:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #6b7785;
  --accent: #1b6ec2;
  --accent-dark: #155290;
  --border: #d8dee5;
  --good: #e8f4ec;
  --good-text: #1f6f3f;
  --gold: #f2c14e;
  --gold-dark: #b58a1d;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.5;
}

header {
  background: var(--accent);
  color: white;
  padding: 1.25rem 2rem;
}
header h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
header .subtitle { margin: 0; opacity: 0.9; font-size: 0.9rem; }
.header-link {
  color: white;
  margin-left: 1rem;
  text-decoration: underline;
  font-size: 0.9rem;
}

main {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}
.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--accent-dark);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}
.row label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 0.25rem;
}

input[type="text"],
input[type="number"],
input[type="file"],
select {
  font-size: 1rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: white;
  min-width: 140px;
}

button {
  font-size: 0.95rem;
  padding: 0.55rem 1rem;
  border-radius: 5px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
button.secondary { background: white; color: var(--accent); }
button.primary { background: var(--accent); font-size: 1.05rem; padding: 0.7rem 1.5rem; }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.muted { color: var(--muted); font-size: 0.85rem; }
.hidden { display: none !important; }

.event-info {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: #eef4fb;
  border-radius: 5px;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.table-scroll {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 5px;
  margin-bottom: 0.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
th {
  background: #f0f3f6;
  position: sticky;
  top: 0;
  font-weight: 600;
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

/* Landing page tool cards */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.tool-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  border-color: var(--accent);
}
.tool-card h3 {
  margin: 0 0 0.4rem;
  color: var(--accent-dark);
}
.tool-card p { margin: 0; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 600px) {
  main { padding: 0 0.5rem; }
  .card { padding: 1rem; }
  table { font-size: 0.8rem; }
}