@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Surfaces */
  --bg:        #0e1c2b;
  --surface:   #14283d;
  --surface-2: #1a3047;
  --surface-3: #213850;
  --line:      rgba(255, 255, 255, 0.09);
  --line-2:    rgba(255, 255, 255, 0.05);

  /* Ink */
  --ink:   #e7eef6;
  --ink-2: #9fb2c6;
  --ink-3: #6f879e;

  /* Coastal teal accent (interactive / selected only) */
  --accent:      #48b7cf;
  --accent-2:    #d6a32b;
  --accent-soft: rgba(72, 183, 207, 0.16);
  --accent-warm: rgba(214, 163, 43, 0.18);

  /* Flag palette — flat, refined */
  --f-green:      #36a06b;
  --f-yellow:     #d6a32b;
  --f-red:        #d6504e;
  --f-double-red: #a8322f;
  --f-purple:     #8d6fd1;
  --f-none:       #6f879e;

  --radius: 10px;
  --transition: 0.18s ease;
}

/* ============================================================
   Base
   ============================================================ */
* { box-sizing: border-box; }

html {
  background: var(--bg);
  min-height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.08) 0, rgba(72, 183, 207, 0) 240px),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  margin: 0;
  padding: 0 clamp(1rem, 3vw, 2.5rem) 3rem;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  display: block;
  height: 5px;
  margin: 0 calc(clamp(1rem, 3vw, 2.5rem) * -1);
  background: linear-gradient(90deg, var(--f-green), var(--f-yellow), var(--f-red), var(--f-purple), var(--accent));
}

.mono,
.calendar-day-number,
#currentPage,
td {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #6fc0d8; }

h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.15rem;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  letter-spacing: 0;
  margin: 2rem 0 1rem;
  color: var(--ink);
}

h2::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent) 0 50%, var(--f-yellow) 50%);
  flex: 0 0 auto;
}

h3 {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 600;
  color: var(--ink);
}

/* Remove old decorative waves entirely */
.wave-decoration { display: none !important; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  text-align: left;
  margin-bottom: 0.9rem;
  padding-top: 1.5rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.brand-mark {
  width: clamp(58px, 7vw, 74px);
  aspect-ratio: 1;
  flex: 0 0 auto;
  overflow: visible;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.22));
}

.brand-mark-bg {
  fill: url("#brandMarkBg");
  stroke: rgba(72, 183, 207, 0.36);
  stroke-width: 1.5;
}

.brand-wave {
  fill: none;
  stroke-linecap: round;
  stroke-width: 4;
}

.wave-back { stroke: rgba(72, 183, 207, 0.55); }
.wave-front { stroke: var(--accent); }

.brand-pole {
  fill: none;
  stroke: rgba(231, 238, 246, 0.9);
  stroke-linecap: round;
  stroke-width: 3.5;
}

.brand-flag {
  stroke: rgba(255, 255, 255, 0.16);
  stroke-linejoin: round;
  stroke-width: 1.25;
}

.flag-yellow { fill: var(--f-yellow); }
.flag-red { fill: var(--f-red); }

.brand-copy {
  min-width: 0;
}

.brand-kicker {
  margin: 0 0 0.1rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.1;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  letter-spacing: 0;
  text-align: left;
  margin: 0 0 0.2rem;
  color: var(--ink);
  line-height: 1.05;
}

h1 span {
  color: #ffffff;
}

.site-subtitle {
  text-align: left;
  font-size: 0.86rem;
  color: var(--ink-2);
  margin: 0;
  letter-spacing: 0;
  line-height: 1.35;
}

/* ============================================================
   Main layout
   ============================================================ */
.container {
  position: relative;
  width: min(100%, 1320px);
  margin: 0 auto;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* ============================================================
   Current Flag — hero (Direction C: color field + condition)
   ============================================================ */
.current-flag-box {
  margin: 0 0 1.25rem;
  overflow: visible;
  border-radius: 0;
}

.current-flag-condition {
  --fc: var(--accent);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 36%);
  align-items: center;
  gap: 1.25rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 400;
  min-height: 128px;
  margin: 0;
  padding: 1.5rem 1.5rem 1.5rem 10.5rem;     /* clears the 8.5rem color field */
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  text-shadow: none;
  animation: none;                            /* kill the old pulse */
  background:
    linear-gradient(var(--fc), var(--fc)) left center / 8.5rem 100% no-repeat,
    var(--surface);
}

.current-flag-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.45rem;
  min-width: 0;
}

.current-flag-condition.green-flag       { --fc: var(--f-green); }
.current-flag-condition.no-flag          { --fc: var(--f-none); }
.current-flag-condition.yellow-flag      { --fc: var(--f-yellow); }
.current-flag-condition.red-flag         { --fc: var(--f-red); }
.current-flag-condition.double-red-flag  { --fc: var(--f-double-red); }
.current-flag-condition.purple-flag      { --fc: var(--f-purple); }

.current-flag-condition.red-over-purple-flag {
  background:
    linear-gradient(135deg, var(--f-red) 0 50%, var(--f-purple) 50%) left center / 8.5rem 100% no-repeat,
    var(--surface);
}
.current-flag-condition.yellow-over-purple-flag {
  background:
    linear-gradient(135deg, var(--f-yellow) 0 50%, var(--f-purple) 50%) left center / 8.5rem 100% no-repeat,
    var(--surface);
}

.flag-label {
  display: block;
  order: -1;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  opacity: 1;
  margin: 0;
}

.flag-value {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: capitalize;
  color: var(--ink);
  margin: 0;
  text-shadow: none;
}

/* Hazard description + stat row (populated by app.js) */
.flag-desc {
  display: block;
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 46ch;
  margin: 0.15rem 0 0;
  text-transform: none;
  text-shadow: none;
}
.flag-desc:empty { display: none; }

.flag-stats {
  display: inline-grid;
  grid-template-columns: repeat(2, max-content);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 1rem;
  width: max-content;
}
.flag-stats:empty { display: none; }

.flag-stat {
  background: var(--surface-2);
  padding: 0.6rem 1.4rem 0.6rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.flag-stat-k {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.flag-stat-v {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.current-conditions-panel {
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.06), rgba(72, 183, 207, 0)),
    rgba(10, 28, 43, 0.35);
  border: 1px solid rgba(72, 183, 207, 0.14);
  border-radius: 8px;
  padding: 0.9rem;
  min-width: 0;
}

.conditions-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.conditions-header span,
.current-meaning strong {
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.conditions-header small {
  color: var(--ink-3);
  font-size: 0.72rem;
  white-space: nowrap;
}

.conditions-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
}

.condition-metric {
  min-width: 0;
  padding: 0.65rem 0.7rem;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 7px;
}

.condition-metric span {
  display: block;
  color: var(--ink-3);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.2;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.condition-metric strong {
  display: block;
  color: var(--ink);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.current-meaning {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-2);
  color: var(--ink-2);
  font-size: 0.82rem;
  line-height: 1.45;
}

.current-meaning strong {
  display: block;
  margin-bottom: 0.25rem;
}

/* ============================================================
   Summary metrics
   ============================================================ */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.summary-grid:empty { display: none; }

.summary-card {
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.07), rgba(72, 183, 207, 0)),
    var(--surface-2);
  border: 1px solid rgba(72, 183, 207, 0.12);
  border-top: 3px solid var(--accent);
  border-radius: 8px;
  padding: 0.85rem 0.95rem;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.35rem;
}

.summary-card:nth-child(2n) { border-top-color: var(--f-yellow); }
.summary-card:nth-child(3n) { border-top-color: var(--f-red); }
.summary-card:nth-child(4n) { border-top-color: var(--f-purple); }

.summary-k {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.summary-v {
  display: block;
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1.2;
  font-weight: 600;
}

.summary-d {
  color: var(--ink-3);
  font-size: 0.78rem;
  line-height: 1.35;
}

.site-menu {
  position: sticky;
  top: 0.6rem;
  z-index: 40;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.2rem;
  width: fit-content;
  max-width: 100%;
  margin: -4.65rem 0 2.65rem auto;
  padding: 0.18rem;
  background: rgba(10, 28, 43, 0.45);
  border: 1px solid rgba(72, 183, 207, 0.14);
  border-radius: 999px;
  box-shadow: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.site-menu.is-stuck {
  background: rgba(8, 22, 34, 0.86);
  border-color: rgba(72, 183, 207, 0.32);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.03);
  animation: stickyMenuSettle 0.28s ease both;
}

.site-menu-button {
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--transition);
  min-width: 0;
  box-shadow: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
  min-height: 34px;
  min-width: 86px;
}

.site-menu-button:hover {
  background: rgba(72, 183, 207, 0.09);
  border-color: rgba(72, 183, 207, 0.2);
  color: var(--ink);
  transform: none;
  box-shadow: none;
}

.site-menu-button.active {
  background: linear-gradient(135deg, var(--accent), #6fc0d8);
  border-color: rgba(111, 192, 216, 0.8);
  color: #061721;
  font-weight: 800;
  box-shadow: none;
}
.site-menu-button.active::after { display: none; }

.tab-content-container { position: relative; min-height: 200px; }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.25s ease both; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@keyframes stickyMenuSettle {
  0% {
    transform: translateY(-0.4rem) scale(0.98);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

/* ============================================================
   Buttons — flat teal
   ============================================================ */

button {
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--accent);
  color: #07151f;
  border: 1px solid var(--accent);
  padding: 0.55rem 1.25rem;
  border-radius: 7px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: none;
  letter-spacing: 0;
  white-space: nowrap;
}

button:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: none;
  box-shadow: none;
}

button:active { transform: translateY(1px); }

button:disabled {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-3);
  opacity: 1;
  cursor: not-allowed;
}

/* ============================================================
   Calendar
   ============================================================ */
.calendar-container {
  background:
    linear-gradient(180deg, rgba(214, 163, 43, 0.045), rgba(214, 163, 43, 0)),
    var(--surface);
  border: 1px solid rgba(214, 163, 43, 0.13);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 0.9rem 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.calendar-inner {
  width: 100%;
  margin: 0 auto;
}

.calendar-header {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  column-gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.65rem;
  padding: 0;
}

.calendar-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0;
  color: var(--ink);
  white-space: nowrap;
  text-align: center;
}

.calendar-nav-btn {
  background: transparent;
  border: 1px solid rgba(72, 183, 207, 0.18);
  color: var(--ink-2);
  width: 32px;
  height: 32px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.calendar-nav-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--ink);
  transform: none;
  box-shadow: none;
}
.calendar-nav-btn:active { transform: scale(0.96); }
.nav-icon { font-size: 1.05rem; line-height: 1; }

.calendar-description {
  text-align: left;
  color: var(--ink-3);
  opacity: 1;
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  line-height: 1.4;
  font-weight: 400;
}
.calendar-description a { color: var(--accent); }
.calendar-description a:hover { color: #6fc0d8; text-decoration: underline; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  width: 100%;
  margin: 0;
}

.calendar-day-header {
  text-align: center;
  font-weight: 600;
  padding: 0.25rem;
  color: var(--ink-3);
  opacity: 1;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --- Cell base --- */
.calendar-day {
  background: var(--surface-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 7px;
  padding: 0.45rem;
  min-height: 0;
  height: 78px;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: outline-color var(--transition), filter var(--transition);
  animation: none;
  color: var(--ink);
  width: 100%;
  min-width: 0;
  align-items: stretch;
  text-align: left;
  white-space: normal;
}

.calendar-day-number {
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--ink-3);
}

.calendar-day.has-flags { border-color: rgba(0, 0, 0, 0.22); }
.calendar-day.has-flags .calendar-day-number {
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.calendar-day.green-flag  { background: var(--f-green); }
.calendar-day.no-flag     { background: var(--f-none); }
.calendar-day.yellow-flag { background: var(--f-yellow); }
.calendar-day.purple-flag { background: var(--f-purple); }
.calendar-day.red-flag    { background: var(--f-red); }
.calendar-day.red-over-purple-flag {
  background: linear-gradient(135deg, var(--f-red) 0 50%, var(--f-purple) 50%);
}
.calendar-day.yellow-over-purple-flag {
  background: linear-gradient(135deg, var(--f-yellow) 0 50%, var(--f-purple) 50%);
}
.calendar-day.double-red-flag { background: var(--f-double-red); }

.calendar-day-meta {
  margin-top: auto;
  display: block;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.6rem;
  line-height: 1.2;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-day:hover { filter: brightness(1.08); }

.calendar-day.selected {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

.calendar-day.empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
}
.calendar-day.empty:hover { filter: none; }

/* count badge (rare: >15 flags/day) */
.count-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 0.6rem;
  font-family: "JetBrains Mono", monospace;
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   Date Picker
   ============================================================ */
.date-picker-container {
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.04), rgba(72, 183, 207, 0)),
    var(--surface);
  border: 1px solid rgba(72, 183, 207, 0.14);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: none;
  margin-top: 1rem;
  scroll-margin-top: 5rem;
}

.date-picker-container h2 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  color: var(--ink);
}
.date-picker-container h3 {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 400;
  opacity: 1;
  color: var(--ink-3);
}

.date-picker-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.date-picker-container input[type="date"] {
  flex: 1;
  min-width: 200px;
  height: 40px;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(72, 183, 207, 0.18);
  border-radius: 7px;
  background-color: var(--surface-3);
  color: var(--ink);
  color-scheme: dark;
  font: inherit;
  font-size: 0.9rem;
}

.date-picker-container input[type="date"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.date-picker-container button { height: 40px; min-width: 120px; }
.date-picker-container button:hover { transform: none; box-shadow: none; }

.flags-by-day-container {
  margin-top: 1.5rem;
}

/* ============================================================
   Flags-by-day list — flat row with leading swatch
   ============================================================ */
.flags-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.flag-entry {
  --fc: var(--accent);
  --flag-swatch: var(--fc);
  padding: 0.7rem 1rem 0.7rem 2.4rem;
  border-bottom: 1px solid var(--line-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  background: transparent;
  transition: background var(--transition);
}
.flag-entry::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  transform: translateY(-50%);
  background: var(--flag-swatch);
}
.flag-entry:last-child { border-bottom: none; }
.flag-entry:hover { background: rgba(255, 255, 255, 0.03); transform: none; filter: none; }

.flag-entry[data-flag-type="Green Flag"]              { --fc: var(--f-green); }
.flag-entry[data-flag-type="No Flag"]                 { --fc: var(--f-none); }
.flag-entry[data-flag-type="Yellow Flag"]             { --fc: var(--f-yellow); }
.flag-entry[data-flag-type="Red Flag"]                { --fc: var(--f-red); }
.flag-entry[data-flag-type="Double Red Flag"]         { --fc: var(--f-double-red); }
.flag-entry[data-flag-type="Purple Flag"]             { --fc: var(--f-purple); }
.flag-entry[data-flag-type="Red Over Purple Flag"]    { --flag-swatch: linear-gradient(135deg, var(--f-red) 0 50%, var(--f-purple) 50%); }
.flag-entry[data-flag-type="Yellow Over Purple Flag"] { --flag-swatch: linear-gradient(135deg, var(--f-yellow) 0 50%, var(--f-purple) 50%); }

.flag-entry strong { color: var(--ink); font-size: 0.95rem; font-weight: 600; white-space: nowrap; }
.flag-entry em { color: var(--ink-3); font-style: normal; font-size: 0.82rem; font-family: "JetBrains Mono", monospace; white-space: nowrap; }

.no-data {
  padding: 1.25rem;
  text-align: center;
  color: var(--ink-3);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* ============================================================
   Weather Chart
   ============================================================ */
.weather-chart-container {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background:
    linear-gradient(180deg, rgba(141, 111, 209, 0.055), rgba(141, 111, 209, 0)),
    var(--surface);
  border: 1px solid rgba(141, 111, 209, 0.16);
  border-radius: var(--radius);
}
.weather-chart-container h3 { margin: 0 0 0.5rem; font-size: 1rem; color: var(--ink); }
.chart-instructions { font-size: 0.8rem; color: var(--ink-3); margin: 0 0 0.5rem; }
.weather-chart {
  height: 380px;
  margin-top: 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 1rem;
}

/* ============================================================
   Distribution charts
   ============================================================ */
.chart-panel {
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.045), rgba(72, 183, 207, 0)),
    var(--surface);
  border: 1px solid rgba(72, 183, 207, 0.14);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin: 0.9rem 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: border-color var(--transition);
}
.chart-panel:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(72, 183, 207, 0.28);
}

.chart-panel:nth-of-type(2n) {
  border-top-color: var(--f-yellow);
}

.chart-panel-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.chart-panel-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.chart-panel-header p {
  font-size: 0.78rem;
  color: var(--ink-3);
  margin: 0;
  max-width: 34ch;
  line-height: 1.4;
}

.chart {
  height: 260px;
  position: relative;
}

.chart-wide {
  height: 360px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 1rem;
}

.pattern-heatmap {
  display: grid;
  grid-template-columns: minmax(44px, 0.65fr) repeat(6, minmax(54px, 1fr));
  gap: 6px;
  overflow-x: auto;
  padding: 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
}

.heatmap-axis {
  color: var(--ink-3);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
}

.heatmap-day {
  justify-content: flex-start;
  padding-left: 0.2rem;
}

.heatmap-cell {
  min-width: 54px;
  min-height: 44px;
  padding: 0.35rem;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.94);
  background: var(--surface-3);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  transition: filter var(--transition), outline-color var(--transition), transform var(--transition);
}

.heatmap-cell:not(.empty):hover {
  filter: brightness(1.12);
}

.heatmap-cell.selected {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.heatmap-cell.empty {
  color: var(--ink-3);
  background: rgba(255, 255, 255, 0.025);
  cursor: default;
}

.heatmap-cell.level-0,
.heatmap-cell.level-1 { background: var(--f-green); }
.heatmap-cell.level-2 { background: var(--f-yellow); color: #16202b; }
.heatmap-cell.level-3,
.heatmap-cell.level-4 { background: var(--f-purple); }
.heatmap-cell.level-5 { background: var(--f-red); }
.heatmap-cell.level-6,
.heatmap-cell.level-7 { background: var(--f-double-red); }

.pattern-detail {
  margin-top: 0.75rem;
}

.pattern-detail:empty { display: none; }

/* ============================================================
   Raw Data Table
   ============================================================ */
.raw-data-section {
  margin-top: 1.25rem;
  border: 1px solid rgba(72, 183, 207, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(72, 183, 207, 0.035), rgba(72, 183, 207, 0)),
    var(--surface);
  overflow: hidden;
}

.raw-data-section summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.raw-data-section summary::-webkit-details-marker { display: none; }

.raw-data-section summary::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: rgba(72, 183, 207, 0.12);
  color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 700;
}

.raw-data-section[open] summary::after {
  content: "-";
}

.raw-data-section summary span {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.raw-data-section summary small {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 0.78rem;
}

.table-container {
  margin-top: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
}

table {
  width: 100%;
  border-spacing: 0;
  background: var(--surface);
  color: var(--ink);
}

th, td { padding: 0.8rem 1rem; text-align: left; }

th {
  background: var(--surface-2);
  letter-spacing: 0.04em;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--ink-3);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

td { font-size: 0.85rem; color: var(--ink-2); }

tr:not(:last-child) td { border-bottom: 1px solid var(--line-2); }
tr:hover td { background: rgba(255, 255, 255, 0.03); }

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.pagination button { padding: 0.5rem 1rem; min-width: 2.5rem; }
#currentPage { font-size: 0.85rem; color: var(--ink-3); }

/* ============================================================
   About
   ============================================================ */
#aboutSection h2 { margin: 0 0 1.25rem; }
#aboutSection p { margin: 0 0 1rem; line-height: 1.7; color: var(--ink-2); }
#aboutSection p strong { color: var(--ink); }
#aboutSection ul { list-style: none; padding: 0; margin: 0; }
#aboutSection li {
  --about-flag-color: var(--accent);
  --about-flag-swatch: var(--about-flag-color);
  margin-bottom: 0.5rem;
  padding: 0.75rem 0.9rem 0.75rem 2.6rem;
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-left: 4px solid var(--about-flag-color);
  border-radius: 7px;
  color: var(--ink-2);
  transition: background var(--transition);
}
#aboutSection li:hover { background: rgba(255, 255, 255, 0.03); transform: none; }
#aboutSection li::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 50%;
  width: 13px;
  height: 13px;
  border-radius: 3px;
  transform: translateY(-50%);
  background: var(--about-flag-swatch);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
}
#aboutSection li strong { color: var(--ink); }
#aboutSection li.no-flag { --about-flag-color: var(--f-none); }
#aboutSection li.green-flag { --about-flag-color: var(--f-green); }
#aboutSection li.yellow-flag { --about-flag-color: var(--f-yellow); }
#aboutSection li.red-flag { --about-flag-color: var(--f-red); }
#aboutSection li.double-red-flag { --about-flag-color: var(--f-double-red); }
#aboutSection li.purple-flag { --about-flag-color: var(--f-purple); }
#aboutSection li.yellow-over-purple-flag {
  --about-flag-color: var(--f-yellow);
  --about-flag-swatch: linear-gradient(135deg, var(--f-yellow) 0 50%, var(--f-purple) 50%);
}
#aboutSection li.red-over-purple-flag {
  --about-flag-color: var(--f-red);
  --about-flag-swatch: linear-gradient(135deg, var(--f-red) 0 50%, var(--f-purple) 50%);
}

/* ============================================================
   Feedback states
   ============================================================ */
.loading {
  text-align: center;
  margin: 1.5rem 0;
  font-weight: 500;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}
.loading::after {
  content: '';
  width: 15px;
  height: 15px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error {
  color: #e98a93;
  padding: 0.9rem 1rem;
  background: rgba(214, 80, 78, 0.1);
  border: 1px solid rgba(214, 80, 78, 0.3);
  border-left: 3px solid var(--f-red);
  border-radius: 8px;
  margin: 1.25rem 0;
}

.hidden { display: none !important; }

/* ============================================================
   Footer
   ============================================================ */
footer {
  text-align: center;
  padding: 2rem 0 0.5rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 0.82rem;
  background: transparent;
}
footer a { color: var(--accent); }
footer a:hover { color: #6fc0d8; }

body > .raw-data-section,
body > footer {
  width: min(100%, 1320px);
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  body { padding: 0 1rem 2rem; }
  body::before { margin: 0 -1rem; }
  .container { padding: 0; }

  .site-header { align-items: flex-start; flex-direction: column; gap: 0.9rem; }
  .brand-lockup { align-items: flex-start; gap: 0.8rem; }
  .brand-mark { width: 54px; }
  .brand-kicker { font-size: 0.65rem; }
  h1 { font-size: 1.35rem; line-height: 1.12; }
  h2 { font-size: 1.05rem; }

  .current-flag-condition {
    grid-template-columns: 1fr;
    gap: 1rem;
    min-height: 0;
    padding: 1.1rem 1.1rem 1.1rem 1.1rem;
    background:
      linear-gradient(var(--fc), var(--fc)) left top / 100% 6px no-repeat,
      var(--surface);
    padding-top: 1.4rem;
  }
  .current-flag-condition.red-over-purple-flag {
    background:
      linear-gradient(90deg, var(--f-red) 0 50%, var(--f-purple) 50%) left top / 100% 6px no-repeat,
      var(--surface);
    padding-top: 1.4rem;
  }
  .current-flag-condition.yellow-over-purple-flag {
    background:
      linear-gradient(90deg, var(--f-yellow) 0 50%, var(--f-purple) 50%) left top / 100% 6px no-repeat,
      var(--surface);
    padding-top: 1.4rem;
  }
  .flag-value { font-size: 1.6rem; }
  .current-conditions-panel { padding: 0.8rem; }
  .conditions-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .site-menu {
    top: 0.45rem;
    width: 100%;
    justify-content: stretch;
    margin-top: 0;
    margin-bottom: 1rem;
    margin-right: 0;
    margin-left: 0;
  }
  .site-menu-button { flex: 1 1 0; min-width: 0; text-align: center; }

  button { min-height: 44px; }
  .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 560px; }

  .chart-panel-header { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
  .chart-panel {
    padding: 0.9rem;
  }

  .chart-wide,
  .weather-chart { height: 360px; }

  .chart-wide {
    padding: 0.45rem;
  }

  .weather-chart-container {
    padding: 0.9rem;
  }

  .weather-chart-container .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chart-instructions {
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .weather-chart {
    padding: 0.45rem;
    margin-top: 0.65rem;
  }

  .calendar-container { padding: 0.9rem; }
  .calendar-inner { width: 100%; }
  .calendar-header {
    grid-template-columns: 34px 1fr 34px;
    column-gap: 0.5rem;
  }
  .calendar-description { font-size: 0.78rem; }
  .calendar-day { height: auto; min-height: 40px; padding: 0.28rem; aspect-ratio: 1 / 1; }
  .calendar-day-number { font-size: 0.68rem; }
  .calendar-day-meta { font-size: 0.54rem; }

  .date-picker-controls { flex-direction: column; }
  .date-picker-container input[type="date"],
  .date-picker-container button { width: 100%; }
}

@media (max-width: 480px) {
  body { padding: 0 0.75rem 2rem; }
  body::before { margin: 0 -0.75rem; }
  .container { padding: 0; }
  .flag-value { font-size: 1.4rem; }
  .conditions-header { flex-direction: column; gap: 0.15rem; }
  .condition-metric { padding: 0.55rem 0.6rem; }
  .site-menu { gap: 0.16rem; padding: 0.16rem; }
  .site-menu-button { width: auto; padding-inline: 0.45rem; }
  .chart-panel { padding: 0.75rem; }
  .chart-wide { height: 380px; padding: 0.35rem; }
  .weather-chart-container { padding: 0.75rem; }
  .weather-chart { height: 380px; padding: 0.35rem; }
  .calendar-grid { gap: 4px; }
  .calendar-container { padding: 0.75rem; }
  .calendar-title { font-size: 0.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}