/* ===========================
   cocotide — style.css
   =========================== */

:root {
  --bg: #080e1a;
  --bg2: #0e1828;
  --bg3: #162035;
  --border: rgba(255,255,255,0.07);
  --text: #dde8f5;
  --text2: #7a93b8;
  --text3: #3d5270;
  --accent: #38bdf8;
  --accent2: #0ea5e9;
  --wave: #1e88e5;
  --moon: #fbbf24;
  --high: #34d399;
  --low: #60a5fa;
  --sea: #0c4a6e;
  --card-radius: 14px;
  --font: 'Noto Sans JP', sans-serif;
}

body.light {
  --bg: #eef4fb;
  --bg2: #ffffff;
  --bg3: #dde8f5;
  --border: rgba(0,0,0,0.08);
  --text: #0f1e33;
  --text2: #3d5f80;
  --text3: #8aaac8;
  --accent: #0284c7;
  --accent2: #0369a1;
  --sea: #bfdbfe;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

a { color: inherit; text-decoration: none; }

/* ===== HEADER ===== */
header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 20px; height: 56px;
  display: flex; align-items: center; gap: 16px;
}
.logo {
  font-size: 1.25rem; font-weight: 700;
  letter-spacing: -0.03em; color: var(--accent); flex-shrink: 0;
}
.logo span { color: var(--text); }
nav { display: flex; gap: 4px; flex: 1; }
nav a {
  font-size: 0.8rem; color: var(--text2);
  padding: 6px 10px; border-radius: 8px;
  transition: background 0.2s, color 0.2s; white-space: nowrap;
}
nav a:hover { background: var(--bg3); color: var(--text); }
.header-controls { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.btn-icon {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text2); border-radius: 8px;
  padding: 6px 12px; font-size: 0.78rem; cursor: pointer;
  transition: all 0.2s; font-family: var(--font); white-space: nowrap;
}
.btn-icon:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ===== SEARCH ===== */
.search-wrap {
  max-width: 1100px; margin: 0 auto;
  padding: 20px 20px 0; display: flex; gap: 8px;
}
.search-wrap input {
  flex: 1; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px; font-size: 0.9rem;
  color: var(--text); font-family: var(--font);
  transition: border-color 0.2s; outline: none;
}
.search-wrap input::placeholder { color: var(--text3); }
.search-wrap input:focus { border-color: var(--accent); }
.search-wrap button {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 16px; font-size: 0.85rem;
  color: var(--text2); cursor: pointer; font-family: var(--font);
  transition: all 0.2s; white-space: nowrap;
}
.search-wrap button:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  max-width: 1100px; margin: 0 auto;
  padding: 14px 20px 0; font-size: 0.78rem; color: var(--text3);
}
.breadcrumb a { color: var(--text3); }
.breadcrumb a:hover { color: var(--accent); }

/* ===== CONTAINER ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.page-title { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.page-subtitle { font-size: 0.85rem; color: var(--text2); margin-bottom: 24px; }
.section-title {
  font-size: 0.72rem; font-weight: 700; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px;
}

/* ===== TIDE HERO ===== */
.tide-hero {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 28px;
  margin-bottom: 20px; display: grid;
  grid-template-columns: 1fr 1fr 1fr; gap: 24px;
}
@media (max-width: 700px) {
  .tide-hero { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .tide-hero { grid-template-columns: 1fr; }
}

.hero-block { display: flex; flex-direction: column; gap: 6px; }
.hero-label { font-size: 0.7rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.hero-value { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.hero-sub { font-size: 0.78rem; color: var(--text2); }
.hero-divider { width: 1px; background: var(--border); align-self: stretch; }

/* ===== MOON CARD ===== */
.moon-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 22px;
  margin-bottom: 20px; display: flex; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.moon-icon { font-size: 3.5rem; line-height: 1; flex-shrink: 0; }
.moon-info { flex: 1; min-width: 200px; }
.moon-name { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; color: var(--moon); }
.moon-age { font-size: 0.85rem; color: var(--text2); margin-bottom: 8px; }
.moon-tide-name {
  display: inline-block; padding: 4px 12px;
  border-radius: 20px; font-size: 0.82rem; font-weight: 700;
  background: var(--bg3); border: 1px solid var(--border);
}
.moon-details { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 12px; }
.moon-detail-item { display: flex; flex-direction: column; gap: 3px; }
.moon-detail-label { font-size: 0.68rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; }
.moon-detail-value { font-size: 0.92rem; font-weight: 700; }

/* ===== TIDE TABLE ===== */
.tide-table-wrap {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); overflow: hidden;
  margin-bottom: 20px;
}
.tide-table {
  width: 100%; border-collapse: collapse; font-size: 0.86rem;
}
.tide-table th {
  padding: 12px 16px; text-align: left;
  background: var(--bg3); color: var(--text3);
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
  font-weight: 700; border-bottom: 1px solid var(--border);
}
.tide-table td {
  padding: 13px 16px; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.tide-table tr:last-child td { border-bottom: none; }
.tide-table tr:hover td { background: var(--bg3); }

.tide-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 700;
}
.tide-badge.high { background: rgba(52,211,153,0.15); color: var(--high); border: 1px solid rgba(52,211,153,0.3); }
.tide-badge.low  { background: rgba(96,165,250,0.15); color: var(--low);  border: 1px solid rgba(96,165,250,0.3); }

/* ===== WAVE CARDS ===== */
.wave-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr));
  gap: 12px; margin-bottom: 20px;
}
.wave-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 18px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.wave-card-label { font-size: 0.72rem; color: var(--text2); font-weight: 500; }
.wave-card-value { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; color: var(--accent); }
.wave-card-unit { font-size: 0.7rem; color: var(--text3); }
.wave-card-bar-wrap { height: 4px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.wave-card-bar { height: 100%; border-radius: 2px; background: var(--accent); transition: width 1s ease; }

/* ===== HOURLY SCROLL ===== */
.hourly-scroll {
  overflow-x: auto; margin-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}
.hourly-scroll::-webkit-scrollbar { height: 4px; }
.hourly-scroll::-webkit-scrollbar-track { background: var(--bg3); border-radius: 2px; }
.hourly-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.hourly-table {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 16px; min-width: 680px;
}
.hourly-row {
  display: grid;
  grid-template-columns: 55px 80px 80px 80px 80px 70px;
  gap: 8px; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.82rem;
}
.hourly-row:last-child { border-bottom: none; }
.hourly-row.header {
  font-size: 0.68rem; color: var(--text3); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; padding-bottom: 10px;
}
.hourly-time { color: var(--text2); font-weight: 600; }
.wave-dir-arrow { display: inline-block; font-size: 1rem; }

/* ===== TIDE VISUAL (SVG graph) ===== */
.tide-graph-wrap {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 20px;
  margin-bottom: 20px; overflow: hidden;
}
#tide-svg { width: 100%; height: 160px; display: block; }

/* ===== CITY GRID ===== */
.region-section { margin-bottom: 32px; }
.region-title {
  font-size: 0.72rem; font-weight: 700; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 8px; }
.city-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 12px;
  display: flex; flex-direction: column; gap: 6px;
  transition: all 0.2s; cursor: pointer;
}
.city-card:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
.city-name { font-size: 0.9rem; font-weight: 700; }
.city-pref { font-size: 0.7rem; color: var(--text3); }
.city-wave-mini { font-size: 1.1rem; font-weight: 800; color: var(--accent); }
.city-sea-mini { font-size: 0.7rem; color: var(--text2); }
.city-tide-mini { font-size: 0.72rem; font-weight: 600; color: var(--moon); }

/* ===== INFO CARD ===== */
.info-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--card-radius); padding: 22px; margin-bottom: 16px;
}
.info-card h2 { font-size: 0.95rem; font-weight: 700; margin-bottom: 12px; }
.info-card p { font-size: 0.84rem; color: var(--text2); line-height: 1.7; }

/* ===== MAP ===== */
.map-embed { width: 100%; height: 300px; border-radius: var(--card-radius); border: 1px solid var(--border); overflow: hidden; }
.map-embed iframe { width: 100%; height: 100%; border: none; }

/* ===== LOADING ===== */
.loading-text { color: var(--text3); font-size: 0.85rem; padding: 20px 0; }
@keyframes pulse { 0%,100%{opacity:.4} 50%{opacity:1} }
.loading-text { animation: pulse 1.4s ease-in-out infinite; }

/* ===== FOOTER ===== */
footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 28px 20px; }
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-logo { font-size: 1rem; font-weight: 700; color: var(--accent); }
.footer-logo span { color: var(--text); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: 0.78rem; color: var(--text3); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.75rem; color: var(--text3); width: 100%; margin-top: 8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .page-title { font-size: 1.3rem; }
  .wave-grid { grid-template-columns: repeat(2,1fr); }
  .city-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}