/* ==========================================
   Weather Mood — Design Tokens & Reset
   ========================================== */

:root {
  --ink: #1A1A2E;
  --coral: #FF6B6B;
  --mint: #4ECDC4;
  --sun: #FFE66D;
  --sky: #DFE6E9;
  --cloud: #FFFFFF;
  --storm: #636E72;
  --dawn: #FFE0B2;
  --glass: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 8px 32px rgba(26, 26, 46, 0.10);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--sky);
  color: var(--ink);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

.noscript-banner {
  padding: 1.5rem;
  text-align: center;
  font-size: 1rem;
  color: var(--storm);
}

/* ==========================================
   Map — full screen canvas
   ========================================== */

#map {
  position: fixed;
  inset: 0;
  z-index: 0;
}

/* Leaflet tile sharpness — critical for mobile retina */
.leaflet-tile {
  image-rendering: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.leaflet-container {
  -webkit-tap-highlight-color: transparent;
}

/* Leaflet controls */
.leaflet-control-zoom {
  border: none !important;
  box-shadow: var(--shadow-md) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden;
}
.leaflet-control-zoom a {
  width: 36px !important;
  height: 36px !important;
  line-height: 36px !important;
  font-size: 1.1rem !important;
  color: var(--ink) !important;
  background: var(--glass) !important;
  backdrop-filter: blur(12px);
}
.leaflet-popup-content-wrapper {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md) !important;
  padding: 0 !important;
  overflow: hidden;
}
.leaflet-popup-content {
  margin: 0 !important;
  min-width: 260px;
}
.leaflet-popup-close-button {
  z-index: 10 !important;
  top: 10px !important;
  right: 10px !important;
  width: 28px !important;
  height: 28px !important;
  line-height: 26px !important;
  text-align: center !important;
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: var(--coral) !important;
  background: var(--glass) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 50% !important;
  padding: 0 !important;
  cursor: pointer !important;
  transition: background 0.2s, transform 0.15s !important;
  box-shadow: var(--shadow-sm) !important;
}
.leaflet-popup-close-button:hover {
  background: var(--coral) !important;
  color: white !important;
  transform: scale(1.1) !important;
}

/* ==========================================
   Header — floating top bar
   ========================================== */

#header {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s;
}
#header:hover {
  box-shadow: var(--shadow-md);
}
.header-icon {
  font-size: 1.8rem;
  color: var(--sun);
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}
#app-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
#subtitle {
  font-size: 0.7rem;
  color: var(--storm);
  display: block;
}

/* ==========================================
   Search Panel — floating pill
   ========================================== */

#search-panel {
  position: fixed;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 12px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 340px;
  transition: box-shadow 0.3s;
}
#search-panel:focus-within {
  box-shadow: var(--shadow-md);
}

#date-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Merged date range box — two native inputs looking like one */
#date-range-box {
  display: flex;
  align-items: center;
  flex: 1;
  background: var(--cloud);
  border: 1.5px solid var(--sky);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
#date-range-box:focus-within {
  border-color: var(--coral);
}
#date-range-box input[type="date"] {
  flex: 1;
  padding: 8px 4px;
  border: none;
  font-size: 0.80rem;
  font-family: var(--font);
  color: var(--ink);
  background: transparent;
  outline: none;
  min-width: 0;
  text-align: center;
}
#date-range-box input[type="date"]::-webkit-calendar-picker-indicator {
  margin: 0;
  opacity: 0.6;
}
#date-arrow {
  color: var(--storm);
  font-size: 0.8rem;
  flex-shrink: 0;
  padding: 0 2px;
  user-select: none;
}
#btn-query {
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, background 0.2s;
  flex-shrink: 0;
}
#btn-query:hover {
  transform: scale(1.08);
  background: #ff5252;
}
#btn-query:active {
  transform: scale(0.95);
}
#btn-query:disabled {
  background: #ccc;
  transform: none;
  cursor: not-allowed;
}

#quick-dates {
  display: flex;
  gap: 6px;
}
.quick-btn {
  flex: 1;
  padding: 6px 0;
  border: 1.5px solid var(--sky);
  background: transparent;
  color: var(--storm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.72rem;
  font-family: var(--font);
  transition: all 0.2s;
}
.quick-btn:hover {
  background: var(--coral);
  border-color: var(--coral);
  color: white;
}

/* ==========================================
   Time Slider — weather timeline
   ========================================== */

#slider-container {
  position: fixed;
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 10px 20px 12px;
  min-width: 320px;
}

#slider-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}
#slider-emoji {
  font-size: 1.1rem;
}
#slider-label {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
}
#slider-weekday {
  font-size: 0.75rem;
  color: var(--storm);
}

/* Range input */
#slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--sky);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}
#slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--coral);
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(255, 107, 107, 0.35);
  cursor: pointer;
  transition: transform 0.12s ease-out;
}
#slider::-webkit-slider-thumb:active {
  transform: scale(1.2);
}

#slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 4px 2px 0;
}
.tick {
  font-size: 0.8rem;
  opacity: 0.45;
  transition: opacity 0.2s;
  cursor: pointer;
}
.tick.active {
  opacity: 1;
  transform: scale(1.3);
}

/* ==========================================
   Stats Bar — floating bottom
   ========================================== */

#stats-bar {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  white-space: nowrap;
}

#stats {
  display: flex;
  gap: 12px;
}
.stat-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}
.stat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stat-count {
  font-variant-numeric: tabular-nums;
}

#filter-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  color: var(--storm);
  font-size: 0.75rem;
  padding-left: 12px;
  border-left: 1.5px solid var(--sky);
}
#filter-toggle input {
  accent-color: var(--mint);
  width: 15px;
  height: 15px;
}

/* ==========================================
   Loading Overlay
   ========================================== */

#loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(26, 26, 46, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s;
}
#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-scene {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.float-icon {
  font-size: 2rem;
  color: var(--cloud);
  opacity: 0.9;
  animation: float-up 2.4s ease-in-out infinite;
}
@keyframes float-up {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { transform: translateY(-16px) scale(1.15); opacity: 1; }
}
.loading-text {
  color: var(--cloud);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  animation: pulse-text 1.5s ease-in-out infinite;
}
@keyframes pulse-text {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* ==========================================
   Weather Popup Card
   ========================================== */

.weather-popup {
  font-family: var(--font);
  padding: 16px 18px 14px;
  line-height: 1.5;
}

.weather-popup .popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}
.weather-popup .popup-header i {
  font-size: 1.6rem;
  color: var(--sun);
}
.weather-popup .popup-city {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.weather-popup .popup-province {
  font-size: 0.72rem;
  color: var(--storm);
  margin-bottom: 10px;
  margin-left: 30px;
}

.weather-popup .day-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.82rem;
}
.weather-popup .day-row:last-child {
  border-bottom: none;
}
.weather-popup .day-date {
  font-weight: 600;
  min-width: 42px;
  color: var(--ink);
}
.weather-popup .weather-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}
.weather-popup .weather-emoji {
  font-size: 1rem;
  flex-shrink: 0;
}
.weather-popup .day-condition {
  min-width: 32px;
  font-weight: 500;
}
.weather-popup .day-temp {
  color: var(--storm);
  font-size: 0.78rem;
  min-width: 60px;
  text-align: right;
}
.weather-popup .day-source {
  color: #ccc;
  font-size: 0.65rem;
}

.weather-popup .popup-summary {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1.5px solid #eee;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--storm);
}
.weather-popup .popup-summary .no-rain-count {
  color: var(--mint);
  font-weight: 700;
}
.weather-popup .popup-summary .rain-count {
  color: var(--coral);
  font-weight: 700;
}
.weather-popup .popup-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 4px 10px;
  background: linear-gradient(135deg, var(--mint), #7EDDD6);
  color: white;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
}

/* ==========================================
   Toast
   ========================================== */

#toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  font-family: var(--font);
  z-index: 9999;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: var(--shadow-md);
}
#toast.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(10px);
}

/* ==========================================
   Source Note
   ========================================== */

#source-note {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  text-align: center;
  padding: 3px;
  font-size: 0.65rem;
  color: var(--storm);
  background: var(--glass);
  backdrop-filter: blur(8px);
}
#source-note span { color: var(--coral); }

/* ==========================================
   Weather Trend Bar — compact gradient pill
   ========================================== */

.city-trend-marker {
  background: transparent !important;
  border: none !important;
}
.city-trend-pill {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  left: -50%;
  cursor: pointer;
}
/* The gradient bar itself */
.city-trend-pill .trend-bar {
  width: 54px;
  height: 10px;
  border-radius: 5px;
  box-shadow: 0 1px 4px rgba(26, 26, 46, 0.12), inset 0 1px 0 rgba(255,255,255,0.3);
  transition: box-shadow 0.18s ease;
}
.city-trend-pill:hover .trend-bar {
  box-shadow: 0 3px 10px rgba(26, 26, 46, 0.20), inset 0 1px 0 rgba(255,255,255,0.3);
}
/* Active-day indicator dot above the bar */
.city-trend-pill .trend-indicator {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--ink);
  margin-bottom: 2px;
  transition: margin-left 0.25s ease;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.15));
}
/* City label below the bar */
.city-trend-pill .trend-label {
  margin-top: 3px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--ink);
  text-shadow: 0 1px 0 white;
  white-space: nowrap;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  line-height: 1.2;
}

/* ==========================================
   No-rain pulse marker
   ========================================== */

@keyframes marker-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(78, 205, 196, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(78, 205, 196, 0); }
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 480px) {
  #search-panel {
    min-width: auto;
    left: 8px;
    right: 8px;
    transform: none;
    border-radius: var(--radius-md);
  }
  #slider-container {
    min-width: auto;
    left: 8px;
    right: 8px;
    transform: none;
    border-radius: var(--radius-md);
  }
  #stats-bar {
    left: 8px;
    right: 8px;
    transform: none;
    border-radius: var(--radius-md);
    flex-wrap: wrap;
    gap: 8px;
  }
  #header {
    left: 8px;
    right: 8px;
    transform: none;
    border-radius: var(--radius-md);
  }
}