/*******************************************************************************
 * CLAUDE GLM 47 SKIN - MODERN CSS WITH DARK/LIGHT THEME SUPPORT
 * Responsive design for WeeWX weather station data
 ******************************************************************************/

/* ===== CSS CUSTOM PROPERTIES (THEMING) ===== */
:root {
  /* Light theme (default) */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #f1f3f5;
  --color-text: #212529;
  --color-text-secondary: #495057;
  --color-text-muted: #6c757d;
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;

  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #06b6d4;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --transition: all 0.2s ease;
  --transition-slow: all 0.3s ease;
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  --color-border-light: #475569;

  --color-primary: #60a5fa;
  --color-primary-dark: #3b82f6;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5em;
  color: var(--color-text);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===== HEADER ===== */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-info {
  flex: 1;
  min-width: 200px;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

.last-update {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0.25rem 0 0 0;
}

.last-update time {
  font-family: var(--font-mono);
}

/* ===== NAVIGATION ===== */
.main-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  text-decoration: none;
}

.rss-link {
  background-color: var(--color-warning);
  color: white;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  border-radius: var(--radius);
}

.rss-link:hover {
  background-color: #d97706;
  color: white;
}

/* ===== HEADER ACTIONS ===== */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== MAIN CONTENT ===== */
main {
  flex: 1;
  padding: 1.5rem 0;
}

.widgets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.plots-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--color-border-light);
}

.info-section .widgets-grid {
  margin-bottom: 0;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition-slow);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.card-content {
  padding: 1rem;
}

/* ===== CURRENT CONDITIONS ===== */
.conditions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.condition-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius);
}

.condition-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.condition-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.condition-trend {
  font-size: 0.875rem;
  font-weight: 500;
}

.condition-trend.rising {
  color: var(--color-danger);
}

.condition-trend.falling {
  color: var(--color-success);
}

.condition-trend.steady {
  color: var(--color-text-muted);
}

.condition-detail {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.wind-direction {
  font-weight: 500;
  color: var(--color-primary);
}

/* ===== CELESTIAL WIDGET ===== */
.celestial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.celestial-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius);
}

.celestial-icon {
  font-size: 1.5rem;
}

.celestial-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.celestial-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.celestial-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ===== HIGH/LOW WIDGET ===== */
.hilo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.hilo-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius);
}

.hilo-icon {
  font-size: 1.5rem;
}

.hilo-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.hilo-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.hilo-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.hilo-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===== SENSORS WIDGET ===== */
.sensor-group {
  margin-bottom: 1rem;
}

.sensor-group:last-child {
  margin-bottom: 0;
}

.sensor-group h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.sensor-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sensor-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.sensor-label {
  flex: 1;
  font-weight: 500;
}

.sensor-value {
  font-weight: 600;
  color: var(--color-text);
}

.sensor-status {
  font-weight: 500;
}

.status-badge {
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-badge.status-ok {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.status-badge.status-low {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.status-badge.status-unknown {
  background-color: rgba(107, 114, 128, 0.1);
  color: var(--color-text-muted);
}

.sensor-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.time-ago {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===== ABOUT WIDGET ===== */
.station-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-row dt {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.info-row dd {
  font-size: 0.875rem;
  color: var(--color-text);
}

/* ===== MAP WIDGET ===== */
.map-canvas {
  width: 100%;
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
}

/* ===== EXTERNAL IMAGES (RADAR, SATELLITE, WEBCAM) ===== */
.card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* ===== HISTORY SECTION ===== */
.history-section {
  width: 100%;
}

.period-buttons {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.period-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.period-btn:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.period-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.plots-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.plot-item {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.plot-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Radar/Satellite combined widget */
.radarsat-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.radarsat-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radarsat-item .plot-item {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.radarsat-label {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: 0.25rem 0;
}

.radarsat-item a {
  text-decoration: none;
}


/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  margin-top: 2rem;
}

.footer-content {
  text-align: center;
}

.footnote {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.footnote a {
  color: var(--color-primary);
}

.footer-info {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .site-title {
    font-size: 1.25rem;
  }

  .header-container {
    flex-wrap: wrap;
  }

  .header-actions {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 4;
    flex-direction: column;
    padding-top: 1rem;
  }

  .main-nav.active {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .widgets-grid {
    grid-template-columns: 1fr;
  }

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

  .celestial-grid,
  .hilo-grid {
    grid-template-columns: 1fr;
  }

  .period-buttons {
    width: 100%;
  }

  .period-btn {
    flex: 1;
    min-width: 60px;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
  }
}

@media (max-width: 480px) {
  .conditions-grid {
    grid-template-columns: 1fr;
  }

  .card-content {
    padding: 0.75rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== PRINT STYLES ===== */
@media print {
  .site-header,
  .site-footer,
  .period-buttons,
  .theme-toggle,
  .mobile-menu-toggle,
  .image-modal {
    display: none;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  body {
    background: white;
    color: black;
  }
}

/* ===== IMAGE MODAL ===== */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.image-modal[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.image-modal.modal-opening {
  animation: modalFadeIn 0.3s ease forwards;
}

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

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10000;
}

.modal-close:hover {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: white;
  transform: scale(1.1);
}

.modal-image-container {
  max-width: 100%;
  max-height: calc(100vh - 4rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-image {
  max-width: 100%;
  max-height: calc(100vh - 6rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.modal-caption {
  margin-top: 1rem;
  color: var(--color-bg);
  font-size: 0.875rem;
  text-align: center;
  max-width: 600px;
}

/* Plot image hover effect */
.plot-item img {
  transition: var(--transition);
}

.plot-item img:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* Make plot images clearly clickable */
.plot-item {
  position: relative;
  cursor: pointer;
}

.plot-item::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: var(--transition);
  pointer-events: none;
}

.plot-item:hover::after {
  border-color: var(--color-primary);
}

.plot-item img {
  cursor: pointer;
}

/* Responsive modal */
@media (max-width: 768px) {
  .image-modal {
    padding: 1rem;
  }

  .modal-close {
    top: 0.5rem;
    right: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
  }

  .modal-image {
    max-height: calc(100vh - 4rem);
  }

  .modal-caption {
    font-size: 0.75rem;
    padding: 0 0.5rem;
  }
}

/* Dark theme modal adjustments */
[data-theme="dark"] .image-modal {
  background-color: rgba(0, 0, 0, 0.95);
}

[data-theme="dark"] .modal-close {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-border);
}

[data-theme="dark"] .modal-close:hover {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
}