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

/* ===== THEME VARIABLES ===== */
:root {
  --accent1: #38bdf8;
  --accent2: #0ea5e9;
  --orb1: #1e3a5f;
  --orb2: #0c4a6e;
  --bg: #060d1a;
  --card-bg: rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.10);
  --text: #f0f4ff;
  --text-muted: rgba(240,244,255,0.55);
  --glow: rgba(56,189,248,0.18);
  --transition: 1.2s cubic-bezier(0.4,0,0.2,1);
}

/* FREEZING: deep violet-indigo */
body.theme-freezing {
  --accent1: #a78bfa;
  --accent2: #7c3aed;
  --orb1: #1e1040;
  --orb2: #2e1065;
  --bg: #080612;
  --glow: rgba(139,92,246,0.22);
}

/* COLD: crisp blue-cyan */
body.theme-cold {
  --accent1: #67e8f9;
  --accent2: #06b6d4;
  --orb1: #083344;
  --orb2: #164e63;
  --bg: #040e14;
  --glow: rgba(103,232,249,0.18);
}

/* MILD: calm teal-green */
body.theme-mild {
  --accent1: #6ee7b7;
  --accent2: #10b981;
  --orb1: #052e16;
  --orb2: #064e3b;
  --bg: #020b08;
  --glow: rgba(110,231,183,0.18);
}

/* WARM: golden amber */
body.theme-warm {
  --accent1: #fbbf24;
  --accent2: #f59e0b;
  --orb1: #451a03;
  --orb2: #78350f;
  --bg: #110800;
  --glow: rgba(251,191,36,0.20);
}

/* HOT: fiery red-orange */
body.theme-hot {
  --accent1: #fb923c;
  --accent2: #ef4444;
  --orb1: #4c0519;
  --orb2: #7f1d1d;
  --bg: #130301;
  --glow: rgba(251,146,60,0.22);
}

/* SCORCHING: intense magenta-red */
body.theme-scorching {
  --accent1: #f43f5e;
  --accent2: #e11d48;
  --orb1: #500724;
  --orb2: #881337;
  --bg: #160208;
  --glow: rgba(244,63,94,0.25);
}

/* ===== BASE ===== */
html { height: 100%; }

body {
  min-height: 100vh;
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  background: var(--bg);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* ===== ATMOSPHERIC BACKGROUND ===== */
.bg-layer {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--orb1) 0%, transparent 70%),
              radial-gradient(ellipse 60% 80% at 80% 100%, var(--orb2) 0%, transparent 60%);
  transition: background var(--transition);
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  transition: background var(--transition), transform 0.8s ease;
  z-index: 0;
}

.orb1 {
  width: 500px;
  height: 500px;
  background: var(--glow);
  top: -120px;
  right: -100px;
  animation: float1 12s ease-in-out infinite;
}

.orb2 {
  width: 400px;
  height: 400px;
  background: var(--glow);
  bottom: 0;
  left: -80px;
  opacity: 0.3;
  animation: float2 15s ease-in-out infinite;
}

@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,40px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-30px)} }

.noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
  pointer-events: none;
  z-index: 1;
}

/* ===== LAYOUT ===== */
.app {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ===== SEARCH ===== */
.search-zone {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
}

.search-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 0 16px;
  backdrop-filter: blur(20px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.search-wrapper:focus-within {
  border-color: var(--accent1);
  box-shadow: 0 0 0 3px var(--glow);
}

.search-ico {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 10px;
  transition: color 0.3s;
}

.search-wrapper:focus-within .search-ico { color: var(--accent1); }

#cityInput {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  padding: 16px 0;
  letter-spacing: 0.02em;
}

#cityInput::placeholder { color: var(--text-muted); }

.spin {
  width: 16px;
  height: 16px;
  border: 2px solid var(--card-border);
  border-top-color: var(--accent1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn-search {
  background: var(--accent1);
  color: #000;
  border: none;
  border-radius: 14px;
  padding: 16px 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.3s, transform 0.15s, box-shadow 0.3s;
  white-space: nowrap;
  box-shadow: 0 0 20px var(--glow);
}

.btn-search:hover {
  background: var(--accent2);
  transform: scale(1.03);
  box-shadow: 0 0 30px var(--glow);
}

#suggestions {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 100%;
  background: rgba(10,10,20,0.92);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(24px);
  z-index: 100;
}

.suggestion-item {
  padding: 14px 18px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.2s;
}

.suggestion-item:hover { background: rgba(255,255,255,0.07); }
.suggestion-item:last-child { border-bottom: none; }

.suggestion-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.suggestion-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ===== QUICK CITIES ===== */
.quick-cities {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.quick-cities button {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  color: var(--text-muted);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 400;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.02em;
}

.quick-cities button:hover {
  border-color: var(--accent1);
  color: var(--accent1);
  background: var(--glow);
}

/* ===== RECENT ===== */
.recent-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.recent-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 600;
}

#recentContainer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.recent-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  color: var(--text-muted);
  font-size: 12px;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.recent-item:hover {
  background: var(--glow);
  border-color: var(--accent1);
  color: var(--text);
}

/* ===== HERO CARD ===== */
.hero-card {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 44px 48px;
  margin-bottom: 18px;
  backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
  box-shadow: 0 0 60px var(--glow);
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 60%);
  border-radius: inherit;
  pointer-events: none;
}

.hero-left { flex: 1; }

.city-name {
  font-family: 'DM Serif Display', serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--accent1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.condition-text {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.temp-display {
  font-family: 'DM Serif Display', serif;
  font-size: 100px;
  font-weight: 400;
  line-height: 1;
  color: var(--text);
  letter-spacing: -4px;
  margin-bottom: 16px;
  transition: all 0.5s;
}

.feels-row {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 300;
}

.feels-row span:last-child {
  color: var(--accent1);
  font-weight: 500;
  transition: color var(--transition);
}

.hero-right {
  text-align: right;
  flex-shrink: 0;
}

.weather-icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 0 24px var(--glow));
  transition: filter var(--transition);
  animation: iconFloat 4s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.temp-range {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
  font-weight: 300;
}

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px 20px;
  text-align: center;
  backdrop-filter: blur(16px);
  transition: all 0.3s;
  cursor: default;
}

.stat-card:hover {
  border-color: var(--accent1);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--glow);
}

.stat-card svg {
  width: 22px;
  height: 22px;
  color: var(--accent1);
  margin-bottom: 12px;
  transition: color var(--transition);
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 8px;
}

.stat-val {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.5px;
}

/* ===== VIBE BAR ===== */
.vibe-bar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 22px 28px;
  margin-bottom: 18px;
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  gap: 24px;
}

.vibe-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent1);
  min-width: 90px;
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

.vibe-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  position: relative;
  overflow: visible;
}

.vibe-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #67e8f9, var(--accent1), var(--accent2));
  transition: width 1s cubic-bezier(0.4,0,0.2,1), background 1s;
  width: 0%;
}

.vibe-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent1);
  border: 2px solid rgba(0,0,0,0.5);
  box-shadow: 0 0 12px var(--glow);
  transition: left 1s cubic-bezier(0.4,0,0.2,1), background var(--transition), box-shadow var(--transition);
  left: 0%;
}

/* ===== FORECAST ===== */
.forecast-section { }

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 14px;
}

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.forecast-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 28px 20px;
  text-align: center;
  backdrop-filter: blur(16px);
  transition: all 0.3s;
  cursor: default;
}

.forecast-card:hover {
  border-color: var(--accent1);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--glow);
}

.fc-day {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 16px;
}

.fc-date {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 300;
}

.forecast-card img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px var(--glow));
  margin-bottom: 12px;
  transition: filter var(--transition);
}

.fc-condition {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 12px;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fc-temp {
  font-family: 'DM Serif Display', serif;
  font-size: 32px;
  color: var(--text);
  letter-spacing: -1px;
}

.fc-minmax {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 300;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 680px) {
  .app { padding: 24px 16px 60px; }

  .hero-card { padding: 32px 28px; flex-direction: column; gap: 20px; }
  .temp-display { font-size: 72px; }
  .weather-icon { width: 90px; height: 90px; }
  .hero-right { text-align: left; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .forecast-grid { grid-template-columns: 1fr; }

  .search-zone { flex-wrap: wrap; }
  .btn-search { width: 100%; text-align: center; }
}