/* ── 1. VARIABLES & RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --glass-bg:     rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.18);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.18);
  --text-primary:   rgba(255,255,255,0.96);
  --text-secondary: rgba(255,255,255,0.65);
  --text-muted:     rgba(255,255,255,0.40);
  --accent:      #7DF9C2;
  --accent-warm: #FFB347;
  --accent-cool: #7EC8E3;
  --transition:  all 0.4s cubic-bezier(0.23,1,0.32,1);
  --grad-a: #1a1a2e;
  --grad-b: #16213e;
  --grad-c: #0f3460;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text-primary);
  background: var(--grad-a);
  transition: background 1.2s ease;
}

/* ── 2. BACKGROUND ── */
#bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}

.bg-gradient {
  position: fixed; inset: 0; z-index: 0;
  background: linear-gradient(135deg, var(--grad-a) 0%, var(--grad-b) 50%, var(--grad-c) 100%);
  transition: background 2s ease;
}

/* ── 3. LAYOUT & GRID ── */
#app {
  position: relative; z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  min-height: 100vh;
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 769px) {
  .main-grid { grid-template-columns: 1fr 1fr; }
  .span-2    { grid-column: span 2; }
}

@media (min-width: 1025px) {
  .main-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .span-2    { grid-column: span 2; }
  .span-3    { grid-column: span 3; }
}

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

/* ── 4. HEADER & SEARCH ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 0.5rem;
}
.logo span { color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 0.6rem; }

.search-row {
  display: flex; align-items: center; gap: 0.6rem;
  flex: 1; max-width: 480px;
}

.search-wrap { position: relative; flex: 1; }

.search-input {
  width: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem 0.75rem 2.8rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(125,249,194,0.15);
}

.search-icon {
  position: absolute; left: 0.9rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); font-size: 1rem; pointer-events: none;
}

.btn-icon {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 50%;
  width: 2.6rem; height: 2.6rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-primary);
  font-size: 1rem; transition: var(--transition); flex-shrink: 0;
}
.btn-icon:hover { background: var(--accent); color: #000; border-color: var(--accent); transform: scale(1.08); }
.btn-icon.active { background: var(--accent); color: #000; border-color: var(--accent); }

.unit-toggle {
  display: flex;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  padding: 3px; gap: 2px;
}
.unit-btn {
  border: none; background: transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.78rem; font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.unit-btn.active { background: var(--accent); color: #000; }

/* Suggestions dropdown */
.suggestions {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: rgba(15,20,40,0.92);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-md);
  overflow: hidden; z-index: 100;
  max-height: 200px; overflow-y: auto;
  display: none;
  animation: fadeSlideIn 0.2s ease;
}
.suggestions.open { display: block; }

.suggestion-item {
  padding: 0.7rem 1rem; cursor: pointer;
  font-size: 0.9rem; color: var(--text-secondary);
  transition: background 0.2s;
  display: flex; align-items: center; gap: 0.6rem;
}
.suggestion-item:hover { background: rgba(125,249,194,0.1); color: var(--text-primary); }

/* Recent searches */
.recent-label {
  font-size: 0.72rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.recent-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }

.recent-chip {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem; cursor: pointer;
  color: var(--text-secondary); transition: var(--transition);
}
.recent-chip:hover { background: rgba(125,249,194,0.12); color: var(--text-primary); border-color: var(--accent); }
.recent-chip .x { margin-left: 0.4rem; color: var(--text-muted); }
.recent-chip .x:hover { color: red; }

/* Voice status */
.voice-status {
  display: none; font-size: 0.8rem;
  color: var(--accent); margin-top: 0.25rem; text-align: center;
}
.voice-status.show { display: block; }

/* ── 5. GLASS CARD ── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  transition: var(--transition);
  animation: fadeSlideIn 0.5s ease both;
}
.glass-card:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0,0,0,0.25); }

.section-title {
  font-family: var(--font-display);
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1rem;
}

/* Smart tip */
.smart-tip {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(125,249,194,0.08);
  border: 1px solid rgba(125,249,194,0.2);
  border-radius: var(--radius-md);
  font-size: 0.9rem; color: var(--text-secondary);
}
.tip-icon { font-size: 1.4rem; flex-shrink: 0; }
.tip-text em { color: var(--accent); font-style: normal; font-weight: 600; }

/* ── 6. WEATHER HERO ── */
.weather-hero {
  padding: 2rem; position: relative; overflow: hidden;
}
.weather-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(125,249,194,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-location {
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.3rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.hero-city {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; line-height: 1.1; margin-bottom: 0.25rem;
}
.hero-date { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }

.hero-temp-row {
  display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem;
}
.hero-temp-wrap { display: flex; align-items: flex-start; gap: 0.3rem; }

.hero-temp {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 800; line-height: 1; letter-spacing: -0.04em;
}
.hero-unit {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 400;
  color: var(--text-muted); margin-top: 0.5rem;
}
.hero-weather-icon {
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  filter: drop-shadow(0 0 20px rgba(255,255,255,0.2));
  animation: float 3s ease-in-out infinite;
  margin-left: auto;
}
.hero-condition {
  font-size: 1.1rem; color: var(--text-secondary);
  margin-bottom: 1.5rem; font-weight: 300; font-style: italic;
}

.hero-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.75rem; }
.hero-stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 0.75rem; text-align: center;
}
.hero-stat-label {
  font-size: 0.7rem; color: var(--text-muted);
  letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.3rem;
}
.hero-stat-value { font-family: var(--font-display); font-size: 1rem; font-weight: 700; }

/* Extra stat cards */
.extra-stats-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 0.75rem; }
.extra-stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 1rem; display: flex; flex-direction: column; gap: 0.3rem;
}
.extra-stat-label { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.extra-stat-value { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; }
.esv-sm           { font-size: 1.1rem; }
.extra-stat-note  { font-size: 0.78rem; color: var(--text-secondary); }

/* ── 7. FORECAST & HOURLY ── */
.forecast-scroll,
.hourly-scroll {
  display: flex; gap: 0.75rem;
  overflow-x: auto; padding-bottom: 0.5rem;
  scrollbar-width: none;
}
.forecast-scroll::-webkit-scrollbar,
.hourly-scroll::-webkit-scrollbar { display: none; }

.forecast-card {
  flex: 0 0 auto;
  width: clamp(80px, 18vw, 100px);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 0.9rem 0.6rem; text-align: center;
  transition: var(--transition); cursor: pointer;
}
.forecast-card:hover,
.forecast-card.active {
  background: rgba(125,249,194,0.12);
  border-color: rgba(125,249,194,0.3);
  transform: translateY(-3px);
}
.fc-day  { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.fc-icon { font-size: 1.8rem; margin-bottom: 0.4rem; display: block; }
.fc-high { font-family: var(--font-display); font-size: 1rem; font-weight: 700; }
.fc-low  { font-size: 0.8rem; color: var(--text-muted); }

.hourly-chip {
  flex: 0 0 auto;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 0.5rem 0.9rem; text-align: center;
  min-width: 64px; transition: var(--transition); cursor: pointer;
}
.hourly-chip:hover,
.hourly-chip.active {
  background: rgba(125,249,194,0.12);
  border-color: rgba(125,249,194,0.3);
}
.hc-time { font-size: 0.7rem; color: var(--text-muted); }
.hc-icon { font-size: 1.2rem; display: block; margin: 0.2rem 0; }
.hc-temp { font-family: var(--font-display); font-size: 0.88rem; font-weight: 700; }

/* ── 8. CHARTS & MAP ── */
.chart-wrap { position: relative; height: 160px; }

#map {
  height: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── 9. WIND COMPASS ── */
.wind-compass {
  width: 60px; height: 60px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.15);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.5rem;
}
.wind-arrow {
  width: 3px; height: 24px;
  background: linear-gradient(180deg, var(--accent), transparent);
  border-radius: 2px;
  transform-origin: bottom center;
  position: absolute; bottom: 50%; left: 50%;
  transform: translateX(-50%) rotate(0deg);
  transition: transform 1s ease;
}
.compass-dot {
  width: 6px; height: 6px; background: white;
  border-radius: 50%; position: absolute; z-index: 1;
}
.compass-n {
  font-size: 0.55rem; color: var(--text-muted);
  position: absolute; top: 4px; left: 50%; transform: translateX(-50%);
}
.wind-speed-val  { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; }
.wind-dir-label  { font-size: 0.75rem; color: var(--text-muted); }

/* ── 10. LOADING / ERROR / EMPTY ── */
.loading-overlay {
  display: none; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem; padding: 3rem; text-align: center;
}
.loading-overlay.show { display: flex; }

.spinner {
  width: 3rem; height: 3rem;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-text { color: var(--text-muted); font-size: 0.9rem; }

.error-box {
  display: none; align-items: center; gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: rgba(255,80,80,0.1);
  border: 1px solid rgba(255,80,80,0.2);
  border-radius: var(--radius-md);
  color: #ff8080; margin-bottom: 1rem; font-size: 0.9rem;
}
.error-box.show { display: flex; }

.empty-state { text-align: center; padding: 5rem 1rem; animation: fadeSlideIn 0.5s ease; }
.empty-icon  { font-size: 5rem; margin-bottom: 1rem; animation: float 3s ease-in-out infinite; }
.empty-title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin-bottom: 0.5rem; }
.empty-sub   { color: var(--text-muted); font-size: 0.9rem; }

/* ── 11. ANIMATIONS ── */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%,100% { opacity: 0.5; }
  50%     { opacity: 0.9; }
}

/* ── 12. LIGHT THEME ── */
body.light {
  --glass-bg:       rgba(255,255,255,0.45);
  --glass-border:   rgba(0,0,0,0.10);
  --glass-shadow:   0 8px 32px rgba(0,0,0,0.10);
  --text-primary:   rgba(10,10,30,0.95);
  --text-secondary: rgba(10,10,30,0.60);
  --text-muted:     rgba(10,10,30,0.35);
  --accent: #0a8f60;
  background: #e8edf5;
}
body.light .bg-gradient {
  background: linear-gradient(135deg, #c9d8f0 0%, #dce8f7 50%, #e8f0fa 100%);
}
body.light .search-input { color: rgba(10,10,30,0.9); }
body.light .suggestions  { background: rgba(230,236,248,0.97); }
body.light .suggestion-item { color: rgba(10,10,30,0.7); }
body.light .suggestion-item:hover { background: rgba(10,143,96,0.08); color: rgba(10,10,30,0.95); }

/* ── 13. RESPONSIVE ── */
@media (max-width: 480px) {
  #app { padding: 1rem 0.9rem 2.5rem; }
  header { flex-direction: column; align-items: stretch; }
  .search-row { max-width: 100%; }
}

@media (min-width: 1025px) {
  #map { height: 280px; }
  .chart-wrap { height: 180px; }
}