/* ============================================================
   MOBILE BAY TIDES — style.css
   Fish-finder / sonar dark green theme
   ============================================================ */

:root {
  --bg:           #0d1410;
  --bg-card:      #131f18;
  --bg-card2:     #1a2a1f;
  --bg-chart:     #0a100c;

  --border:       #1e3024;
  --border-lit:   #2d4836;

  --green:        #3ddc84;   /* sonar phosphor */
  --green-dim:    #2a9c5c;
  --green-pale:   rgba(61,220,132,0.12);
  --amber:        #e8a33d;   /* low tide / current marker */
  --amber-dim:    rgba(232,163,61,0.15);

  --text:         #d8e8d4;
  --text-dim:     #6a8870;
  --text-muted:   #3a5040;

  --font-display: 'Oswald', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --font-body:    'Inter', sans-serif;

  --header-h:     52px;
  --controls-h:   56px;
  --radius:       8px;
  --radius-sm:    5px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: linear-gradient(135deg, #080e0a 0%, #101c14 100%);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left { display: flex; align-items: center; gap: 10px; }

.sonar-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  flex-shrink: 0;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}

.site-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  line-height: 1;
}
.site-title .accent { color: var(--green); }

.clock {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  letter-spacing: 0.05em;
}

/* ── Controls Bar ── */
.controls-bar {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  height: var(--controls-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: 90;
  display: flex;
  align-items: center;
}

.controls-inner {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.control-label {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.date-input,
.location-select {
  height: 32px;
  padding: 0 9px;
  background: var(--bg-card2);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
.date-input:focus,
.location-select:focus { border-color: var(--green); }
.location-select { font-family: var(--font-body); font-size: 12px; min-width: 130px; }

/* dark option styling */
.location-select option { background: #131f18; color: var(--text); }

.nav-btns { display: flex; gap: 5px; margin-left: auto; }

.nav-btn {
  height: 32px;
  padding: 0 12px;
  background: var(--bg-card2);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.15s;
}
.nav-btn:hover { border-color: var(--green); color: var(--green); }

.today-btn {
  font-size: 11px;
  letter-spacing: 0.07em;
  font-weight: 600;
  padding: 0 10px;
  background: var(--green-pale);
  border-color: var(--green-dim);
  color: var(--green);
}
.today-btn:hover { background: rgba(61,220,132,0.2); }

/* ── Main Content ── */
.main-content {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--controls-h) + 14px) 13px 30px;
}

/* ── Tide Card ── */
.tide-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 14px;
}

.card-header {
  padding: 10px 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.card-updated {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

/* ── Status Row ── */
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px 10px;
}

.status-direction {
  display: flex;
  align-items: center;
  gap: 8px;
}

.direction-arrow {
  font-size: 20px;
  color: var(--amber);
  line-height: 1;
}

.direction-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.status-height {
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.height-val {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -1px;
}

.height-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Wave Chart ── */
.wave-chart-wrap {
  position: relative;
  margin: 0 10px 0;
  background: var(--bg-chart);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  /* scanline overlay */
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0,0,0,0) 0px, rgba(0,0,0,0) 3px,
      rgba(0,0,0,0.06) 3px, rgba(0,0,0,0.06) 4px
    );
}

#tide-canvas {
  display: block;
  width: 100%;
  height: 200px;
}

.chart-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--bg-chart);
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: opacity 0.3s;
}
.chart-loading.hidden { opacity: 0; pointer-events: none; }

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-lit);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tide Events List ── */
.tide-events {
  padding: 10px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.tide-event {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s;
}
.tide-event:hover { border-color: var(--border-lit); }

.event-type-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  padding: 2px 8px;
  border-radius: 3px;
  flex-shrink: 0;
  min-width: 44px;
  text-align: center;
}
.event-type-badge.high {
  background: rgba(61,220,132,0.15);
  color: var(--green);
  border: 1px solid rgba(61,220,132,0.3);
}
.event-type-badge.low {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(232,163,61,0.3);
}

.event-when {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  flex: 1;
}

.event-height-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
}
.event-height-val.high { color: var(--green); }
.event-height-val.low  { color: var(--amber); }

/* ── Week Strip ── */
.week-section { margin-bottom: 14px; }

.section-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 7px;
  padding-left: 2px;
}

.week-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.week-day {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 4px 6px;
  text-align: center;
  cursor: pointer;
  transition: all 0.12s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-height: 64px;
}
.week-day:hover { border-color: var(--green-dim); background: var(--bg-card2); }
.week-day.active {
  border-color: var(--green);
  background: var(--green-pale);
}

.wd-name {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.week-day.active .wd-name { color: var(--green); }

.wd-num {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
}
.week-day.active .wd-num { color: var(--green); }

.wd-tides {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

/* ── Month Calendar ── */
.month-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 14px;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.month-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--green);
}

.month-nav-btn {
  width: 28px;
  height: 28px;
  background: var(--bg-card2);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s;
}
.month-nav-btn:hover { border-color: var(--green); color: var(--green); }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.cal-dow {
  text-align: center;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 3px 0 5px;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.1s;
}
.cal-day:hover { background: var(--bg-card2); color: var(--text); }
.cal-day.other-month { color: var(--text-muted); opacity: 0.35; pointer-events: none; }
.cal-day.has-data { color: var(--text); }
.cal-day.today {
  border: 1px solid var(--green-dim);
  color: var(--green);
  font-weight: 700;
}
.cal-day.active {
  background: var(--green);
  color: var(--bg);
  font-weight: 700;
}
.cal-day.active.today { border-color: var(--bg); }

/* ── Info Card ── */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.info-title {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.adjust-grid { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }

.adj-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 10px;
  background: var(--bg-card2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.adj-loc {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.adj-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.info-note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Error state ── */
.error-msg {
  padding: 24px;
  text-align: center;
  color: var(--amber);
  font-size: 13px;
  line-height: 1.6;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .controls-inner { gap: 7px; }
  .date-input { font-size: 12px; }
  .location-select { min-width: 110px; font-size: 11px; }
  #tide-canvas { height: 160px; }
  .wd-tides { display: none; }
  .week-day { min-height: 52px; }
}