:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.10);
  --muted: #c7d4ee;
  --text: #eef3ff;
  --accent: #4ea1ff;
  --line: rgba(255, 255, 255, 0.12);
  --pill: rgba(255, 255, 255, 0.10);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background:
    linear-gradient(
      rgba(7, 11, 20, 0.35),
      rgba(7, 11, 20, 0.58)
    ),
    url("/bg-ocean-sun-moon.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* Layout */
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
  position: relative;
}

.wrap::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 92px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.14),
    transparent
  );
  opacity: 0.6;
  pointer-events: none;
}

/* Header */
.top {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}

h1 {
  margin: 0 0 6px 0;
  font-size: 22px;
  letter-spacing: 0.2px;
  font-weight: 900;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 640px;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.10);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
}

/* Pills */
.pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.pill {
  padding: 8px 10px;
  background: var(--pill);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  backdrop-filter: blur(8px);
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  padding-top: 12px;
}

.card {
  grid-column: span 12;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

@media (min-width: 860px) {
  .grid .card:nth-child(1) {
    grid-column: span 6;
  }

  .grid .card:nth-child(2) {
    grid-column: span 6;
  }

  .grid .card:nth-child(3) {
    grid-column: span 12;
  }

  .grid .ad-card {
    grid-column: span 12;
  }
}

.card h2 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 900;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

/* Key/value blocks */
.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px 14px;
  align-items: center;
}

.kv .k {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kv .v {
  font-weight: 900;
  font-size: 18px;
  line-height: 1.3;
}

.muted {
  color: var(--muted);
}

@media (max-width: 520px) {
  .kv {
    grid-template-columns: 1fr;
  }

  .kv .v {
    font-size: 18px;
  }
}

/* Tides */
.card-wide {
  grid-column: span 12;
}

.tide-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tide-next .v {
  font-size: 22px;
  font-weight: 900;
  margin-top: 4px;
}

.tides {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(78, 161, 255, 0.18);
  border: 1px solid rgba(78, 161, 255, 0.30);
  font-size: 12px;
  font-weight: 900;
}

/* Empty state */
.empty {
  padding: 12px 14px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.12);
  color: var(--text);
}

/* Ad block */
.ad-card {
  grid-column: span 12;
}

.ad-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}

.ad-slot {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.15);
  color: var(--text);
  font-weight: 700;
}

.seo-links {
  margin-top: 14px;
}

.location-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.location-links a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s ease;
  backdrop-filter: blur(6px);
}

.location-links a:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

/* Footer */
.foot {
  text-align: center;
  margin-top: 16px;
  padding-bottom: 30px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Loading overlay */
.loading {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9999;
}

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.18);
  border-top-color: rgba(78, 161, 255, 0.95);
  animation: spin 1s linear infinite;
}

.spinner-text {
  font-size: 14px;
  color: var(--text);
  font-weight: 700;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}