:root {
  --ocean-deep:    #0a1628;
  --ocean-mid:     #0d2444;
  --ocean-blue:    #1a4a7a;
  --ocean-light:   #2d7dd2;
  --foam:          #a8d8ea;
  --white:         #ffffff;
  --text-dim:      rgba(255,255,255,0.45);
  --text-mid:      rgba(255,255,255,0.75);
  --high-color:    #38bdf8;
  --low-color:     #fb923c;
  --rising-color:  #38bdf8;
  --falling-color: #fb923c;
  --font:      'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius:    16px;
  --radius-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--ocean-deep);
  color: var(--white);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
input, textarea, [contenteditable] {
  -webkit-user-select: text;
  user-select: text;
}

/* ══════════════════════════════════
   DYNAMIC BACKGROUND
══════════════════════════════════ */
.bg-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #0a1628 0%, #0d2444 40%, #0d3060 100%);
  transition: background 4s ease;
}

body.is-day .bg-sky {
  background: linear-gradient(180deg, #0a1628 0%, #0d2240 40%, #0f2e55 100%);
}
body.is-golden .bg-sky {
  background: linear-gradient(180deg, #0a1020 0%, #101520 40%, #0a1628 100%);
}
body.is-night .bg-sky {
  background: linear-gradient(180deg, #020408 0%, #060c1a 40%, #0a1628 100%);
}


/* Particle canvas (stars / particles) */
.bg-particles {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 3s ease;
}
body.is-night .bg-particles { opacity: 1; }
body.is-golden .bg-particles { opacity: 0.2; }

/* Clouds */
.bg-clouds {
  position: absolute;
  inset: 0;
}
.bg-cloud-puff {
  position: absolute;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  filter: blur(8px);
  animation: cloudDrift linear infinite;
}
@keyframes cloudDrift {
  from { transform: translateX(-120%); }
  to   { transform: translateX(120vw); }
}

/* ══════════════════════════════════
   LAYOUT
══════════════════════════════════ */
.app {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
  padding: env(safe-area-inset-top, 16px) 20px calc(env(safe-area-inset-bottom, 16px) + 24px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ══════════════════════════════════
   HEADER
══════════════════════════════════ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: rgba(6,14,32,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin: 0 -20px;
  padding: 10px 20px;
}

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

.settings-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.65);
  transition: background 150ms, color 150ms;
}
.settings-btn svg { width: 18px; height: 18px; }
.settings-btn:hover { background: rgba(255,255,255,0.14); color: var(--white); }

.header__center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.header__sky-icon {
  font-size: 2rem;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(255,220,80,0.45));
  transition: filter 4s ease;
}
body.is-night .header__sky-icon { filter: drop-shadow(0 0 10px rgba(180,210,255,0.4)); }

.header__title {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.header__location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 2px;
}

.header__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rising-color);
  box-shadow: 0 0 8px var(--rising-color);
  flex-shrink: 0;
}

.header__live {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.header__temp-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.header__temp-row {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.header__temp {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
}

.header__temp-label {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 2px;
}

.header__temp-range {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.header__clock {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ══════════════════════════════════
   DAY PILLS
══════════════════════════════════ */
.day-pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.day-pills::-webkit-scrollbar { display: none; }

.day-pill {
  flex-shrink: 0;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  color: var(--text-mid);
  padding: 5px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms, color 150ms, border-color 150ms;
  white-space: nowrap;
  font-family: var(--font);
}
.day-pill:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.day-pill.is-active {
  background: rgba(56,189,248,0.18);
  border-color: rgba(56,189,248,0.45);
  color: var(--rising-color);
}

/* ══════════════════════════════════
   DATE NAV
══════════════════════════════════ */
.date-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(10,22,48,0.55);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 10px 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 300ms, box-shadow 300ms;
}
.date-nav.is-today {
  border-color: rgba(56,189,248,0.6);
  box-shadow: 0 0 0 1px rgba(56,189,248,0.15), inset 0 0 16px rgba(56,189,248,0.04);
}

.date-nav__label {
  flex: 1;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 150ms;
  font-family: var(--font);
  line-height: 1.25;
}
.date-nav__label:hover { background: rgba(255,255,255,0.08); }
.date-sub {
  display: block;
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0;
}

.btn-nav {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  border-radius: var(--radius-sm);
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 150ms;
  flex-shrink: 0;
}
.btn-nav:hover { background: rgba(255,255,255,0.18); }

/* ══════════════════════════════════
   SECTIONS CONTAINER + EDIT
══════════════════════════════════ */
#sections-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-wrap { position: relative; }

.section-wrap.is-dragging { opacity: 0.4; transform: scale(0.98); }
.section-wrap.is-long-press { transform: scale(0.99); transition: transform 200ms; }
.section-wrap.drag-over {
  outline: 2px dashed rgba(56,189,248,0.5);
  outline-offset: 4px;
  border-radius: var(--radius);
}

/* Hidden sections */
.section-wrap.is-hidden { display: none; }

/* ══════════════════════════════════
   LOADING / ERROR
══════════════════════════════════ */
#loading {
  display: none;
  text-align: center;
  padding: 26px;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.spinner {
  width: 24px; height: 24px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--rising-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

#error-msg {
  display: none;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.28);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.85rem;
  color: #fca5a5;
}

/* ══════════════════════════════════
   STATUS CARD
══════════════════════════════════ */
.status-card {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: border-color 600ms;
}
.status-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--ocean-light), var(--foam));
  transition: background 600ms;
}
.status-card.rising  { border-color: rgba(56,189,248,0.3); }
.status-card.falling { border-color: rgba(251,146,60,0.3); }
.status-card.rising::before  { background: linear-gradient(90deg, #38bdf8, #bae6fd); }
.status-card.falling::before { background: linear-gradient(90deg, #fb923c, #fed7aa); }

.status-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.status-label {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.status-arrow {
  font-size: 1.4rem;
  margin-left: 8px;
  transition: color 600ms;
}
.status-card.rising  .status-arrow { color: var(--rising-color); }
.status-card.falling .status-arrow { color: var(--falling-color); }

.status-subtext {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.uv-low     { color: #4ade80; }
.uv-moderate { color: #facc15; }
.uv-high    { color: #fb923c; }
.uv-vhigh   { color: #f87171; }
.uv-extreme { color: #c084fc; }

/* ── STATUS BOTTOM ── */
.status-bottom {
  display: flex;
  gap: 12px;
  align-items: stretch;
  min-height: 96px;
}
.wave-meter-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.wave-meter {
  width: 38px;
  flex: 1;
  min-height: 60px;
  position: relative;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
}
.wave-fill {
  --fill: 50%;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: var(--fill);
  background: linear-gradient(180deg, rgba(56,189,248,0.35) 0%, rgba(29,78,216,0.55) 100%);
  transition: height 1.5s cubic-bezier(0.4,0,0.2,1);
}
.wave-meter-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-mid);
  text-align: center;
  line-height: 1;
  flex-shrink: 0;
}
.tide-chart {
  flex: 1;
  display: flex;
  align-items: stretch;
}
.tide-chart-svg {
  width: 100%; height: 100%;
  display: block;
  overflow: visible;
}
.status-card { --chart-color: #38bdf8; }
.status-card.falling { --chart-color: #fb923c; }
.chart-axis  { stroke: rgba(255,255,255,0.1); stroke-width: 0.6; }
.chart-tick  { stroke: rgba(255,255,255,0.12); stroke-width: 0.5; }
.chart-past  { fill: none; stroke: var(--chart-color); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: stroke 600ms; }
.chart-future { fill: none; stroke: var(--chart-color); stroke-width: 1.2; opacity: 0.22; stroke-dasharray: 2.5 3; transition: stroke 600ms; }
.chart-dot   { fill: white; stroke: var(--chart-color); stroke-width: 1.5; transition: stroke 600ms; }
.chart-time  { font-family: var(--font-mono); font-size: 5.5px; fill: rgba(255,255,255,0.3); }
.chart-ylabel { font-size: 5px; fill: rgba(255,255,255,0.35); font-weight: 600; }

/* ══════════════════════════════════
   TIDE TABLE
══════════════════════════════════ */
.tide-section {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.tide-section__header {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tide-section__title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}
.tide-section__sub { font-size: 0.68rem; color: var(--text-dim); }
.tide-table { width: 100%; border-collapse: collapse; }
.tide-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 150ms;
}
.tide-table tr:last-child { border-bottom: none; }
.tide-table tr.past td { opacity: 0.3; }
.tide-table tr.next-event { background: rgba(255,255,255,0.05); }
.tide-table tr.next-event td { font-weight: 700; }
.tide-table td { padding: 12px 16px; font-size: 0.92rem; vertical-align: middle; }
.td-time {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  width: 72px;
}
.td-type {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.td-type.high { color: var(--high-color); text-shadow: 0 0 12px rgba(56,189,248,0.4); }
.td-type.low  { color: var(--low-color);  text-shadow: 0 0 12px rgba(251,146,60,0.35); }
.td-height {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-mid);
}
.td-temp {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: right;
}
.no-data { padding: 32px 20px; text-align: center; color: var(--text-dim); font-size: 0.85rem; }

/* ══════════════════════════════════
   WAVE CARD
══════════════════════════════════ */
.wave-card {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 600ms;
}
.wave-card--green  { border-color: rgba(34,197,94,0.28); }
.wave-card--yellow { border-color: rgba(234,179,8,0.28); }
.wave-card--red    { border-color: rgba(239,68,68,0.28); }
.wave-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}
.wave-card__time { font-size: 0.68rem; color: var(--text-dim); }
.flag-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.flag-icon {
  width: 30px; height: 50px;
  flex-shrink: 0;
  transition: color 600ms, filter 600ms;
  color: rgba(255,255,255,0.18);
}
.wave-card--green  .flag-icon { color: #22c55e; filter: drop-shadow(0 0 8px rgba(34,197,94,0.5)); }
.wave-card--yellow .flag-icon { color: #eab308; filter: drop-shadow(0 0 8px rgba(234,179,8,0.5)); }
.wave-card--red    .flag-icon { color: #ef4444; filter: drop-shadow(0 0 8px rgba(239,68,68,0.5)); }
.flag-name { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; transition: color 600ms; color: var(--text-dim); }
.wave-card--green  .flag-name { color: #4ade80; }
.wave-card--yellow .flag-name { color: #facc15; }
.wave-card--red    .flag-name { color: #f87171; }
.flag-desc { font-size: 0.76rem; color: var(--text-dim); margin-top: 3px; line-height: 1.4; }
.wave-visual-wrap {
  height: 58px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  margin-bottom: 14px;
  position: relative;
}
.wave-visual-svg {
  width: 200%; height: 100%;
  position: absolute; top: 0; left: 0;
  animation: waveSlide var(--wave-speed, 8s) linear infinite;
}
@keyframes waveSlide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.wave-card--green  { --wave-speed: 11s; }
.wave-card--yellow { --wave-speed: 6s; }
.wave-card--red    { --wave-speed: 2.8s; }
#wave-svg-path { transition: fill 700ms ease; }
.wave-card--green  #wave-svg-path { fill: rgba(255,255,255,0.12); }
.wave-card--yellow #wave-svg-path { fill: rgba(234,179,8,0.52); }
.wave-card--red    #wave-svg-path { fill: rgba(239,68,68,0.65); }

.wave-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.wave-stat {
  background: rgba(255,255,255,0.03);
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.wave-stat__value { font-family: var(--font-mono); font-size: 0.88rem; font-weight: 700; }
.wave-stat__label { font-size: 0.58rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }

/* ══════════════════════════════════
   SUN CARD
══════════════════════════════════ */
.sun-card {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.sun-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.sun-card__sub { font-size: 0.68rem; color: var(--text-dim); }
.sun-arc-wrap { margin-bottom: 12px; }
.sun-arc-svg { width: 100%; height: auto; display: block; }
.arc-time { font-family: var(--font-mono); font-size: 8px; fill: rgba(255,255,255,0.5); }
.sun-times {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.sun-time-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.sun-time-item--right { align-items: flex-end; }
.sun-time-icon { font-size: 0.75rem; color: #fbbf24; font-weight: 700; }
.sun-time-val { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--white); }
.sun-time-lbl { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); }
.sun-daylight { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.sun-daylight-val { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: #fbbf24; }
.sun-daylight-lbl { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); }
.sun-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.sun-stat {
  background: rgba(255,255,255,0.03);
  padding: 11px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.sun-stat__value { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: var(--white); }
.sun-stat__label { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); }

/* ══════════════════════════════════
   MOON CARD
══════════════════════════════════ */
.moon-card {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.moon-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.moon-card__sub { font-size: 0.68rem; color: var(--text-dim); }
.moon-card__body {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
}
.moon-phase-icon {
  font-size: 3.2rem;
  line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(200,220,255,0.4));
}
.moon-phase-info { flex: 1; }
.moon-phase-name {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 4px;
}
.moon-illumination {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.moon-next {
  font-size: 0.72rem;
  color: rgba(200,220,255,0.6);
  line-height: 1.4;
}
.moon-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}
.moon-stat {
  background: rgba(255,255,255,0.03);
  padding: 11px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.moon-stat__value { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 700; color: var(--white); }
.moon-stat__label { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); }

/* Sky conditions row */
.sky-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.sky-item {
  background: rgba(255,255,255,0.03);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.sky-item__icon { font-size: 1rem; line-height: 1; }
.sky-item__val { font-family: var(--font-mono); font-size: 0.82rem; font-weight: 700; color: var(--white); }
.sky-item__lbl { font-size: 0.58rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }

/* ══════════════════════════════════
   FOOTER
══════════════════════════════════ */
.footer {
  margin-top: auto;
  padding-top: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-dim);
}
.footer__link { color: var(--text-dim); text-decoration: none; transition: color 150ms; }
.footer__link:hover { color: var(--white); }

/* ══════════════════════════════════
   CALENDAR OVERLAY
══════════════════════════════════ */
.cal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.cal-overlay.is-open { display: flex; }
.cal-popup {
  background: #0d2444;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 22px;
  padding: 22px;
  width: 308px;
  max-width: calc(100vw - 40px);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.cal-top { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.cal-month-label { flex: 1; text-align: center; font-size: 0.92rem; font-weight: 700; color: var(--white); }
.cal-nav-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  width: 34px; height: 34px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.1rem;
  transition: background 150ms; flex-shrink: 0;
}
.cal-nav-btn:hover { background: rgba(255,255,255,0.15); }
.cal-close-btn {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.75rem;
  transition: background 150ms, color 150ms; flex-shrink: 0;
}
.cal-close-btn:hover { background: rgba(255,255,255,0.14); color: var(--white); }
.cal-weekdays {
  display: grid; grid-template-columns: repeat(7,1fr);
  text-align: center; font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); margin-bottom: 8px;
}
.cal-days { display: grid; grid-template-columns: repeat(7,1fr); gap: 3px; }
.cal-day {
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.84rem; font-weight: 500;
  border-radius: 50%; cursor: pointer;
  color: var(--white); background: none; border: none;
  transition: background 120ms; font-family: var(--font);
}
.cal-day:not(.is-disabled):hover { background: rgba(255,255,255,0.1); }
.cal-day.is-today { background: rgba(56,189,248,0.15); color: var(--rising-color); font-weight: 700; }
.cal-day.is-selected { background: var(--rising-color); color: #0a1628; font-weight: 700; }
.cal-day.is-disabled { opacity: 0.2; pointer-events: none; cursor: default; }
.cal-day--empty { pointer-events: none; }

/* ══════════════════════════════════
   SETTINGS PANEL
══════════════════════════════════ */
.settings-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  z-index: 300;
  visibility: hidden;
  pointer-events: none;
  transition: background 300ms ease, backdrop-filter 300ms ease;
}
.settings-overlay.is-open {
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  visibility: visible;
  pointer-events: auto;
}

.settings-panel {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: min(340px, 88vw);
  background: #0c1e3a;
  border-right: 1px solid rgba(255,255,255,0.1);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 300ms cubic-bezier(0.4,0,0.2,1);
  padding-top: env(safe-area-inset-top, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.settings-overlay.is-open .settings-panel {
  transform: translateX(0);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  background: #0c1e3a;
  z-index: 1;
}
.settings-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.settings-close-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.75rem;
  transition: background 150ms, color 150ms;
}
.settings-close-btn:hover { background: rgba(255,255,255,0.14); color: var(--white); }

.settings-section {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.settings-section--data { border-bottom: none; }
.settings-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 14px;
}

/* Timezone buttons */
.settings-tz-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tz-btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-mid);
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 150ms, color 150ms, border-color 150ms;
  font-family: var(--font);
}
.tz-btn:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.tz-btn.is-active {
  background: rgba(56,189,248,0.15);
  border-color: rgba(56,189,248,0.4);
  color: var(--rising-color);
}

/* Tile toggle list */
.settings-tiles-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tile-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
}
.tile-toggle-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white);
}
.toggle-switch {
  position: relative;
  width: 44px; height: 26px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  border-radius: 100px;
  cursor: pointer;
  transition: background 200ms;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--white);
  transition: transform 200ms;
}
.toggle-switch input:checked + .toggle-slider { background: var(--rising-color); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }

.settings-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-top: 12px;
}
.settings-note strong { color: var(--text-mid); }

.settings-refresh-btn {
  margin-top: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-mid);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 150ms, color 150ms;
  font-family: var(--font);
}
.settings-refresh-btn:hover { background: rgba(255,255,255,0.12); color: var(--white); }

/* ══════════════════════════════════
   WEBCAM CARD
══════════════════════════════════ */
.webcam-card {
  background: rgba(10,22,48,0.62);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.webcam-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.webcam-live-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #f87171;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 100px;
  padding: 3px 8px;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}
.webcam-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}
.webcam-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.webcam-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.9);
  transition: background 150ms;
}
.webcam-play-btn:hover { background: rgba(0,0,0,0.5); }
.webcam-play-btn.is-playing { background: transparent; }
.webcam-play-btn.is-playing:hover { background: rgba(0,0,0,0.2); }
.webcam-play-btn.is-playing svg { opacity: 0; }
.webcam-play-btn.is-playing:hover svg { opacity: 0.8; }
.webcam-overlay-label {
  position: absolute;
  bottom: 8px; left: 10px;
  font-size: 0.62rem;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.45);
  padding: 2px 7px;
  border-radius: 100px;
  pointer-events: none;
}

/* ══════════════════════════════════
   SETTINGS — THEME SELECTOR
══════════════════════════════════ */
.settings-theme-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.theme-btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-mid);
  padding: 12px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 150ms, color 150ms, border-color 150ms;
  font-family: var(--font);
}
.theme-btn:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.theme-btn.is-active {
  background: rgba(56,189,248,0.15);
  border-color: rgba(56,189,248,0.4);
  color: var(--rising-color);
}

/* ══════════════════════════════════
   SETTINGS — TILE DRAG HANDLE
══════════════════════════════════ */
.tile-toggle-row {
  cursor: default;
}
.tile-drag-handle {
  font-size: 1rem;
  color: var(--text-dim);
  cursor: grab;
  padding: 0 8px 0 0;
  flex-shrink: 0;
  transition: color 150ms;
  touch-action: none;
}
.tile-drag-handle:hover { color: var(--text-mid); }
.tile-drag-handle:active { cursor: grabbing; }
.tile-toggle-row.is-dragging { opacity: 0.45; }
.tile-toggle-row.drag-over {
  outline: 2px dashed rgba(56,189,248,0.5);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ══════════════════════════════════
   LIGHT THEME
══════════════════════════════════ */
body.theme-light {
  --white:         #0a1628;
  --text-dim:      rgba(10,22,40,0.5);
  --text-mid:      rgba(10,22,40,0.75);
  --rising-color:  #0066bb;
  --falling-color: #c05500;
  --high-color:    #0066bb;
  --low-color:     #c05500;
  background: #d0eaff;
}
body.theme-light .bg-sky {
  background: linear-gradient(180deg, #90c8e8 0%, #b8ddf5 40%, #d4eeff 100%) !important;
  transition: background 2s ease;
}
body.theme-light.is-day .bg-sky {
  background: linear-gradient(180deg, #5aaad8 0%, #90c8e8 40%, #c0e2f8 100%) !important;
}
body.theme-light.is-golden .bg-sky {
  background: linear-gradient(180deg, #e8a060 0%, #f0c080 40%, #f8d8a0 100%) !important;
}
body.theme-light.is-night .bg-sky {
  background: linear-gradient(180deg, #0a1628 0%, #0d2444 40%, #0a1628 100%) !important;
}
body.theme-light .header {
  background: rgba(220,238,255,0.94);
  border-bottom-color: rgba(10,22,40,0.1);
}
body.theme-light .date-nav {
  background: rgba(255,255,255,0.55);
  border-color: rgba(10,22,40,0.15);
}
body.theme-light .date-nav.is-today {
  border-color: rgba(0,102,187,0.55);
}
body.theme-light .day-pill {
  background: rgba(10,22,40,0.07);
  border-color: rgba(10,22,40,0.12);
  color: rgba(10,22,40,0.75);
}
body.theme-light .day-pill.is-active {
  background: rgba(0,102,187,0.15);
  border-color: rgba(0,102,187,0.45);
  color: #0066bb;
}
body.theme-light .btn-nav {
  background: rgba(10,22,40,0.08);
  border-color: rgba(10,22,40,0.14);
  color: #0a1628;
}
body.theme-light .status-card,
body.theme-light .tide-section,
body.theme-light .wave-card,
body.theme-light .sun-card,
body.theme-light .moon-card,
body.theme-light .webcam-card {
  background: rgba(255,255,255,0.65);
  border-color: rgba(10,22,40,0.12);
}
body.theme-light .settings-btn {
  color: rgba(10,22,40,0.7);
  background: rgba(10,22,40,0.08);
  border-color: rgba(10,22,40,0.15);
}
body.theme-light .settings-btn:hover {
  background: rgba(10,22,40,0.14);
  color: #0a1628;
}
body.theme-light .status-card::before {
  background: linear-gradient(90deg, #0066bb, #66b3e8);
}
body.theme-light .wave-fill {
  background: linear-gradient(180deg, rgba(0,102,187,0.35) 0%, rgba(0,55,130,0.55) 100%);
}
body.theme-light .tide-section__header {
  border-bottom-color: rgba(10,22,40,0.08);
}
body.theme-light .tide-table tr {
  border-bottom-color: rgba(10,22,40,0.06);
}
body.theme-light .wave-stats,
body.theme-light .sun-stats,
body.theme-light .moon-stats,
body.theme-light .sky-row {
  background: rgba(10,22,40,0.07);
}
body.theme-light .wave-stat,
body.theme-light .sun-stat,
body.theme-light .moon-stat,
body.theme-light .sky-item {
  background: rgba(255,255,255,0.6);
}
body.theme-light .footer { color: rgba(10,22,40,0.5); }
body.theme-light .footer__link { color: rgba(10,22,40,0.5); }
body.theme-light .footer__link:hover { color: #0a1628; }
body.theme-light .settings-panel {
  background: #eaf4ff;
  border-right-color: rgba(10,22,40,0.1);
}
body.theme-light .settings-header { background: #eaf4ff; }
body.theme-light .settings-title  { color: #0a1628; }
body.theme-light .tz-btn,
body.theme-light .theme-btn {
  background: rgba(10,22,40,0.06);
  border-color: rgba(10,22,40,0.1);
  color: rgba(10,22,40,0.75);
}
body.theme-light .tz-btn.is-active,
body.theme-light .theme-btn.is-active {
  background: rgba(0,102,187,0.12);
  border-color: rgba(0,102,187,0.4);
  color: #0066bb;
}
body.theme-light .tile-toggle-row {
  background: rgba(10,22,40,0.04);
  border-color: rgba(10,22,40,0.08);
}
body.theme-light .tile-toggle-label { color: #0a1628; }
body.theme-light .settings-refresh-btn {
  background: rgba(10,22,40,0.07);
  border-color: rgba(10,22,40,0.12);
  color: rgba(10,22,40,0.75);
}

/* ══════════════════════════════════
   SAFE AREAS
══════════════════════════════════ */
@supports (padding-top: env(safe-area-inset-top)) {
  .app {
    padding-top: max(env(safe-area-inset-top), 20px);
    padding-bottom: max(env(safe-area-inset-bottom), 24px);
  }
}