border-left-color: var(--aspect-yellow); }

.event-date-block {
  font-family: var(--font-mono);
  text-align: center;
  flex: none;
  width: 68px;
  padding: 6px 0;
  border-right: 1px solid var(--line);
}
.event-date-block .day { font-size: 1.6rem; font-weight: 600; line-height: 1; }
.event-date-block .mon { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .08em; }

.event-body { flex: 1; min-width: 0; }
.event-stations {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.event-meta {
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-family: var(--font-mono);
}
.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  color: var(--text-dim);
}
.badge.aspect-green { color: var(--aspect-green); border-color: var(--aspect-green-dim); }
.badge.aspect-red { color: var(--aspect-red); border-color: var(--aspect-red); }
.badge.aspect-yellow { color: var(--aspect-yellow); border-color: var(--aspect-yellow); }

.event-signups-count { font-family: var(--font-mono); flex: none; text-align: right; align-self: center; font-size: 0.9rem; color: var(--text-dim); }

/* ---------- forms ---------- */
form.panel-form {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 6px;
  font-size: 0.95rem;
  color: var(--text);
}
.field .hint { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row .field { flex: 1; min-width: 180px; }

input[type=text], input[type=date], input[type=time], input[type=number],
select, textarea {
  width: 100%;
  background: var(--panel-1);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}
select[multiple] { min-height: 140px; }
textarea { font-family: var(--font-body); min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--aspect-blue);
  outline-offset: 1px;
  border-color: var(--aspect-blue);
}

.radio-group, .checkbox-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip-option {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--text-dim);
  background: var(--panel-1);
}
.chip-option input { position: absolute; opacity: 0; pointer-events: none; }
.chip-option.checked {
  border-color: var(--aspect-green);
  color: var(--aspect-green);
  background: rgba(46, 204, 113, 0.08);
}

/* ---------- event detail ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.detail-item {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.detail-item .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); font-family: var(--font-display); }
.detail-item .value { font-family: var(--font-mono); font-size: 1.05rem; margin-top: 4px; }

.timetable-box {
  background: var(--panel-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 16px 0 24px;
}

.signup-list { list-style: none; padding: 0; margin: 12px 0; }
.signup-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--line);
}
.signup-list img { width: 30px; height: 30px; border-radius: 50%; }

.status-banner {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.status-banner.cancelled { background: rgba(229,72,77,0.12); color: var(--aspect-red); border: 1px solid var(--aspect-red); }

footer.site-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 40px 20px 20px;
  position: relative;
  z-index: 1;
}

@media (max-width: 560px) {
  .event-card { flex-direction: column; }
  .event-date-block { width: auto; border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 8px; text-align: left; display: flex; gap: 8px; align-items: baseline; }
}