:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --panel2: #1f2630;
  --text: #f0f6fc;
  --muted: #9aa4b2;
  --border: #30363d;
  --accent: #58a6ff;
  --danger: #ff7b72;
  --good: #3fb950;
  --warn: #f0883e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #172033, var(--bg) 42rem);
  color: var(--text);
  line-height: 1.45;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 2rem;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 .35rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 700;
}

h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { margin: 0 0 1rem; }
.subline { margin: .5rem 0 0; color: var(--muted); }

.actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.button, .read-button, button.button {
  border: 1px solid var(--border);
  border-radius: .8rem;
  color: var(--text);
  background: var(--panel2);
  padding: .75rem 1rem;
  text-decoration: none;
  cursor: pointer;
  font-weight: 700;
  display: inline-block;
}
.button:hover, .read-button:hover { border-color: var(--accent); }
.button.secondary { background: transparent; }

.signup-callout {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin: 1rem 2rem 0;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(31,111,235,.22), rgba(240,136,62,.14));
  border: 1px solid rgba(88,166,255,.45);
  border-radius: 1.1rem;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}

.signup-callout h2 { margin-bottom: .35rem; }
.signup-callout p:not(.eyebrow) { margin: .25rem 0 0; color: #dbe7f3; }
.signup-callout .button { white-space: nowrap; background: #1f6feb; }

.weather-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .75rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.weather-strip div {
  background: rgba(22, 27, 34, .75);
  border: 1px solid var(--border);
  border-radius: .9rem;
  padding: .85rem;
}

.weather-strip span {
  display: block;
  color: var(--muted);
  font-size: .8rem;
}

.weather-strip strong {
  font-size: 1.15rem;
}

.alerts, .error {
  margin: 1rem 2rem 0;
  padding: 1rem;
  background: rgba(255, 123, 114, .12);
  border: 1px solid rgba(255, 123, 114, .35);
  border-radius: 1rem;
}

.sponsor-card, .sponsor-intro, .booking-card {
  margin: 1rem 2rem 0;
  padding: 1.25rem;
  background: rgba(22, 27, 34, .88);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}

.sponsor-layout {
  display: grid;
  grid-template-columns: minmax(160px, 260px) 1fr;
  gap: 1.25rem;
  align-items: center;
}

.sponsor-layout img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: .9rem;
  padding: .5rem;
}

.empty-sponsor { border-style: dashed; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  min-height: 70vh;
  background: rgba(22, 27, 34, .88);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  padding: 1.25rem;
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
}

.card.professional { border-top: 5px solid #8b949e; }
.card.blue { border-top: 5px solid #58a6ff; }
.card.unhinged { border-top: 5px solid #f0883e; }

pre {
  flex: 1;
  margin: 0 0 1rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  color: #dbe7f3;
}

.read-button {
  width: 100%;
  position: sticky;
  bottom: 1rem;
}

.sponsor-intro {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.price-box {
  display: grid;
  grid-template-columns: auto auto;
  gap: .35rem 1rem;
  min-width: 220px;
  padding: 1rem;
  background: var(--panel2);
  border-radius: .9rem;
  border: 1px solid var(--border);
}
.price-box span { color: var(--muted); }
.price-box strong { text-align: right; }

.sponsor-grid, .signup-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1rem;
  padding: 1rem 0 2rem;
}

.signup-grid { grid-template-columns: minmax(320px, 520px) 1fr; }
.signup-logo { max-width: 260px; width: 100%; height: auto; margin-bottom: 1rem; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .7rem;
}

.day-tile {
  display: block;
  padding: .8rem;
  border: 1px solid var(--border);
  background: var(--panel2);
  border-radius: .8rem;
  cursor: pointer;
}

.day-tile input { display: none; }
.day-tile span, .day-tile small { display: block; color: var(--muted); }
.day-tile strong { display: block; margin: .2rem 0; }
.day-tile:has(input:checked) { border-color: var(--good); outline: 2px solid rgba(63,185,80,.25); }
.day-tile:has(input:checked)::after { content: "Selected"; display: block; color: var(--good); font-size: .8rem; font-weight: 800; margin-top: .25rem; }
.day-tile.booked { opacity: .45; cursor: not-allowed; }

form label {
  display: block;
  margin: 0 0 .85rem;
  color: var(--muted);
  font-weight: 700;
}

input, textarea {
  width: 100%;
  margin-top: .3rem;
  padding: .8rem;
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: .75rem;
  color: var(--text);
  font: inherit;
}

.checkout-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.checkout-row p { color: var(--muted); }

.ad-preview-wrap {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.preview-card {
  margin: 0;
  border-top: 5px solid var(--warn);
}

.preview-placeholder {
  min-height: 140px;
  background:
    linear-gradient(135deg, rgba(88,166,255,.12), rgba(240,136,62,.12)),
    #0b0f14 !important;
}

.preview-placeholder[src=""]::before {
  content: "Upload Image";
}

.analytics-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: .85rem;
  padding: 1rem 2rem 0;
}

.metric-card {
  background: rgba(22, 27, 34, .88);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 18px 50px rgba(0,0,0,.16);
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
}

.metric-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin: .45rem 0;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 1rem 0 2rem;
}

.wide-card { grid-column: 1 / -1; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: .65rem .5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--muted); font-size: .85rem; }
td:last-child, th:last-child { text-align: right; }

code {
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: .35rem;
  padding: .1rem .35rem;
}

footer {
  color: var(--muted);
  padding: 0 2rem 2rem;
}

footer a { color: #9ecbff; }

@media (max-width: 1000px) {
  .grid, .sponsor-grid, .signup-grid, .analytics-grid { grid-template-columns: 1fr; }
  .weather-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar, .sponsor-intro, .checkout-row, .signup-callout { flex-direction: column; align-items: stretch; }
  .sponsor-layout { grid-template-columns: 1fr; }
  .signup-callout .button { text-align: center; }
}