/* ═══════════════════════════════════════════════════
   ClimateDash 2.0 — Premium Styles
   Light mode DEFAULT · Dark mode via body.dark
═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ══════════════════════════════
   DESIGN TOKENS — LIGHT (default)
══════════════════════════════ */
:root {
  --bg:        #f0f4ff;
  --bg2:       #e8edf9;
  --surface:   #ffffff;
  --surface2:  #f4f7ff;
  --border:    rgba(91, 141, 239, 0.18);
  --border-h:  rgba(91, 141, 239, 0.45);
  --glow:      rgba(91, 141, 239, 0.12);
  --accent:    #3b6ef6;
  --accent2:   #7c3aed;
  --accent3:   #059669;
  --hot:       #ea580c;
  --cold:      #0284c7;
  --text:      #1e2d5a;
  --text-2:    #4a5980;
  --text-3:    #8a9abf;
  --success:   #059669;
  --warning:   #d97706;
  --danger:    #dc2626;
  --r:         14px;
  --r-sm:      10px;
  --r-lg:      20px;
  --shadow:    0 4px 20px rgba(59, 110, 246, 0.1);
  --shadow-lg: 0 12px 40px rgba(59, 110, 246, 0.14);
  /* orb colors for light */
  --orb1: rgba(91,141,239,0.10);
  --orb2: rgba(124,58,237,0.07);
  --orb3: rgba(5,150,105,0.06);
}

/* ══════════════════════════════
   DARK MODE TOKENS — body.dark
══════════════════════════════ */
body.dark {
  --bg:        #060912;
  --bg2:       #0a0f1e;
  --surface:   rgba(14, 20, 38, 0.85);
  --surface2:  rgba(18, 27, 55, 0.92);
  --border:    rgba(99, 140, 255, 0.13);
  --border-h:  rgba(99, 140, 255, 0.38);
  --glow:      rgba(99, 140, 255, 0.18);
  --accent:    #5b8def;
  --accent2:   #a78bfa;
  --accent3:   #34d399;
  --hot:       #f97316;
  --cold:      #38bdf8;
  --text:      #eef2ff;
  --text-2:    #94a3c4;
  --text-3:    #4e6080;
  --success:   #34d399;
  --warning:   #fbbf24;
  --danger:    #f87171;
  --shadow:    0 8px 32px rgba(0,0,0,0.45);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.55);
  --orb1: rgba(91,141,239,0.18);
  --orb2: rgba(167,139,250,0.13);
  --orb3: rgba(52,211,153,0.09);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background 0.4s, color 0.3s;
}

/* ── Aurora orbs ── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 22s ease-in-out infinite alternate;
  transition: background 0.4s;
}
.orb-1 {
  width: 700px; height: 500px;
  top: -200px; left: -150px;
  background: radial-gradient(ellipse, var(--orb1) 0%, transparent 70%);
  animation-delay: 0s;
}
.orb-2 {
  width: 600px; height: 600px;
  top: 30%; right: -200px;
  background: radial-gradient(ellipse, var(--orb2) 0%, transparent 70%);
  animation-delay: -7s;
}
.orb-3 {
  width: 500px; height: 400px;
  bottom: -100px; left: 30%;
  background: radial-gradient(ellipse, var(--orb3) 0%, transparent 70%);
  animation-delay: -14s;
}
@keyframes orbFloat {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(40px,30px) scale(1.08); }
}

/* ── Layout shell ── */
.shell {
  position: relative; z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 28px 64px;
}

/* ══════════════════════════════
   HEADER
══════════════════════════════ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 14px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  overflow: hidden;
  box-shadow: 0 0 24px rgba(91,141,239,0.4);
  flex-shrink: 0;
}
.brand-icon svg { width: 100%; height: 100%; display: block; }
.brand-text h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1;
  color: var(--text);
}
.brand-text h1 span { color: var(--accent); }
.brand-text p { color: var(--text-2); font-size: 0.77rem; margin-top: 4px; }

.topbar-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* Search bar */
.search-wrap {
  display: flex; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,110,246,0.14);
}
.search-icon { width:15px; height:15px; color:var(--text-3); margin-left:10px; flex-shrink:0; }
.search-input {
  background: transparent; border: none; outline: none;
  color: var(--text); font-size: 0.81rem; font-family: inherit;
  padding: 8px 10px; width: 190px;
}
.search-input::placeholder { color: var(--text-3); }
.search-btn {
  background: var(--accent); border: none; color: #fff;
  font-size: 0.78rem; font-weight: 600; font-family: inherit;
  padding: 8px 14px; cursor: pointer; transition: opacity 0.15s; white-space: nowrap;
}
.search-btn:hover { opacity: 0.88; }

/* Unit toggle */
.unit-toggle {
  display: flex; align-items: center; gap: 4px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 7px 13px;
  color: var(--text-2); font-size: 0.81rem; font-weight: 600;
  font-family: inherit; cursor: pointer; transition: border-color 0.2s;
}
.unit-toggle:hover { border-color: var(--accent); }
.unit-opt { color: var(--text-3); transition: color 0.2s; }
.unit-opt.active { color: var(--accent); }
.unit-sep { color: var(--text-3); }

/* Theme toggle button */
.theme-toggle {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-sm); padding: 6px 13px;
  color: var(--text-2); font-size: 0.81rem; font-weight: 600;
  font-family: inherit; cursor: pointer;
  transition: border-color 0.2s, background 0.3s, color 0.3s;
  white-space: nowrap;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-icon { font-size: 1rem; line-height: 1; transition: transform 0.4s; }
.theme-toggle:hover .theme-icon { transform: rotate(20deg); }

/* Live badge */
.live-badge {
  display: flex; align-items: center; gap: 7px;
  background: rgba(5,150,105,0.08); border: 1px solid rgba(5,150,105,0.22);
  border-radius: 999px; padding: 6px 13px;
  font-size: 0.77rem; font-weight: 600; color: var(--success); white-space: nowrap;
}
body.dark .live-badge {
  background: rgba(52,211,153,0.08); border-color: rgba(52,211,153,0.22);
}
.live-dot {
  width: 7px; height: 7px; background: var(--success); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); box-shadow: 0 0 0 0 rgba(5,150,105,0.5); }
  50%      { opacity:0.65; transform:scale(0.82); box-shadow: 0 0 0 5px transparent; }
}
body.dark .live-dot { animation: pulseDark 2s ease-in-out infinite; }
@keyframes pulseDark {
  0%,100% { opacity:1; transform:scale(1); box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50%      { opacity:0.65; transform:scale(0.82); box-shadow: 0 0 0 5px transparent; }
}

/* ══════════════════════════════
   REFRESH STRIP
══════════════════════════════ */
.refresh-strip {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 8px 16px;
  font-size: 0.77rem; color: var(--text-3); margin-bottom: 24px;
  gap: 12px; flex-wrap: wrap;
}
.refresh-strip-left { display: flex; align-items: center; gap: 7px; }
.refresh-strip-left strong { color: var(--accent); font-weight: 700; }
.refresh-strip-right { display: flex; align-items: center; gap: 12px; }
.refresh-btn-small {
  display: flex; align-items: center; gap: 6px;
  background: rgba(59,110,246,0.08); border: 1px solid rgba(59,110,246,0.22);
  border-radius: 8px; padding: 5px 12px; color: var(--accent);
  font-size: 0.77rem; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: background 0.15s, transform 0.15s;
}
.refresh-btn-small:hover { background: rgba(59,110,246,0.16); transform: translateY(-1px); }
.refresh-btn-small.loading { opacity: 0.6; pointer-events: none; }
.refresh-btn-small.loading svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════
   SECTION LABELS / HEADERS
══════════════════════════════ */
.section-label {
  font-size: 0.67rem; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 11px;
}
.section-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px; gap: 12px; flex-wrap: wrap;
}
.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.18rem; font-weight: 700;
  letter-spacing: -0.3px; line-height: 1; color: var(--text);
}
.section-sub { font-size: 0.74rem; color: var(--text-3); margin-top: 5px; }
.header-actions { display: flex; align-items: center; gap: 9px; }

/* Sort select */
.sort-select {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text-2);
  font-size: 0.77rem; font-family: inherit;
  padding: 7px 11px; cursor: pointer; outline: none;
  transition: border-color 0.2s;
}
.sort-select:hover, .sort-select:focus { border-color: var(--accent); }
.sort-select option { background: var(--surface); color: var(--text); }

/* Chart tabs */
.chart-tabs {
  display: flex; gap: 3px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px;
}
.chart-tab {
  background: transparent; border: none; border-radius: 6px;
  color: var(--text-3); font-size: 0.77rem; font-weight: 600;
  font-family: inherit; padding: 5px 14px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.chart-tab.active { background: var(--accent); color: #fff; }

/* ══════════════════════════════
   STAT CARDS — 8 in one row
══════════════════════════════ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 14px 12px;
  position: relative; overflow: hidden; cursor: default;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  animation: slideUp 0.4s ease both;
  box-shadow: var(--shadow);
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-h);
  box-shadow: var(--shadow-lg);
}
.stat-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.6) 0%, transparent 60%);
  pointer-events: none;
}
body.dark .stat-card::before {
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
}
.stat-card::after {
  content: ''; position: absolute;
  top: -30px; right: -30px;
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--glow); filter: blur(28px); pointer-events: none;
}

.stat-top {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 8px;
}
.stat-city {
  font-size: 0.62rem; color: var(--text-3); font-weight: 700;
  letter-spacing: 0.8px; text-transform: uppercase;
}
.stat-emoji { font-size: 1.2rem; line-height: 1; }
.stat-temp {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem; font-weight: 700;
  line-height: 1; margin-bottom: 4px;
  transition: color 0.4s; letter-spacing: -1px;
}
.stat-desc { font-size: 0.67rem; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-remove {
  position: absolute; top: 7px; right: 7px;
  width: 18px; height: 18px;
  background: rgba(220,38,38,0.1); border: 1px solid rgba(220,38,38,0.25);
  border-radius: 50%; color: var(--danger); font-size: 0.6rem;
  cursor: pointer; display: none; align-items: center; justify-content: center;
  transition: background 0.15s; z-index: 2;
}
.stat-card:hover .stat-remove { display: flex; }
.stat-remove:hover { background: rgba(220,38,38,0.22); }

/* ══════════════════════════════
   CITY DETAIL CARDS
══════════════════════════════ */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px; margin-bottom: 32px;
}
.city-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 22px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden; cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  animation: slideUp 0.5s ease both;
}
.city-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.55) 0%, transparent 55%);
  pointer-events: none;
}
body.dark .city-card::before {
  background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, transparent 55%);
}
.city-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-h);
  box-shadow: var(--shadow-lg);
}
.city-card.weather-hot { --card-accent: rgba(234,88,12,0.07); }
.city-card.weather-warm { --card-accent: rgba(217,119,6,0.06); }
.city-card.weather-cool { --card-accent: rgba(2,132,199,0.07); }
.city-card.weather-rain { --card-accent: rgba(99,102,241,0.07); }
.city-card:hover::after {
  content: ''; position: absolute; inset: 0;
  background: var(--card-accent, rgba(59,110,246,0.04));
  pointer-events: none;
}

.city-card-head {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 18px;
}
.city-card-head-left { display: flex; align-items: center; gap: 9px; }
.city-flag { font-size: 1.3rem; }
.city-name { font-family:'Space Grotesk',sans-serif; font-size:0.95rem; font-weight:700; color:var(--text); }
.city-region { font-size:0.68rem; color:var(--text-3); margin-top:1px; }

.badge {
  font-size: 0.63rem; font-weight: 700;
  padding: 3px 9px; border-radius: 999px;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.badge-live { background:rgba(5,150,105,0.1); color:var(--success); border:1px solid rgba(5,150,105,0.25); }
.badge-err  { background:rgba(220,38,38,0.1); color:var(--danger); border:1px solid rgba(220,38,38,0.25); }
body.dark .badge-live { background:rgba(52,211,153,0.12); border-color:rgba(52,211,153,0.25); }
body.dark .badge-err  { background:rgba(248,113,113,0.12); border-color:rgba(248,113,113,0.25); }

.city-main-row {
  display: flex; align-items: flex-end;
  justify-content: space-between; margin-bottom: 4px;
}
.city-big-temp {
  font-family:'Space Grotesk',sans-serif;
  font-size: 3.2rem; font-weight: 700;
  line-height: 1; letter-spacing: -2px; transition: color 0.4s;
}
.city-weather-icon { font-size: 2.4rem; line-height: 1; }

.city-cond { font-size:0.83rem; font-weight:500; color:var(--text); margin-bottom:2px; }
.city-extra { font-size:0.71rem; color:var(--text-2); margin-bottom:14px; }

.city-metrics {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 7px; margin-bottom: 13px;
}
.metric-pill {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 5px; text-align: center;
}
.metric-pill-val {
  font-size: 0.84rem; font-weight: 700; color: var(--text);
  font-family:'Space Grotesk',sans-serif;
}
.metric-pill-label {
  font-size: 0.6rem; color: var(--text-3); margin-top: 2px;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.city-footer {
  font-size: 0.67rem; color: var(--text-3); padding-top: 11px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.city-remove-btn {
  background: transparent; border: none; color: var(--text-3);
  font-size: 0.67rem; cursor: pointer; padding: 0;
  font-family: inherit; transition: color 0.15s;
}
.city-remove-btn:hover { color: var(--danger); }

/* ══════════════════════════════
   CHARTS — fully reworked
══════════════════════════════ */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
  align-items: start;
}

.chart-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px 22px 18px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.chart-panel::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.5) 0%, transparent 50%);
  pointer-events: none; z-index: 0;
}
body.dark .chart-panel::before {
  background: linear-gradient(145deg, rgba(255,255,255,0.02) 0%, transparent 50%);
}

.chart-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; position: relative; z-index: 1;
}
.chart-panel-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.73rem; color: var(--text-2);
  font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
}
.chart-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.dot-temp     { background: #ea580c; }
.dot-humidity { background: var(--accent); }
.dot-wind     { background: var(--accent2); }
.dot-vis      { background: var(--accent3); }

.chart-badge {
  font-size: 0.68rem; font-weight: 600; color: var(--text-3);
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 9px;
}

/* Canvas wrapper — gives chart a fixed height and prevents overflow */
.canvas-wrap {
  position: relative; z-index: 1;
  width: 100%; height: 210px;
  flex-shrink: 0;
}
.canvas-wrap canvas {
  position: absolute !important;
  top: 0; left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* ── Humidity bar panel ── */
.humidity-list {
  display: flex; flex-direction: column;
  gap: 14px; position: relative; z-index: 1;
  padding: 4px 0;
}
.hum-row { display: flex; flex-direction: column; gap: 5px; }
.hum-label-row {
  display: flex; justify-content: space-between; font-size: 0.77rem;
}
.hum-label-row span:first-child { color: var(--text-2); font-weight: 500; }
.hum-label-row span:last-child  { color: var(--text-3); font-weight: 700; }
.hum-bar-bg {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 999px; height: 8px; overflow: hidden;
}
.hum-bar-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 0%;
}

/* ══════════════════════════════
   SKELETON LOADING
══════════════════════════════ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface2) 25%,
    rgba(59,110,246,0.08) 50%,
    var(--surface2) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px; color: transparent !important; user-select: none;
}
body.dark .skeleton {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.05) 25%,
    rgba(91,141,239,0.09) 50%,
    rgba(255,255,255,0.05) 75%
  );
  background-size: 200% 100%;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ══════════════════════════════
   TOAST NOTIFICATIONS
══════════════════════════════ */
#toast-container {
  position: fixed; bottom: 26px; right: 26px;
  display: flex; flex-direction: column; gap: 9px; z-index: 1000;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 11px 16px;
  font-size: 0.81rem; color: var(--text); box-shadow: var(--shadow);
  animation: toastIn 0.3s ease both; max-width: 300px;
  backdrop-filter: blur(20px);
}
.toast.success { border-color: rgba(5,150,105,0.35); }
.toast.error   { border-color: rgba(220,38,38,0.35); }
.toast.info    { border-color: rgba(59,110,246,0.35); }
.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast-out  { animation: toastOut 0.3s ease forwards; }
@keyframes toastIn  { from { opacity:0; transform: translateX(18px); } }
@keyframes toastOut { to   { opacity:0; transform: translateX(18px); } }

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer { border-top: 1px solid var(--border); padding-top: 18px; margin-top: 6px; }
.footer-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; color: var(--text-3); font-size: 0.74rem; flex-wrap: wrap;
}
.footer-inner a { color: var(--accent); text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }
.footer-divider { opacity: 0.35; }

/* ══════════════════════════════
   ANIMATIONS
══════════════════════════════ */
@keyframes slideUp {
  from { opacity:0; transform: translateY(18px); }
  to   { opacity:1; transform: translateY(0); }
}
.stat-card:nth-child(1) { animation-delay:0.04s; }
.stat-card:nth-child(2) { animation-delay:0.08s; }
.stat-card:nth-child(3) { animation-delay:0.12s; }
.stat-card:nth-child(4) { animation-delay:0.16s; }
.stat-card:nth-child(5) { animation-delay:0.20s; }
.stat-card:nth-child(6) { animation-delay:0.24s; }
.stat-card:nth-child(7) { animation-delay:0.28s; }
.stat-card:nth-child(8) { animation-delay:0.32s; }
.city-card:nth-child(1) { animation-delay:0.06s; }
.city-card:nth-child(2) { animation-delay:0.12s; }
.city-card:nth-child(3) { animation-delay:0.18s; }
.city-card:nth-child(4) { animation-delay:0.24s; }
.city-card:nth-child(5) { animation-delay:0.30s; }
.city-card:nth-child(6) { animation-delay:0.36s; }
.city-card:nth-child(7) { animation-delay:0.42s; }
.city-card:nth-child(8) { animation-delay:0.48s; }

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
/* Stats row: 8 → 4 → 2 columns */
@media (max-width: 1280px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
  .city-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: 1fr; }
  .shell { padding: 16px 14px 48px; }
  .search-input { width: 145px; }
}
@media (max-width: 480px) {
  .brand-text h1 { font-size: 1.35rem; }
  .topbar-controls { gap: 7px; }
}