/* =========================================
   AETHER WEATHER APP — style.css
   Lime Green & Black Theme
   ========================================= */

:root {
  --accent:       #aaff00;
  --accent-deep:  #7acc00;
  --accent-glow:  rgba(170, 255, 0, 0.30);
  --accent-soft:  rgba(170, 255, 0, 0.07);
  --glass:        rgba(170, 255, 0, 0.05);
  --glass-hover:  rgba(170, 255, 0, 0.10);
  --border:       rgba(170, 255, 0, 0.20);
  --border-soft:  rgba(170, 255, 0, 0.09);
  --text-main:    #eeffcc;
  --text-dim:     rgba(200, 255, 100, 0.55);
  --text-faint:   rgba(180, 255, 80, 0.32);
  --shadow:       rgba(0, 0, 0, 0.60);
  --ink:          #050800;
}

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

/* ── Body ── */
body {
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  background: #050800;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

/* =========================================
   ANIMATED BACKGROUND
   ========================================= */
.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(160deg, #020300 0%, #080f00 40%, #0f1a00 70%, #162200 100%);
  transition: background 1.5s ease;
}

.bg.sunny {
  background: linear-gradient(160deg, #030500 0%, #0a1200 35%, #142000 60%, #1e3000 100%);
}
.bg.cloudy {
  background: linear-gradient(160deg, #060600 0%, #0c0c00 40%, #111100 70%, #181800 100%);
}
.bg.rainy {
  background: linear-gradient(160deg, #020400 0%, #060c00 40%, #0a1200 70%, #0e1800 100%);
}
.bg.snowy {
  background: linear-gradient(160deg, #040500 0%, #0a0e00 40%, #121800 70%, #1c2400 100%);
}
.bg.night {
  background: linear-gradient(160deg, #010200 0%, #040600 40%, #060a00 70%, #0a1000 100%);
}

/* ── Floating glow orbs ── */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.20;
  animation: drift 12s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}
.orb1 { width: 420px; height: 420px; background: #aaff00; top: -120px; right: -120px; animation-delay: 0s; }
.orb2 { width: 320px; height: 320px; background: #44dd00; bottom: -60px; left: -90px; animation-delay: -5s; }
.orb3 { width: 260px; height: 260px; background: #ccff33; top: 40%; left: 8%; animation-delay: -9s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(28px, -18px) scale(1.05); }
  66%       { transform: translate(-18px, 28px) scale(0.95); }
}

/* ── Stars (night mode) ── */
.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transition: opacity 1.5s ease;
  pointer-events: none;
}
.stars.visible { opacity: 1; }

.star {
  position: absolute;
  background: #ccffaa;
  border-radius: 50%;
  animation: twinkle 3s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.12; }
  50%       { opacity: 0.85; }
}

/* ── Rain ── */
.rain-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.rain-container.visible { opacity: 1; }

.raindrop {
  position: absolute;
  top: -20px;
  width: 1.5px;
  background: linear-gradient(to bottom, transparent, rgba(150, 255, 50, 0.40));
  border-radius: 1px;
  animation: fall linear infinite;
}
@keyframes fall {
  to { transform: translateY(110vh); }
}

/* ── Snow ── */
.snow-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.snow-container.visible { opacity: 1; }

.snowflake {
  position: absolute;
  top: -10px;
  color: rgba(200, 255, 130, 0.65);
  animation: snowfall linear infinite;
}
@keyframes snowfall {
  to { transform: translateY(110vh) rotate(360deg); }
}

/* =========================================
   APP SHELL
   ========================================= */
.app {
  position: relative;
  z-index: 10;
  width: 420px;
  max-width: 95vw;
  animation: slideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================================
   SEARCH BAR
   ========================================= */
.search-wrap {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-input {
  flex: 1;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 14px 22px;
  color: var(--text-main);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.03em;
  outline: none;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.search-input::placeholder { color: var(--text-faint); }
.search-input:focus {
  border-color: rgba(170, 255, 0, 0.55);
  background: var(--glass-hover);
  box-shadow: 0 0 0 3px rgba(170, 255, 0, 0.08);
}

.search-btn {
  background: var(--accent);
  border: none;
  border-radius: 50px;
  padding: 14px 26px;
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}
.search-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 26px var(--accent-glow);
  background: #bbff22;
}
.search-btn:active { transform: scale(0.97); }

/* =========================================
   MAIN CARD
   ========================================= */
.card {
  background: var(--glass);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px 32px 28px;
  box-shadow:
    0 28px 65px var(--shadow),
    0 0 0 1px var(--border-soft) inset,
    0 1px 0 rgba(170, 255, 0, 0.15) inset;
  position: relative;
  overflow: hidden;
}

/* Top shimmer line */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(170, 255, 0, 0.55), transparent);
}

/* Bottom ambient glow */
.card::after {
  content: '';
  position: absolute;
  bottom: -40px; left: 20%; right: 20%;
  height: 80px;
  background: rgba(170, 255, 0, 0.06);
  filter: blur(30px);
  border-radius: 50%;
}

/* ── Unit toggle ── */
.unit-toggle {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: background 0.3s, box-shadow 0.3s;
  z-index: 2;
}
.unit-toggle:hover {
  background: rgba(170, 255, 0, 0.15);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* =========================================
   LOCATION + TIME ROW
   ========================================= */
.loc-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}

.location {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 38px;
  color: var(--accent);
  letter-spacing: 0.06em;
  line-height: 1;
  text-shadow: 0 0 30px var(--accent-glow), 0 2px 10px rgba(0,0,0,0.5);
}
.country {
  font-size: 12px;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 5px;
}

.time-block { text-align: right; }
.time-val {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 30px;
  color: var(--text-main);
  letter-spacing: 0.06em;
  line-height: 1;
}
.date-val {
  font-size: 11px;
  font-weight: 300;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  margin-top: 4px;
  text-transform: uppercase;
}

/* =========================================
   HERO ROW — big temp + icon
   ========================================= */
.hero-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.temp-giant {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 112px;
  line-height: 1;
  color: var(--text-main);
  text-shadow: 0 0 60px rgba(170, 255, 0, 0.15), 0 4px 30px rgba(0,0,0,0.5);
  position: relative;
}
.temp-giant sup {
  font-size: 36px;
  vertical-align: top;
  margin-top: 18px;
  color: var(--accent);
  opacity: 0.85;
}

.weather-icon-wrap {
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.weather-icon-wrap img {
  width: 100px;
  height: 100px;
  filter: drop-shadow(0 4px 24px var(--accent-glow));
  animation: iconFloat 4s ease-in-out infinite;
}
@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.condition-text {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  font-style: italic;
}
.feels-like {
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

/* =========================================
   DIVIDER
   ========================================= */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin-bottom: 22px;
}

/* =========================================
   STATS GRID
   ========================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat-item {
  background: var(--accent-soft);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 15px 10px;
  text-align: center;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
  cursor: default;
}
.stat-item:hover {
  background: rgba(170, 255, 0, 0.13);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(170, 255, 0, 0.10);
}

.stat-icon { font-size: 22px; margin-bottom: 8px; }
.stat-label {
  font-size: 9px;
  color: var(--text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.stat-val {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

/* =========================================
   AQI SECTION
   ========================================= */
.aqi-section {
  background: var(--accent-soft);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.aqi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.aqi-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.aqi-badge {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.aqi-track {
  height: 6px;
  background: rgba(170, 255, 0, 0.08);
  border-radius: 3px;
  overflow: hidden;
}
.aqi-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================
   MINI CARDS ROW
   ========================================= */
.uv-row {
  display: flex;
  gap: 10px;
}

.mini-card {
  flex: 1;
  background: var(--accent-soft);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 14px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background 0.3s, transform 0.2s;
  cursor: default;
}
.mini-card:hover {
  background: rgba(170, 255, 0, 0.12);
  transform: translateY(-2px);
}

.mini-icon { font-size: 24px; }
.mini-label {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 3px;
}
.mini-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

/* =========================================
   STATUS / LOADER / ERROR
   ========================================= */
.status-msg {
  text-align: center;
  padding: 44px 20px;
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.loader {
  width: 36px;
  height: 36px;
  border: 2px solid rgba(170, 255, 0, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
  box-shadow: 0 0 12px var(--accent-glow);
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-icon { font-size: 34px; margin-bottom: 10px; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 480px) {
  .card { padding: 26px 18px 20px; }
  .temp-giant { font-size: 88px; }
  .location { font-size: 30px; }
  .stats { gap: 8px; }
}