:root {
    --sand: #f5e6c8;
    --ocean-deep: #0c2d48;
    --ocean-mid: #145374;
    --ocean-light: #2e86ab;
    --foam: #e8f4f8;
    --star-gold: #f5a623;
    --star-empty: #c8d6df;
    --coral: #e8735a;
    --seafoam: #48b89f;
    --text-dark: #1a2a3a;
    --text-mid: #4a6072;
    --text-light: #8a9aaa;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 20px rgba(12,45,72,0.12);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: linear-gradient(180deg, var(--ocean-deep) 0%, var(--ocean-mid) 40%, var(--ocean-light) 100%);
    min-height: 100vh;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
  }

  header {
    text-align: center;
    padding: 28px 20px 12px;
    color: white;
  }

  header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 2px;
  }

  header .subtitle {
    font-size: 13px;
    opacity: 0.7;
    font-weight: 400;
  }

  .container {
    max-width: 420px;
    margin: 0 auto;
    padding: 0 16px 32px;
  }

  .card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 14px;
    box-shadow: var(--card-shadow);
  }

  /* === MAIN RATING === */
  .rating-card {
    text-align: center;
    padding: 28px 24px 24px;
    position: relative;
    overflow: hidden;
  }

  .rating-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--coral), var(--star-gold), var(--seafoam));
    border-radius: 20px 20px 0 0;
  }

  .rating-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-light);
    margin-bottom: 10px;
  }

  .stars-display {
    font-size: 42px;
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: 4px;
    user-select: none;
  }

  .stars-display .star {
    display: inline-block;
    position: relative;
  }

  .stars-display .star-filled { color: var(--star-gold); }
  .stars-display .star-half {
    color: var(--star-empty);
    position: relative;
  }
  .stars-display .star-half::before {
    content: '★';
    position: absolute;
    left: 0;
    overflow: hidden;
    color: var(--star-gold);
  }
  .stars-display .star-empty { color: var(--star-empty); }

  .rating-number {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-mid);
    margin-bottom: 8px;
  }

  .rating-verdict {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.2;
  }

  .rating-desc {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.4;
  }

  /* === TIDE INFO === */
  .tide-info-card {
    padding: 20px 24px;
  }

  .tide-current {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eef2f5;
  }

  .tide-height-display {
    display: flex;
    align-items: baseline;
    gap: 6px;
  }

  .tide-height-val {
    font-size: 32px;
    font-weight: 700;
    color: var(--ocean-mid);
    line-height: 1;
  }

  .tide-height-unit {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
  }

  .tide-state {
    text-align: right;
  }

  .tide-state-arrow {
    font-size: 20px;
    display: block;
    line-height: 1;
  }

  .tide-state-text {
    font-size: 12px;
    color: var(--text-mid);
    font-weight: 500;
  }

  .tide-next-events {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .next-event {
    background: var(--foam);
    border-radius: 12px;
    padding: 14px;
  }

  .next-event-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    margin-bottom: 6px;
  }

  .next-event-time {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
  }

  .next-event-height {
    font-size: 12px;
    color: var(--text-mid);
    margin-top: 2px;
  }

  .next-event-countdown {
    font-size: 11px;
    color: var(--ocean-light);
    margin-top: 4px;
    font-weight: 500;
  }

  /* === TIDE CURVE === */
  .curve-card {
    padding: 18px 16px 14px;
  }

  .curve-card h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 8px;
  }

  .tide-curve-container {
    position: relative;
    width: 100%;
    height: 100px;
  }

  .tide-curve-container svg {
    width: 100%;
    height: 100%;
  }

  /* === DATE PICKER === */
  .picker-card {
    padding: 18px 24px;
  }

  .picker-card h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-light);
    margin-bottom: 12px;
  }

  .picker-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
  }

  .picker-row input[type="datetime-local"] {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid #e0e8ee;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    background: #f8fafc;
    outline: none;
    transition: border-color 0.2s;
  }

  .picker-row input:focus {
    border-color: var(--ocean-light);
  }

  .btn-check {
    padding: 12px 20px;
    background: var(--ocean-mid);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
  }

  .btn-check:active { background: var(--ocean-deep); }

  .btn-now {
    display: block;
    width: 100%;
    padding: 12px;
    background: transparent;
    color: var(--ocean-light);
    border: 2px solid var(--ocean-light);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
  }

  .btn-now:active {
    background: var(--ocean-light);
    color: white;
  }

  /* === NEXT GOOD WALK === */
  .next-walk-card {
    padding: 18px 24px;
    background: linear-gradient(135deg, #e8f8f0, #f0f8e8);
  }

  .next-walk-card h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--seafoam);
    margin-bottom: 8px;
  }

  .next-walk-time {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2px;
  }

  .next-walk-detail {
    font-size: 13px;
    color: var(--text-mid);
  }

  .next-walk-stars {
    color: var(--star-gold);
    font-size: 14px;
    margin-top: 4px;
  }

  /* === WALK WINDOW + RAIN OVERLAY === */
  .walk-window-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 6px;
    letter-spacing: 0.3px;
  }
  .rain-strip-wrap {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(12,45,72,0.08);
    display: none;
  }
  .rain-strip-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 8px;
    text-align: center;
  }
  .rain-strip-times {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-light);
    margin-bottom: 4px;
    padding: 0 2px;
  }
  .rain-strip {
    display: flex;
    gap: 2px;
    margin: 0 auto;
    max-width: 100%;
    border-radius: 4px;
    overflow: hidden;
  }
  .rain-block {
    flex: 1 1 0;
    height: 22px;
    border-radius: 2px;
    min-width: 8px;
  }
  .rain-block.clear { background: var(--star-gold); opacity: 0.55; }
  .rain-block.light { background: var(--foam); border: 1px solid rgba(46,134,171,0.4); }
  .rain-block.rain  { background: var(--ocean-light); }
  .rain-block.heavy { background: var(--ocean-deep); }
  .rain-best-band {
    margin-top: 8px;
    font-size: 12px;
    color: var(--seafoam);
    text-align: center;
    font-weight: 500;
  }
  .rain-strip-legend {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 10px;
    font-size: 10px;
    color: var(--text-light);
    flex-wrap: wrap;
  }
  .rain-strip-legend span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .rain-strip-legend .dot {
    width: 9px; height: 9px; border-radius: 2px;
  }
  .rain-strip-legend .dot.clear { background: var(--star-gold); opacity: 0.55; }
  .rain-strip-legend .dot.light { background: var(--foam); border: 1px solid rgba(46,134,171,0.4); }
  .rain-strip-legend .dot.rain  { background: var(--ocean-light); }
  .rain-strip-legend .dot.heavy { background: var(--ocean-deep); }

  /* === VIEWING LABEL === */
  .viewing-label {
    text-align: center;
    padding: 6px 16px;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    font-weight: 500;
  }

  .viewing-label strong {
    font-weight: 700;
  }

  .data-status {
    display: none;
    text-align: center;
    margin: 0 0 10px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.14);
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    line-height: 1.35;
  }

  .data-status.live {
    background: rgba(72,184,159,0.18);
  }

  .data-status.estimate,
  .data-status.error {
    background: rgba(232,115,90,0.2);
  }

  /* === BEACH PICKER === */
  .beach-picker-card {
    padding: 18px;
  }

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

  .beach-picker-head h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-light);
  }

  .default-badge {
    min-height: 14px;
    color: var(--ocean-light);
    font-size: 11px;
    font-weight: 600;
    text-align: right;
  }

  .beach-select-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-bottom: 14px;
  }

  .beach-select-row select {
    min-width: 0;
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e0e8ee;
    border-radius: 12px;
    background: #f8fafc;
    color: var(--text-dark);
    font-family: inherit;
    font-size: 15px;
    outline: none;
  }

  .beach-select-row select:focus {
    border-color: var(--ocean-light);
  }

  .btn-default {
    padding: 0 14px;
    border: 2px solid var(--ocean-mid);
    border-radius: 12px;
    background: var(--ocean-mid);
    color: white;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
  }

  .btn-default:disabled {
    border-color: #d8e2e8;
    background: #eef3f6;
    color: var(--text-light);
    cursor: default;
  }

  .beach-map {
    position: relative;
    height: 154px;
    margin-bottom: 12px;
    overflow: hidden;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(46,134,171,0.15), rgba(72,184,159,0.16));
    border: 1px solid rgba(46,134,171,0.16);
  }

  .island-outline {
    position: absolute;
    inset: 18px 28px 16px 26px;
    background: rgba(255,255,255,0.72);
    box-shadow: inset 0 0 0 1px rgba(12,45,72,0.08), 0 8px 22px rgba(12,45,72,0.08);
    clip-path: polygon(6% 48%, 15% 34%, 30% 25%, 48% 17%, 68% 21%, 88% 35%, 95% 50%, 82% 65%, 61% 77%, 36% 82%, 18% 71%);
  }

  .map-pin {
    position: absolute;
    z-index: 2;
    width: 13px;
    height: 13px;
    transform: translate(-50%, -50%);
    border: 2px solid white;
    border-radius: 50%;
    background: var(--ocean-light);
    box-shadow: 0 2px 8px rgba(12,45,72,0.3);
    cursor: pointer;
  }

  .map-pin.active {
    width: 17px;
    height: 17px;
    background: var(--star-gold);
    box-shadow: 0 0 0 3px rgba(245,166,35,0.24), 0 2px 8px rgba(12,45,72,0.34);
  }

  .map-pin:focus-visible {
    outline: 3px solid var(--ocean-deep);
    outline-offset: 2px;
  }

  .dog-rule {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 12px;
    line-height: 1.35;
  }

  .dog-rule strong {
    font-size: 12px;
    color: var(--text-dark);
  }

  .dog-rule span {
    color: var(--text-mid);
  }

  .dog-rule.allowed {
    background: rgba(72,184,159,0.13);
    border-left: 4px solid var(--seafoam);
  }

  .dog-rule.partial {
    background: rgba(245,166,35,0.13);
    border-left: 4px solid var(--star-gold);
  }

  .dog-rule.restricted {
    background: rgba(232,115,90,0.13);
    border-left: 4px solid var(--coral);
  }

  .confidence-note {
    margin-top: 9px;
    color: var(--text-light);
    font-size: 11px;
    line-height: 1.35;
  }

  @media (max-width: 360px) {
    .beach-select-row {
      grid-template-columns: 1fr;
    }

    .btn-default {
      min-height: 42px;
    }
  }

  /* === DISCLAIMER === */
  .disclaimer {
    text-align: center;
    padding: 12px 20px;
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    line-height: 1.7;
  }
  .disclaimer-credit a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-bottom: 1px dotted rgba(255,255,255,0.3);
  }
  .disclaimer-credit a:hover {
    color: rgba(255,255,255,0.9);
  }

  /* Animations */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .card { animation: fadeIn 0.4s ease-out; }
  .card:nth-child(2) { animation-delay: 0.05s; }
  .card:nth-child(3) { animation-delay: 0.1s; }
  .card:nth-child(4) { animation-delay: 0.15s; }
  .card:nth-child(5) { animation-delay: 0.2s; }