/* ====== Reset & Base ====== */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-start: #0f2027;
  --bg-end: #2c5364;
  --card-bg: rgba(255,255,255,0.12);
  --card-bg-hover: rgba(255,255,255,0.22);
  --text-main: #ffffff;
  --muted: rgba(255,255,255,0.8);
  --accent: #00e0ff;
  --accent-2: #7c4dff;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

body.theme-auto {
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  color: var(--text-main);
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  display: flex;
  flex-direction: column;
}

/* Weather-driven background themes (optional classes set by JS) */
body.bg-clear { --bg-start:#0f2027; --bg-end:#2c5364; }
body.bg-clouds { --bg-start:#283048; --bg-end:#859398; }
body.bg-rain { --bg-start:#16222A; --bg-end:#3A6073; }
body.bg-snow { --bg-start:#74ebd5; --bg-end:#ACB6E5; }
body.bg-thunder { --bg-start:#141e30; --bg-end:#243b55; }
body.bg-drizzle { --bg-start:#232526; --bg-end:#414345; }

/* ====== Layout ====== */
.navbar {
  position: sticky; top: 0;
  display: flex; gap: 2rem; justify-content: center;
  padding: 1rem 1.2rem;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  z-index: 10;
}
.navbar a {
  color: #fff; text-decoration: none; font-weight: 600;
  padding-bottom: 4px; border-bottom: 2px solid transparent;
}
.navbar a.active, .navbar a:hover { border-color: #fff; }

.header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 2rem;
}
.subtitle { color: var(--muted); margin-top: 6px; }
.clock { font-variant-numeric: tabular-nums; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem 3rem; width: 100%; }
.panel { margin-top: 1.5rem; }
.section-title { margin-bottom: 1rem; font-size: 1.2rem; letter-spacing: 0.3px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.highlights-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.footer {
  padding: 1rem 2rem;
  opacity: 0.8;
}

/* ====== Cards & Elements ====== */
.card {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); background: var(--card-bg-hover); border-color: rgba(255,255,255,0.35); }

.card .city { font-size: 1.1rem; font-weight: 700; }
.card .temp { font-size: 2rem; margin: 6px 0; }
.card .desc { text-transform: capitalize; color: var(--muted); }
.card .meta { display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .6rem;
    margin-top: .75rem;
    margin-bottom: 0.75rem;
    font-size: .95rem; }
.card .meta div { background: rgba(255,255,255,0.08); padding: .5rem .6rem; border-radius: 12px; }

.weather-icon { width: 72px; height: 72px; display:block; margin: 0 auto; }

/* Forecast grid */
.forecast-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .75rem;
}
.forecast-card {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px;
  padding: .75rem;
  text-align: center;
}
.forecast-date { font-size: .95rem; margin-bottom: .5rem; opacity: .9; }
.forecast-temp { font-size: 1.2rem; margin-top: .25rem; }

/* Buttons */
.btn-primary, .btn-secondary {
  border: none; cursor: pointer; padding: .7rem 1rem; border-radius: 12px; font-weight: 700;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}
.btn-secondary {
  background: rgba(255,255,255,0.14);
  color: #fff; border: 1px solid rgba(255,255,255,0.25);
}
.btn-icon { display:flex; align-items:center; gap:.5rem; }

/* Search box + suggestions */
.search-box { position: relative; display:flex; gap:.6rem; align-items: center; }
.search-box input {
  flex: 1; padding: .8rem 1rem; border-radius: 12px; border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.25); color:#fff; outline:none;
}
.suggestions {
  position: absolute; top: 100%; left: 0; right: 0;
  list-style: none; 
  background: rgba(0,0,0,0.55);
   /* border: 1px solid rgba(255,255,255,0.15); */
  border-radius: 12px; margin-top: .35rem; z-index: 5; max-height: 240px; overflow:auto;
}
.suggestions li { padding: .6rem .8rem; cursor: pointer; }
.suggestions li:hover { background: rgba(255,255,255,0.12); }

.chips { list-style:none; display:flex; flex-wrap:wrap; gap:.5rem; }
.chips li {
  background: rgba(255,255,255,0.14); padding:.45rem .7rem; border-radius:999px; cursor:pointer; border:1px solid rgba(255,255,255,0.2);
}

/* Quick links */
.quick-links .quick-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap:1rem; }
.quick-card {
  display:block; text-align:left; padding:1rem; border-radius:14px; border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1); backdrop-filter: blur(16px); color:#fff; text-decoration:none;
}
.quick-card:hover { background: rgba(255,255,255,0.2); }
.quick-card-title { font-weight:700; }
.quick-card-desc { opacity:.9; margin-top:.25rem; }

/* Compare */
.compare-box { display:flex; gap:.6rem; align-items:center; flex-wrap: wrap; }
.comparison { margin-top: 1rem; display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: .75rem; }

/* Styled selects for compare cities */
#city1, #city2 {
  padding: 0.7rem 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.25);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  box-shadow: var(--shadow);
  appearance: none;
}
#city1:focus, #city2:focus {
  border-color: var(--accent);
  background: rgba(0,224,255,0.12);
}
#city1 option, #city2 option {
  color: #222;
  background: #fff;
}

/* Responsive */
@media (max-width: 820px) {
  .header { flex-direction: column; gap: 1rem; align-items: flex-start; }
}