/* ============================================================
   Atmos Weather App — style.css
   ============================================================ */

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

/* ── CSS Variables (default / fallback) ── */
:root {
  --bg1: #1a2a6c;
  --bg2: #b21f1f;
  --bg3: #fdbb2d;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.22);
  --text: #fff;
  --sub: rgba(255, 255, 255, 0.72);
  --accent: #ffe57a;
  --card-shadow: 0 8px 40px rgba(0, 0, 0, 0.28);
  --blur: blur(18px);
  --trans: 1.2s cubic-bezier(.4, 0, .2, 1);
}

/* ── Base Body ── */
body {
  font-family: 'Outfit', sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg1), var(--bg2), var(--bg3));
  background-size: 400% 400%;
  animation: bgShift 18s ease infinite;
  color: var(--text);
  transition: background 1.5s ease;
  overflow-x: hidden;
}

@keyframes bgShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Weather Theme Classes ── */
body.sunny  { --bg1:#0f5fa8; --bg2:#1e90e8; --bg3:#6ec6ff; }
body.cloudy { --bg1:#3a3f5c; --bg2:#5a6070; --bg3:#9098b0; }
body.rainy  { --bg1:#1a2340; --bg2:#2c3a5e; --bg3:#4a6080; }
body.stormy { --bg1:#0d0d1a; --bg2:#1a1a2e; --bg3:#2d2d44; }
body.night  { --bg1:#050a1a; --bg2:#0d1533; --bg3:#1a2550; }

body.snowy {
  --bg1: #c8d8e8; --bg2: #dde8f0; --bg3: #eef3f8;
  --text: #1a2a3a;
  --sub: rgba(20, 40, 70, 0.7);
  --glass: rgba(255, 255, 255, 0.35);
  --glass-border: rgba(255, 255, 255, 0.6);
  --accent: #2563eb;
  color: #1a2a3a;
}

body.foggy {
  --bg1: #8090a0; --bg2: #a0b0c0; --bg3: #c8d5df;
  --text: #1a2a3a;
  --sub: rgba(20, 40, 70, 0.7);
  --glass: rgba(255, 255, 255, 0.3);
  --glass-border: rgba(255, 255, 255, 0.5);
  --accent: #2563eb;
  color: #1a2a3a;
}

/* ── Star Overlay (night theme) ── */
.stars {
  display: none;
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
body.night .stars { display: block; }

.star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  animation: twinkle 3s infinite alternate;
}

@keyframes twinkle {
  from { opacity: .2; }
  to   { opacity: 1; }
}

/* ── App Container ── */
.app {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 28px 18px 60px;
  min-height: 100vh;
}

/* ── Animations ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Branding ── */
.brand {
  text-align: center;
  margin-bottom: 28px;
  animation: fadeDown .7s ease both;
}
.brand h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 2.6rem;
  letter-spacing: -.5px;
  color: var(--text);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}
.brand h1 span {
  color: var(--accent);
  font-style: italic;
}
.brand p {
  font-size: .82rem;
  color: var(--sub);
  font-weight: 300;
  margin-top: 2px;
}

/* ── Search Bar ── */
.search-wrap {
  position: relative;
  margin-bottom: 22px;
  animation: fadeDown .8s .1s ease both;
}
.search-row {
  display: flex;
  gap: 10px;
}
.search-input {
  flex: 1;
  padding: 14px 18px;
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 14px;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  outline: none;
  transition: border .25s, box-shadow .25s;
  box-shadow: var(--card-shadow);
}
.search-input::placeholder { color: var(--sub); }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 229, 122, .15), var(--card-shadow);
}

.locate-btn {
  padding: 14px 16px;
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 14px;
  cursor: pointer;
  color: var(--text);
  font-size: 1.2rem;
  transition: background .2s, transform .15s;
  box-shadow: var(--card-shadow);
}
.locate-btn:hover { background: rgba(255, 255, 255, .22); transform: scale(1.05); }

.search-btn {
  padding: 14px 22px;
  background: var(--accent);
  color: #1a1200;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  transition: opacity .2s, transform .15s;
  box-shadow: 0 4px 20px rgba(255, 229, 122, .3);
}
.search-btn:hover  { opacity: .88; transform: scale(1.03); }
.search-btn:active { transform: scale(.97); }

/* ── Autocomplete Dropdown ── */
.autocomplete {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: rgba(15, 25, 60, 0.92);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 14px;
  overflow: hidden;
  z-index: 100;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .4);
  display: none;
}
body.snowy .autocomplete,
body.foggy .autocomplete { background: rgba(220, 235, 250, 0.95); }

.autocomplete.open {
  display: block;
  animation: fadeIn .18s ease;
}
.ac-item {
  padding: 12px 18px;
  cursor: pointer;
  font-size: .9rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .15s;
}
body.snowy .ac-item,
body.foggy .ac-item {
  color: #1a2a3a;
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}
.ac-item:last-child { border: none; }
.ac-item:hover      { background: rgba(255, 255, 255, .12); }
.ac-item .ac-name   { font-weight: 500; }
.ac-item .ac-region { font-size: .78rem; color: var(--sub); }

/* ── Main Weather Card ── */
.main-card {
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 24px;
  padding: 30px 28px;
  box-shadow: var(--card-shadow);
  margin-bottom: 18px;
  animation: fadeUp .7s .2s ease both;
  transition: all var(--trans);
}

.loc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.loc-pin  { font-size: 1.1rem; }
.loc-text { font-size: 1rem; font-weight: 500; color: var(--sub); }
.loc-text strong { color: var(--text); font-weight: 600; }

.time-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .13);
  font-size: .72rem;
  color: var(--sub);
  margin-left: 8px;
  vertical-align: middle;
}

.weather-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.temp-main {
  font-size: 5.5rem;
  font-weight: 200;
  line-height: 1;
  font-family: 'DM Serif Display', serif;
  letter-spacing: -2px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.22);
}
.weather-icon-big {
  font-size: 5rem;
  line-height: 1;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, .25));
}
.condition-label {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--sub);
  margin-bottom: 4px;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 4px;
}
@media (min-width: 420px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 560px) { .stats-grid { grid-template-columns: repeat(6, 1fr); } }

.stat-box {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 10px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .1);
  transition: transform .2s;
}
.stat-box:hover { transform: translateY(-2px); }
.stat-icon  { font-size: 1.3rem; margin-bottom: 4px; }
.stat-val   { font-size: 1rem; font-weight: 600; }
.stat-label { font-size: .68rem; color: var(--sub); font-weight: 400; }

/* ── Section Title ── */
.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Hourly Forecast ── */
.hourly-wrap {
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 20px;
  padding: 22px 20px;
  box-shadow: var(--card-shadow);
  margin-bottom: 18px;
  animation: fadeUp .7s .35s ease both;
}
.hourly-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, .2) transparent;
}
.hourly-scroll::-webkit-scrollbar        { height: 4px; }
.hourly-scroll::-webkit-scrollbar-thumb  { background: rgba(255, 255, 255, .2); border-radius: 4px; }

.hour-card {
  flex: 0 0 68px;
  background: rgba(255, 255, 255, .08);
  border-radius: 14px;
  padding: 10px 6px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .1);
  transition: transform .2s, background .2s;
}
.hour-card:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .16); }
.hour-card.now  { background: rgba(255, 229, 122, .18); border-color: var(--accent); }
.hour-time { font-size: .68rem; color: var(--sub); margin-bottom: 4px; }
.hour-icon { font-size: 1.4rem; margin-bottom: 4px; }
.hour-temp { font-size: .92rem; font-weight: 600; }
.hour-prec { font-size: .62rem; color: #7dd3fc; margin-top: 2px; }

/* ── 7-Day Daily Forecast ── */
.daily-wrap {
  background: var(--glass);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: 20px;
  padding: 22px 20px;
  box-shadow: var(--card-shadow);
  animation: fadeUp .7s .5s ease both;
}
.day-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  transition: background .15s;
  border-radius: 10px;
}
.day-row:last-child { border: none; }
.day-row:hover      { background: rgba(255, 255, 255, .07); }

.day-name { width: 68px; font-size: .9rem; font-weight: 500; }
.day-icon { font-size: 1.5rem; text-align: center; }
.day-cond { flex: 1; font-size: .8rem; color: var(--sub); margin: 0 10px; }

.day-bar {
  flex: 2;
  margin: 0 10px;
  height: 5px;
  background: rgba(255, 255, 255, .12);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.day-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #60a5fa, #f97316);
}

.day-temps { display: flex; gap: 8px; font-size: .88rem; }
.day-hi    { font-weight: 600; }
.day-lo    { color: var(--sub); font-weight: 300; }

/* ── State Boxes (loading / error / empty) ── */
.state-box {
  text-align: center;
  padding: 50px 20px;
  animation: fadeIn .5s ease;
}
.state-icon { font-size: 3rem; margin-bottom: 12px; }
.state-msg  { font-size: 1rem; color: var(--sub); }

.spinner {
  width: 38px; height: 38px;
  border: 3px solid rgba(255, 255, 255, .2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 14px;
}
@keyframes spin { to { transform: rotate(360deg); } }