@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Dark mode (default) */
  --color-bg-start: #0b1329;
  --color-bg-middle: #0f172a;
  --color-bg-end: #1e293b;
  --color-card: rgba(15, 23, 42, 0.55);
  --color-card-border: rgba(255, 255, 255, 0.07);
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-primary: #3b82f6;
  --color-cyan: #06b6d4;
  --color-purple: #8b5cf6;
  --color-accent: rgba(6, 182, 212, 0.15);
}

.light {
  /* Light mode variables */
  --color-bg-start: #f1f5f9;
  --color-bg-middle: #e2e8f0;
  --color-bg-end: #cbd5e1;
  --color-card: rgba(255, 255, 255, 0.92);
  --color-card-border: rgba(15, 23, 42, 0.16);
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-primary: #2563eb;
  --color-cyan: #0891b2;
  --color-purple: #7c3aed;
  --color-accent: rgba(37, 99, 235, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, var(--color-accent), transparent 35%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.08), transparent 30%),
    linear-gradient(135deg, var(--color-bg-start), var(--color-bg-middle), var(--color-bg-end));
  color: var(--color-text-main);
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

/* Glassmorphism card utility */
.glass-card {
  min-width: 0;
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.light .glass-card {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.1);
}

/* Smaller details and forecast card style */
.weather-card {
  min-width: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 1.25rem;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.light .weather-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.14);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
}

.weather-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-cyan);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.12);
}

.light .weather-card:hover {
  background: rgba(15, 23, 42, 0.05);
  box-shadow: 0 8px 24px rgba(8, 145, 178, 0.08);
}

/* Reusable text helper */
.text-muted {
  color: var(--color-text-muted);
}

/* Reusable gradient button */
.gradient-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
  color: white;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.gradient-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

/* Custom animated transitions for panels */
.fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.scale-up {
  animation: scaleUp 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(5px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Pulsing highlight effect */
.icon-pulse {
  animation: pulseIcon 3s ease-in-out infinite alternate;
}

@keyframes pulseIcon {
  0% {
    transform: scale(1) rotate(0deg);
    filter: drop-shadow(0 0 2px rgba(6, 182, 212, 0.2));
  }
  50% {
    transform: scale(1.05) rotate(3deg);
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.5));
  }
  100% {
    transform: scale(1) rotate(-3deg);
    filter: drop-shadow(0 0 2px rgba(6, 182, 212, 0.2));
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}

#forecast,
#hourly-forecast {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-inline: contain;
}

#forecast > *,
#hourly-forecast > * {
  scroll-snap-align: start;
}

/* Focus states */
input:focus,
button:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 2px;
}

/* Mobile scrolling styles */
@media (max-width: 640px) {
  .glass-card {
    border-radius: 16px;
  }

  .weather-card {
    border-radius: 12px;
  }

  .current-weather-card {
    min-height: 18rem;
  }

  #forecast,
  #hourly-forecast {
    scroll-snap-type: inline proximity;
  }
}

@media (max-width: 359px) {
  .current-weather-card {
    min-height: 16.5rem;
  }

  .detail-card {
    min-height: 7rem;
  }
}

/* Weather condition gradients — must be in CSS so CDN Tailwind picks them up */
.cond-sunny      { background: linear-gradient(135deg, rgba(245,158,11,0.12) 0%, rgba(251,191,36,0.04) 50%, transparent 100%); }
.cond-cloudy     { background: linear-gradient(135deg, rgba(99,102,241,0.12) 0%, rgba(148,163,184,0.04) 50%, transparent 100%); }
.cond-rainy      { background: linear-gradient(135deg, rgba(59,130,246,0.13) 0%, rgba(6,182,212,0.04) 50%, transparent 100%); }
.cond-snowy      { background: linear-gradient(135deg, rgba(186,230,253,0.12) 0%, rgba(99,102,241,0.04) 50%, transparent 100%); }
.cond-foggy      { background: linear-gradient(135deg, rgba(100,116,139,0.12) 0%, rgba(71,85,105,0.04) 50%, transparent 100%); }
.cond-stormy     { background: linear-gradient(135deg, rgba(139,92,246,0.14) 0%, rgba(30,41,59,0.08) 50%, transparent 100%); }
.cond-drizzle    { background: linear-gradient(135deg, rgba(20,184,166,0.12) 0%, rgba(59,130,246,0.04) 50%, transparent 100%); }
.cond-default    { background: linear-gradient(135deg, rgba(148,163,184,0.08) 0%, transparent 100%); }

/* Detail icon accent backgrounds */
.icon-bg-blue    { background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.15); }
.icon-bg-purple  { background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.15); }
.icon-bg-amber   { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.15); }
.icon-bg-emerald { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.15); }

/* Recent search chip: active/selected state */
.search-chip-active {
  background: rgba(6,182,212,0.15);
  border-color: rgba(6,182,212,0.5);
  color: #ffffff;
}

.light .search-chip-active {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.45);
  color: #1d4ed8;
}

/* Smooth detail card height */
.detail-card {
  min-height: 7.5rem;
}

/* Current weather card explicit min-height (set via JS className, bypassing CDN JIT) */
.current-weather-card {
  min-height: 20rem;
}

/* Light mode text adjustments */
.light .text-white        { color: #0f172a !important; }
.light .text-slate-300    { color: #334155 !important; }
.light .text-slate-400    { color: #475569 !important; }
.light .text-slate-500    { color: #64748b !important; }
.light .text-slate-200    { color: #1e293b !important; }
.light .bg-slate-900\/60  { background: rgba(241,245,249,0.8) !important; }
.light .border-slate-800\/80 { border-color: rgba(203,213,225,0.8) !important; }

.light input {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.86) !important;
  border-color: rgba(15, 23, 42, 0.12) !important;
}

.light input::placeholder {
  color: #64748b;
}

.light button:not(.gradient-btn) {
  color: #1e293b;
}