:root {
  --bg: #0a0f1f;
  --bg-brick: #0e1730;
  --mortar: #060a16;
  --fg: #f3f5fb;
  --accent: #ff2d95;
  --accent-dark: #d6127a;
  --accent-glow: rgba(255, 45, 149, 0.55);
  --white-neon: #ffffff;
  --border: #2c3a5e;
  --card-bg: #121a34;
  --muted: #93a0c4;
  --ok: #4ade80;
  --error: #ff5d8a;
}

* { box-sizing: border-box; }

a { color: var(--accent); }
a:hover { text-shadow: 0 0 8px var(--accent-glow); }
a:visited { color: var(--accent); }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  line-height: 1.5;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--mortar) 1px, transparent 1px),
    linear-gradient(90deg, var(--mortar) 1px, transparent 1px);
  background-size: 64px 32px, 32px 32px;
  background-position: 0 0, 0 0;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(10, 15, 31, 0.9);
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  flex-wrap: wrap;
}

.topnav a, .topnav .who {
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav a:hover { color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }

.topnav .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-right: auto;
}

.brand-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.topnav form.inline { margin: 0; }

.topnav button {
  background: none;
  border: 1px solid var(--accent);
  color: var(--fg);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
}

.topnav button:hover { box-shadow: 0 0 10px var(--accent-glow); }

h1, h2 {
  color: var(--white-neon);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
}

h1 { margin-top: 1rem; }

.cards {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0 2rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  min-width: 160px;
}

.card h2 { margin: 0; font-size: 2rem; color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }
.card p { margin: 0 0 0.5rem; color: var(--muted); }
.card a { color: var(--fg); }
.card a:hover { color: var(--accent); }

table.grid, table.month-grid {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: var(--card-bg);
}

table.grid th, table.grid td,
table.month-grid th, table.month-grid td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
  font-size: 0.95rem;
}

table.grid th, table.month-grid th {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

table.grid { display: block; overflow-x: auto; white-space: nowrap; }
table.grid thead, table.grid tbody { display: table; width: 100%; }

table.grid a { color: var(--accent); }

tr.inactive { opacity: 0.5; }

table.month-grid td {
  vertical-align: top;
  height: 90px;
  width: 14.28%;
  font-size: 0.85rem;
}

table.month-grid td.empty { background: rgba(0, 0, 0, 0.25); }
table.month-grid .daynum { font-weight: 600; color: var(--fg); }
table.month-grid td.night-scheduled { background: rgba(255, 45, 149, 0.12); box-shadow: inset 0 0 0 1px var(--accent-glow); }
table.month-grid td.night-cancelled { background: rgba(255, 255, 255, 0.04); color: var(--muted); }
table.month-grid .night-tag { font-size: 0.75rem; text-transform: uppercase; color: var(--muted); }
table.month-grid form { margin: 0.25rem 0 0; }
table.month-grid button, table.month-grid summary { font-size: 0.75rem; cursor: pointer; }

.cal-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1rem 0;
}
.cal-nav a { color: var(--accent); text-decoration: none; }
.cal-nav a:hover { text-shadow: 0 0 8px var(--accent-glow); }

.form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  margin: 1rem 0;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.form input, .form select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg-brick);
}

.form input:focus, .form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form .hint { font-weight: normal; color: var(--muted); }

button, .button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-block;
  transition: box-shadow 0.15s ease;
}

button:hover, .button:hover {
  background: var(--accent-dark);
  box-shadow: 0 0 14px var(--accent-glow);
}

.link-danger {
  background: none;
  color: var(--error);
  padding: 0;
  text-decoration: underline;
  font-size: 0.85rem;
}
.link-danger:hover { box-shadow: none; text-shadow: 0 0 8px var(--error); }

.link-add {
  background: none;
  color: var(--accent);
  padding: 0;
  font-size: 0.85rem;
}
.link-add:hover { box-shadow: none; text-shadow: 0 0 8px var(--accent-glow); }

.flash { padding: 0.6rem 0.9rem; border-radius: 4px; margin: 0.75rem 0; border: 1px solid; }
.flash-ok { background: rgba(74, 222, 128, 0.1); color: var(--ok); border-color: rgba(74, 222, 128, 0.4); }
.flash-error { background: rgba(255, 93, 138, 0.1); color: var(--error); border-color: rgba(255, 93, 138, 0.4); }

.night-list { list-style: none; padding: 0; }
.night-list li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.night-list a { color: var(--fg); text-decoration: none; }
.night-list a:hover { color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }

@media (max-width: 600px) {
  .cards { flex-direction: column; }
  table.month-grid td { height: auto; font-size: 0.75rem; }
}