:root {
  --bg: #030816;
  --bg-top: #06152a;
  --panel: rgba(3, 15, 39, 0.66);
  --panel-strong: rgba(6, 19, 46, 0.8);
  --panel-border: rgba(147, 197, 253, 0.14);
  --text: #e8f1ff;
  --muted: #a6b8d8;
  --primary: #7dd3fc;
  --primary-strong: #4fc3ff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 34px;
  --scene-filter: saturate(1.1);
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(53, 111, 255, 0.18), transparent 30%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 100%);
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.12);
  pointer-events: none;
  z-index: -1;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at 50% 35%, rgba(255,255,255,0.34), transparent 35%);
}

body[data-weather="thunderstorm"]::after {
  animation: stormflash 8s linear infinite;
}

button,
input { font: inherit; }

.weather-scene {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  filter: var(--scene-filter);
}

.scene-gradient,
.scene-glow,
.scene-layer,
.weather-particles,
.scene-starfield,
.scene-sun-moon,
.storm-flash {
  position: absolute;
  inset: 0;
}

.scene-gradient {
  background:
    radial-gradient(circle at 20% 20%, rgba(125, 211, 252, 0.16), transparent 28%),
    radial-gradient(circle at 80% 15%, rgba(59, 130, 246, 0.22), transparent 30%),
    linear-gradient(180deg, rgba(3, 15, 39, 0.2), rgba(2, 6, 23, 0.7));
}

.scene-starfield {
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 34% 12%, rgba(255,255,255,0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 58% 20%, rgba(255,255,255,0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 76% 14%, rgba(255,255,255,0.65) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 26%, rgba(255,255,255,0.75) 0 1px, transparent 2px);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.scene-sun-moon::before {
  content: "";
  position: absolute;
  top: 9%;
  right: 10%;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 224, 138, 0.95), rgba(245, 158, 11, 0.85));
  box-shadow: 0 0 80px rgba(245, 158, 11, 0.4);
  opacity: 0.88;
  transition: all 0.45s ease;
}

body[data-daytime="night"] .scene-sun-moon::before {
  width: 88px;
  height: 88px;
  top: 11%;
  right: 11%;
  background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.94), rgba(191, 219, 254, 0.76));
  box-shadow: 0 0 60px rgba(191, 219, 254, 0.24);
}

body[data-daytime="night"] .scene-starfield { opacity: 0.85; }

.scene-glow {
  filter: blur(60px);
  opacity: 0.85;
  transition: transform 0.4s ease, opacity 0.4s ease, background 0.4s ease;
}

.scene-glow-one {
  top: 8%;
  left: 8%;
  width: 36vw;
  height: 36vw;
  max-width: 520px;
  max-height: 520px;
  background: rgba(59, 130, 246, 0.26);
}

.scene-glow-two {
  top: auto;
  bottom: 5%;
  right: 4%;
  width: 34vw;
  height: 34vw;
  max-width: 480px;
  max-height: 480px;
  background: rgba(125, 211, 252, 0.18);
}

.scene-layer {
  background-repeat: no-repeat;
  transition: transform 0.35s ease, opacity 0.35s ease, background 0.4s ease;
  opacity: 0.88;
}

.scene-layer-back {
  background:
    radial-gradient(circle at 10% 80%, rgba(125, 211, 252, 0.1), transparent 14%),
    radial-gradient(circle at 72% 78%, rgba(59, 130, 246, 0.16), transparent 18%),
    linear-gradient(180deg, transparent 50%, rgba(4, 20, 49, 0.52) 100%);
}

.scene-layer-mid {
  background:
    radial-gradient(80% 40% at 50% 105%, rgba(13, 71, 161, 0.55), transparent 58%),
    radial-gradient(55% 30% at 15% 100%, rgba(8, 47, 73, 0.8), transparent 60%),
    radial-gradient(55% 30% at 85% 100%, rgba(8, 47, 73, 0.7), transparent 60%);
  opacity: 0.75;
}

.scene-layer-front {
  background:
    radial-gradient(70% 30% at 50% 118%, rgba(0, 0, 0, 0.6), transparent 58%),
    linear-gradient(180deg, transparent 56%, rgba(1, 5, 16, 0.34) 100%);
  opacity: 0.92;
}

body[data-weather="clear"] .scene-glow-one { background: rgba(125, 211, 252, 0.22); }
body[data-weather="clear"] .scene-glow-two { background: rgba(59, 130, 246, 0.2); }

body[data-weather="clouds"] .scene-gradient {
  background:
    radial-gradient(circle at 18% 18%, rgba(226, 232, 240, 0.12), transparent 26%),
    radial-gradient(circle at 82% 18%, rgba(148, 163, 184, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.3), rgba(2, 6, 23, 0.82));
}

body[data-weather="rain"] .scene-gradient,
body[data-weather="drizzle"] .scene-gradient,
body[data-weather="thunderstorm"] .scene-gradient {
  background:
    radial-gradient(circle at 15% 18%, rgba(56, 189, 248, 0.08), transparent 24%),
    radial-gradient(circle at 80% 20%, rgba(125, 211, 252, 0.1), transparent 26%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.36), rgba(1, 7, 20, 0.88));
}

body[data-weather="snow"] .scene-gradient {
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.14), transparent 28%),
    radial-gradient(circle at 82% 20%, rgba(191, 219, 254, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(30, 41, 59, 0.24), rgba(2, 6, 23, 0.86));
}

body[data-weather="mist"] .scene-gradient,
body[data-weather="fog"] .scene-gradient,
body[data-weather="haze"] .scene-gradient {
  background:
    linear-gradient(180deg, rgba(51, 65, 85, 0.35), rgba(2, 6, 23, 0.85)),
    radial-gradient(circle at 50% 28%, rgba(148, 163, 184, 0.1), transparent 30%);
}

.weather-particles { overflow: hidden; }
.weather-particles span {
  position: absolute;
  display: block;
  border-radius: 999px;
  opacity: 0;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

body[data-weather="rain"] .weather-particles span,
body[data-weather="drizzle"] .weather-particles span,
body[data-weather="thunderstorm"] .weather-particles span {
  width: 2px;
  height: 72px;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(125, 211, 252, 0.9));
  animation-name: rainfall;
}

body[data-weather="snow"] .weather-particles span {
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, rgba(255,255,255,0.95), rgba(191,219,254,0.68));
  animation-name: snowfall;
}

body[data-weather="clear"] .weather-particles span,
body[data-weather="clouds"] .weather-particles span,
body[data-weather="mist"] .weather-particles span,
body[data-weather="fog"] .weather-particles span,
body[data-weather="haze"] .weather-particles span {
  width: 160px;
  height: 52px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.16), rgba(255,255,255,0.04));
  filter: blur(2px);
  animation-name: drift;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
}

.tilt-surface {
  transform-style: preserve-3d;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
  will-change: transform;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
  padding: 42px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(125,211,252,0.12), rgba(59,130,246,0.06) 38%, transparent 72%);
  pointer-events: none;
}

.eyebrow,.section-eyebrow,.chip-label {
  margin: 0 0 12px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 800;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.1rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-copy {
  max-width: 740px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
}

.hero-chip-row { display: grid; gap: 14px; }
.hero-chip {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-chip strong { font-size: 1rem; }

.dashboard-grid {
  display: grid;
  grid-template-columns: 430px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.search-panel,.current-weather,.hourly-section,.forecast-section,.empty-state { padding: 30px; }
.panel-header h2,.history-header h3,.section-heading-row h2,.current-main h2,.empty-state h2 {
  margin: 0;
  letter-spacing: -0.03em;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}
.panel-header p,.status-message,.section-subtitle,.current-subtitle,.empty-state p,.history-list p,.metric-label,.forecast-meta,.hourly-time,.hourly-label { color: var(--muted); }
.panel-header p,.current-subtitle,.empty-state p,.section-subtitle { margin: 12px 0 0; line-height: 1.55; }

.search-form { display: grid; gap: 14px; margin-top: 26px; }
.input-shell {
  padding: 1px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.28), rgba(125, 211, 252, 0.03));
}
.search-form input {
  width: 100%;
  padding: 18px 20px;
  border: 0;
  border-radius: 21px;
  background: rgba(4, 13, 33, 0.92);
  color: var(--text);
  font-size: 1.15rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.search-form input::placeholder { color: #8da2c8; }
.search-form input:focus { outline: none; box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.12); }
.search-form button,.history-button,.text-button { cursor: pointer; }
.search-form button {
  padding: 18px 20px;
  border: 0;
  border-radius: 22px;
  font-size: 1rem;
  font-weight: 800;
  color: #031120;
  background: linear-gradient(135deg, #8ad7ff, #44beff);
  box-shadow: 0 18px 40px rgba(79,195,255,0.3);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}
.search-form button:hover,.search-form button:focus-visible,.history-button:hover,.history-button:focus-visible,.text-button:hover,.text-button:focus-visible { transform: translateY(-1px); }
.search-form button:disabled { opacity: 0.72; cursor: not-allowed; }
.status-message { min-height: 24px; margin: 14px 0 0; font-size: 0.98rem; }

.history-header,.section-heading-row,.current-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.history-header { margin-top: 26px; }
.history-list { display: grid; gap: 12px; margin-top: 16px; }
.history-button {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  text-align: left;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.history-button:hover,.history-button:focus-visible { outline: none; background: rgba(255,255,255,0.08); border-color: rgba(125,211,252,0.22); }
.text-button { padding: 0; border: 0; background: transparent; color: var(--primary); font-weight: 700; }
.weather-column { display: grid; gap: 28px; }
.empty-state { display: grid; min-height: 296px; place-items: center; text-align: center; }
.empty-state-inner { max-width: 560px; }
.current-weather { overflow: hidden; }
.current-top { align-items: flex-start; margin-bottom: 26px; }
.current-main { display: flex; flex-direction: column; gap: 14px; }
.location-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.current-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(125,211,252,0.12);
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
}
.current-summary { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.current-icon-wrap {
  width: 110px;
  height: 110px;
  display: grid;
  place-items: center;
  border-radius: 30px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
.current-icon-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 45%, rgba(255,255,255,0.18), transparent 60%);
}
.current-icon-wrap img { width: 96px; height: 96px; filter: drop-shadow(0 10px 20px rgba(0,0,0,0.24)); }
.current-icon-wrap.condition-clear { box-shadow: 0 0 60px rgba(250, 204, 21, 0.08) inset; }
.current-icon-wrap.condition-rain,.current-icon-wrap.condition-drizzle,.current-icon-wrap.condition-thunderstorm { box-shadow: 0 0 60px rgba(56, 189, 248, 0.08) inset; }
.current-icon-wrap.condition-snow { box-shadow: 0 0 60px rgba(191, 219, 254, 0.1) inset; }
.temperature-block { display: flex; flex-direction: column; gap: 4px; }
.current-temp { font-size: clamp(3rem, 7vw, 5rem); font-weight: 800; line-height: 0.95; letter-spacing: -0.06em; }
.current-desc { font-size: 1.15rem; color: var(--muted); }
.metric-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 16px; }
.metric-card,.hourly-card,.forecast-card {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.metric-card { border-radius: 22px; padding: 18px; }
.metric-label { display: block; margin-bottom: 8px; font-size: 0.9rem; }
.metric-value { margin: 0; font-size: 1.12rem; font-weight: 700; }
.hourly-strip { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 14px; margin-top: 22px; }
.hourly-card,.forecast-card { border-radius: 22px; padding: 16px; }
.hourly-card { text-align: center; }
.hourly-time { margin: 0; font-size: 0.92rem; }
.hourly-card img,.forecast-card img { width: 58px; height: 58px; }
.hourly-temp { margin: 10px 0 4px; font-size: 1.15rem; font-weight: 700; }
.hourly-label { margin: 0; font-size: 0.92rem; }
.forecast-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; margin-top: 22px; }
.forecast-day { margin: 0; font-size: 1.05rem; }
.forecast-meta { margin: 4px 0 12px; font-size: 0.9rem; }
.forecast-range,.forecast-detail { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; font-size: 0.95rem; }
.forecast-range strong,.forecast-detail strong { color: var(--text); }
.hidden { display: none !important; }
.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;
}

@keyframes rainfall {
  0% { transform: translate3d(0,-12vh,0) rotate(12deg); opacity: 0; }
  15% { opacity: 0.8; }
  100% { transform: translate3d(-7vw,118vh,0) rotate(12deg); opacity: 0; }
}
@keyframes snowfall {
  0% { transform: translate3d(0,-10vh,0); opacity: 0; }
  15% { opacity: 0.9; }
  100% { transform: translate3d(8vw,112vh,0); opacity: 0; }
}
@keyframes drift {
  0% { transform: translate3d(-20vw,0,0); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.28; }
  100% { transform: translate3d(120vw,0,0); opacity: 0; }
}
@keyframes stormflash {
  0%, 82%, 100% { opacity: 0; }
  83% { opacity: 0.18; }
  84% { opacity: 0; }
  86% { opacity: 0.28; }
  88% { opacity: 0; }
}

@media (max-width: 1200px) {
  .dashboard-grid { grid-template-columns: 360px minmax(0,1fr); }
  .metric-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .hourly-strip { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .forecast-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 960px) {
  .page-shell { width: min(100% - 24px, 1280px); padding-top: 24px; }
  .hero,.dashboard-grid { grid-template-columns: 1fr; }
  .hero { padding: 28px; }
  .search-panel,.current-weather,.hourly-section,.forecast-section,.empty-state { padding: 24px; }
}
@media (max-width: 720px) {
  .metric-grid,.hourly-strip,.forecast-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .current-top,.section-heading-row,.history-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 3.2rem; }
  .metric-grid,.hourly-strip,.forecast-grid { grid-template-columns: 1fr; }
  .search-form input,.search-form button { font-size: 1rem; }
}