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

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --wc-bg:           #F5F7FA;
  --wc-card:         #FFFFFF;
  --wc-border:       #E2E8F0;
  --wc-text:         #1E293B;
  --wc-muted:        #64748B;
  --wc-accent:       #2563EB;
  --wc-accent-dark:  #1D4ED8;
  --wc-accent-light: #DBEAFE;
  --wc-green:        #16A34A;
  --wc-radius:       14px;
  --wc-radius-sm:    8px;
  --wc-shadow:       0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.05);
  --wc-font:         'Inter', system-ui, sans-serif;
  --wc-transition:   0.18s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --wc-bg:           #0F172A;
    --wc-card:         #1E293B;
    --wc-border:       #334155;
    --wc-text:         #E2E8F0;
    --wc-muted:        #94A3B8;
    --wc-accent:       #60A5FA;
    --wc-accent-dark:  #3B82F6;
    --wc-accent-light: #1E3A5F;
    --wc-shadow:       0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.2);
  }
}

/* ── RESET ──────────────────────────────────────────────── */
#wc24-app *, #wc24-app *::before, #wc24-app *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}

#wc24-app {
  font-family: var(--wc-font);
  color: var(--wc-text);
  background: var(--wc-bg);
  min-height: 100vh;
  padding: 0 16px 64px;
  max-width: 840px;
  margin: 0 auto;
}

.wc24-sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── WARNING BANNER ─────────────────────────────────────── */
.wc24-alert-banner {
  border-radius: var(--wc-radius-sm);
  padding: 14px 18px;
  margin-bottom: 16px;
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.5;
}

.wc24-alert-banner.extreme {
  animation: wc24-pulse 1.5s ease-in-out infinite;
}

@keyframes wc24-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.8; }
}

.wc24-alert-validity {
  font-size: 0.82rem;
  opacity: 0.85;
  margin-top: 4px;
}

.wc24-alert-link {
  color: #fff;
  font-size: 0.82rem;
  margin-top: 4px;
  display: inline-block;
  text-decoration: underline;
}

/* ── HERO ────────────────────────────────────────────────── */
.wc24-hero {
  text-align: center;
  padding: 48px 0 36px;
  background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 40%, #0EA5E9 100%);
  border-radius: var(--wc-radius);
  margin-bottom: 24px;
  padding: 48px 24px 36px;
}

.wc24-h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.wc24-subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* ── SEARCH INPUT ───────────────────────────────────────── */
.wc24-input-row {
  display: flex;
  gap: 8px;
  max-width: 560px;
  margin: 0 auto 12px;
}

#wc24-city {
  flex: 1;
  height: 52px;
  padding: 0 18px;
  font-size: 1rem;
  font-family: var(--wc-font);
  border: none;
  border-radius: var(--wc-radius-sm);
  outline: none;
  background: #fff;
  color: #1E293B;
  min-width: 0;
}

#wc24-city:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.4); }
#wc24-city::placeholder { color: #94A3B8; }

#wc24-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 52px;
  padding: 0 20px;
  background: #fff;
  color: var(--wc-accent);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--wc-font);
  border: none;
  border-radius: var(--wc-radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--wc-transition), transform var(--wc-transition);
}

#wc24-btn svg { width: 18px; height: 18px; }
#wc24-btn:hover  { background: #F1F5F9; }
#wc24-btn:active { transform: scale(0.97); }
#wc24-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.wc24-geo-btn {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  font-family: var(--wc-font);
  font-size: 0.88rem;
  padding: 8px 16px;
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--wc-transition);
}

.wc24-geo-btn:hover { background: rgba(255,255,255,0.25); }

/* ── ERROR ──────────────────────────────────────────────── */
.wc24-error {
  margin-top: 12px;
  padding: 10px 16px;
  background: rgba(220,38,38,0.15);
  border: 1px solid rgba(220,38,38,0.4);
  border-radius: var(--wc-radius-sm);
  color: #fff;
  font-size: 0.9rem;
}

/* ── RECENT CITIES ──────────────────────────────────────── */
.wc24-recent {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.wc24-recent-label { font-size: 0.8rem; color: rgba(255,255,255,0.7); }

#wc24-recent-list {
  display: flex;
  gap: 6px;
  list-style: none;
  flex-wrap: wrap;
}

#wc24-recent-list li button {
  font-size: 0.78rem;
  padding: 4px 12px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 99px;
  cursor: pointer;
  font-family: var(--wc-font);
  transition: background var(--wc-transition);
}

#wc24-recent-list li button:hover { background: rgba(255,255,255,0.3); }

/* ── SKELETON ───────────────────────────────────────────── */
.wc24-skeleton { margin-top: 8px; }

.wc24-skel-card {
  background: var(--wc-card);
  border-radius: var(--wc-radius);
  padding: 28px;
  box-shadow: var(--wc-shadow);
}

.wc24-skel {
  background: var(--wc-border);
  border-radius: 6px;
  animation: wc24-shimmer 1.4s ease-in-out infinite;
}

.wc24-skel-title { height: 20px; width: 40%; margin-bottom: 16px; }
.wc24-skel-temp  { height: 64px; width: 30%; margin-bottom: 16px; }
.wc24-skel-line  { height: 14px; width: 100%; margin-bottom: 10px; }
.wc24-skel-line.short { width: 65%; }

@keyframes wc24-shimmer {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

@media (prefers-reduced-motion: reduce) { .wc24-skel { animation: none; } }

/* ── CURRENT WEATHER CARD ───────────────────────────────── */
.wc24-current {
  background: var(--wc-card);
  border-radius: var(--wc-radius);
  padding: 28px;
  box-shadow: var(--wc-shadow);
  margin-bottom: 16px;
}

.wc24-current-top {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.wc24-city-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--wc-text);
  margin-bottom: 4px;
}

.wc24-temp-main {
  font-size: clamp(3.5rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--wc-accent);
  line-height: 1;
  letter-spacing: -0.03em;
}

.wc24-weather-icon { width: 80px; height: 80px; margin-left: auto; }

.wc24-desc { font-size: 1rem; color: var(--wc-muted); text-transform: capitalize; }
.wc24-feels { font-size: 0.88rem; color: var(--wc-muted); margin-top: 4px; }

.wc24-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--wc-border);
}

.wc24-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.wc24-meta-label { font-size: 0.75rem; color: var(--wc-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.wc24-meta-value { font-size: 0.95rem; font-weight: 500; color: var(--wc-text); }

.wc24-updated {
  font-size: 0.75rem;
  color: var(--wc-muted);
  margin-top: 14px;
  text-align: right;
}

/* ── FORECAST ────────────────────────────────────────────── */
.wc24-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--wc-text);
  margin-bottom: 12px;
}

.wc24-forecast {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.wc24-day-card {
  background: var(--wc-card);
  border-radius: var(--wc-radius);
  padding: 16px 10px;
  text-align: center;
  box-shadow: var(--wc-shadow);
}

.wc24-day-name { font-size: 0.8rem; font-weight: 600; color: var(--wc-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.wc24-day-icon { width: 48px; height: 48px; margin: 0 auto 8px; display: block; }
.wc24-day-temps { font-size: 0.95rem; font-weight: 600; color: var(--wc-text); margin-bottom: 6px; }
.wc24-day-min { color: var(--wc-muted); font-weight: 400; }

.wc24-rain-bar-wrap {
  background: var(--wc-border);
  border-radius: 4px;
  height: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}

.wc24-rain-bar { height: 4px; background: var(--wc-accent); border-radius: 4px; }
.wc24-rain-pct { font-size: 0.72rem; color: var(--wc-muted); }
.wc24-day-gust { font-size: 0.72rem; color: var(--wc-muted); margin-top: 4px; }

/* ── AIR QUALITY ─────────────────────────────────────────── */
.wc24-air {
  background: var(--wc-card);
  border-radius: var(--wc-radius);
  padding: 20px 24px;
  box-shadow: var(--wc-shadow);
  margin-bottom: 16px;
}

.wc24-aqi-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.wc24-aqi-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.wc24-aqi-desc { font-size: 0.85rem; color: var(--wc-muted); }

.wc24-air-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 10px;
}

.wc24-air-item {
  background: var(--wc-bg);
  border-radius: var(--wc-radius-sm);
  padding: 10px;
  text-align: center;
}

.wc24-air-val { font-size: 1.1rem; font-weight: 600; color: var(--wc-text); }
.wc24-air-lbl { font-size: 0.72rem; color: var(--wc-muted); margin-top: 2px; }

/* ── FAQ ─────────────────────────────────────────────────── */
.wc24-faq {
  margin-top: 40px;
  border-top: 1px solid var(--wc-border);
  padding-top: 32px;
}

.wc24-faq h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; color: var(--wc-text); }

.wc24-faq-item { border-bottom: 1px solid var(--wc-border); padding: 16px 0; }

.wc24-faq-q {
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--wc-text);
  user-select: none;
}

.wc24-faq-q::after { content: '+'; font-size: 1.2rem; font-weight: 400; color: var(--wc-muted); flex-shrink: 0; }
.wc24-faq-item.open .wc24-faq-q::after { content: '−'; }
.wc24-faq-a { font-size: 0.88rem; color: var(--wc-muted); line-height: 1.7; margin-top: 10px; display: none; }
.wc24-faq-item.open .wc24-faq-a { display: block; }

/* ── FOOTER ATTRIBUTION ──────────────────────────────────── */
.wc24-attribution {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--wc-border);
  font-size: 0.78rem;
  color: var(--wc-muted);
  text-align: center;
  line-height: 2;
}

.wc24-attribution a { color: var(--wc-accent); text-decoration: none; }
.wc24-attribution a:hover { text-decoration: underline; }

/* ── AD SLOT ────────────────────────────────────────────── */
.wc24-ad-slot { margin: 24px 0; min-height: 50px; text-align: center; }

/* ── MOBILE ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .wc24-input-row { flex-direction: column; }
  #wc24-btn { width: 100%; justify-content: center; }
  .wc24-forecast { grid-template-columns: repeat(3, 1fr); overflow-x: auto; }
  .wc24-meta-grid { grid-template-columns: 1fr 1fr; }
  .wc24-hero { padding: 32px 16px 28px; }
  .wc24-current { padding: 20px; }
}

@media (max-width: 380px) {
  .wc24-forecast { grid-template-columns: repeat(2, 1fr); }
}