/* ============================================================
   SURF NEWQUAY — Ocean-inspired design system
   Palette: deep ocean navy + electric seafoam accent + gold
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-default: 1100px;
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ---------- Light Mode ---------- */
:root, [data-theme='light'] {
  --color-bg: #f0f4f8;
  --color-surface: #ffffff;
  --color-surface-2: #f8fafc;
  --color-surface-offset: #e8eff6;
  --color-border: #c8d8e8;
  --color-divider: #d8e8f0;

  --color-text: #0d1b2a;
  --color-text-muted: #4a6278;
  --color-text-faint: #8fabbe;

  --color-primary: #007ea8;
  --color-primary-hover: #005f80;
  --color-primary-highlight: rgba(0, 126, 168, 0.12);

  --color-accent: #00c6a7;
  --color-gold: #e8a020;

  --color-good: #00a878;
  --color-fair: #e8a020;
  --color-poor: #d04040;

  --shadow-sm: 0 1px 3px rgba(0,30,60,0.08);
  --shadow-md: 0 4px 16px rgba(0,30,60,0.10);
  --shadow-lg: 0 12px 40px rgba(0,30,60,0.14);

  --hero-bg: linear-gradient(160deg, #0b3d6b 0%, #0d7080 50%, #00a878 100%);
  --wave-color: rgba(0, 198, 167, 0.25);
}

/* ---------- Dark Mode ---------- */
[data-theme='dark'] {
  --color-bg: #050e18;
  --color-surface: #0a1929;
  --color-surface-2: #0f2237;
  --color-surface-offset: #0d2030;
  --color-border: #1a3550;
  --color-divider: #132840;

  --color-text: #d4e8f7;
  --color-text-muted: #6e9ab8;
  --color-text-faint: #3a6080;

  --color-primary: #00c6e8;
  --color-primary-hover: #00a0c0;
  --color-primary-highlight: rgba(0, 198, 232, 0.10);

  --color-accent: #00e6c0;
  --color-gold: #f0b840;

  --color-good: #00d4a0;
  --color-fair: #f0b840;
  --color-poor: #f05858;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);

  --hero-bg: linear-gradient(160deg, #020c18 0%, #041828 50%, #062030 100%);
  --wave-color: rgba(0, 198, 200, 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f0f4f8;
    --color-surface: #ffffff;
    --color-surface-2: #f8fafc;
    --color-surface-offset: #e8eff6;
    --color-border: #c8d8e8;
    --color-divider: #d8e8f0;
    --color-text: #0d1b2a;
    --color-text-muted: #4a6278;
    --color-text-faint: #8fabbe;
    --color-primary: #007ea8;
    --color-primary-hover: #005f80;
    --color-primary-highlight: rgba(0, 126, 168, 0.12);
    --color-accent: #00c6a7;
    --color-gold: #e8a020;
    --color-good: #00a878;
    --color-fair: #e8a020;
    --color-poor: #d04040;
    --shadow-sm: 0 1px 3px rgba(0,30,60,0.08);
    --shadow-md: 0 4px 16px rgba(0,30,60,0.10);
    --shadow-lg: 0 12px 40px rgba(0,30,60,0.14);
    --hero-bg: linear-gradient(160deg, #0b3d6b 0%, #0d7080 50%, #00a878 100%);
    --wave-color: rgba(0, 198, 167, 0.25);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

img, svg { display: block; max-width: 100%; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--content-default);
  margin: 0 auto;
  padding-inline: var(--space-6);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding-inline: var(--space-6);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.live-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-good);
  background: color-mix(in srgb, var(--color-good) 12%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid color-mix(in srgb, var(--color-good) 30%, transparent);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-good);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--hero-bg);
  padding: clamp(var(--space-16), 10vw, var(--space-20)) var(--space-6) clamp(var(--space-20), 12vw, 160px);
  text-align: center;
  color: white;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Animated wave layers */
.wave-anim {
  position: absolute;
  bottom: -10px;
  left: -50%;
  width: 200%;
  height: 120px;
  border-radius: 48% 52% 44% 56% / 40% 40% 60% 60%;
  opacity: 0.6;
}

.wave-1 {
  background: var(--wave-color);
  animation: waveMove 8s ease-in-out infinite;
}

.wave-2 {
  background: var(--wave-color);
  bottom: -20px;
  opacity: 0.4;
  animation: waveMove 11s ease-in-out infinite reverse;
}

.wave-3 {
  background: var(--wave-color);
  bottom: -30px;
  opacity: 0.25;
  animation: waveMove 14s ease-in-out infinite;
}

@keyframes waveMove {
  0%, 100% { transform: translateX(0) rotate(-1deg); }
  50% { transform: translateX(-10%) rotate(1deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  opacity: 0.7;
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  opacity: 0.85;
}

.hero-sep { opacity: 0.5; }

/* ---------- Beach Selector ---------- */
.beach-selector-section {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 60px;
  z-index: 90;
}

.beach-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.beach-tabs::-webkit-scrollbar { display: none; }

.beach-tab {
  flex-shrink: 0;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

.beach-tab:hover {
  color: var(--color-text);
}

.beach-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 700;
}

/* ---------- Conditions Section ---------- */
.conditions-section {
  padding-block: var(--space-12) var(--space-16);
}

.conditions-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.beach-name-display {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.beach-desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 52ch;
}

.surf-rating-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6);
  min-width: 130px;
  box-shadow: var(--shadow-sm);
}

.rating-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.rating-stars {
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: var(--space-1);
  letter-spacing: 2px;
}

.rating-text {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Metrics Grid ---------- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (max-width: 900px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.metric-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.metric-val {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.2vw + 0.6rem, 1.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  max-width: 100%;
}

.metric-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Skeleton loading */
.skeleton {
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--color-primary) 8%, transparent) 50%, transparent 100%);
  animation: shimmer 1.5s infinite;
  border-radius: inherit;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---------- Forecast Table ---------- */
.forecast-section {
  margin-bottom: var(--space-10);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

.forecast-scroll {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.forecast-table {
  background: var(--color-surface);
  font-size: var(--text-sm);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.forecast-table thead {
  background: var(--color-surface-offset);
}

.forecast-table th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.forecast-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
}

.forecast-table tbody tr:last-child td {
  border-bottom: none;
}

.forecast-table tbody tr:hover {
  background: var(--color-primary-highlight);
}

.loading-row {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-8) !important;
}

.day-label { font-weight: 700; }
.day-label.today { color: var(--color-primary); }

.wave-cell { font-weight: 700; color: var(--color-text); }

.rating-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.rating-pill.good {
  background: color-mix(in srgb, var(--color-good) 15%, transparent);
  color: var(--color-good);
}

.rating-pill.fair {
  background: color-mix(in srgb, var(--color-fair) 15%, transparent);
  color: var(--color-fair);
}

.rating-pill.poor {
  background: color-mix(in srgb, var(--color-poor) 15%, transparent);
  color: var(--color-poor);
}

/* ---------- Hourly Chart ---------- */
.hourly-section {
  margin-bottom: var(--space-10);
}

.chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

/* ---------- Beach Info Cards ---------- */
.info-section {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12) var(--space-16);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.info-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.info-card-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
}

.skill-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.skill-tag.beginner {
  background: color-mix(in srgb, var(--color-good) 15%, transparent);
  color: var(--color-good);
}

.skill-tag.intermediate {
  background: color-mix(in srgb, var(--color-fair) 15%, transparent);
  color: var(--color-fair);
}

.skill-tag.advanced {
  background: color-mix(in srgb, var(--color-poor) 15%, transparent);
  color: var(--color-poor);
}

.info-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-4);
}

.info-card-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
}

.info-card-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ---------- SEO Content ---------- */
.seo-section {
  background: var(--color-surface-2);
  padding-block: 0 var(--space-12);
}

.seo-content {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 72ch;
}

.seo-content .section-title {
  margin-bottom: var(--space-3);
}

.seo-beach-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  list-style: none;
}

.seo-beach-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10) var(--space-12);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.footer-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 60ch;
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .conditions-header {
    flex-direction: column;
  }

  .surf-rating-badge {
    flex-direction: row;
    gap: var(--space-4);
    width: 100%;
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }
}

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