:root {
  --primary-color: #ffffff;
  --secondary-color: rgba(255, 255, 255, 0.7);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --glass-highlight: rgba(255, 255, 255, 0.05);
  --text-main: #ffffff;
  --text-secondary: #e0e0e0;
  --font-main: 'Outfit', sans-serif;
  --transition-speed: 0.4s;
  --ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: var(--font-main);
  background: linear-gradient(135deg, #1f4037, #99f2c8);
  background-size: 400% 400%;
  animation: gradientBG 20s ease infinite;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Weather Themes (Auto) */
body.bg-clear {
  background: linear-gradient(135deg, #2980b9, #6dd5fa, #ffffff);
  background-size: 400% 400%;
}

body.bg-clouds {
  background: linear-gradient(135deg, #606c88, #3f4c6b);
  background-size: 400% 400%;
}

body.bg-rain {
  background: linear-gradient(135deg, #373b44, #4286f4);
  background-size: 400% 400%;
}

body.bg-snow {
  background: linear-gradient(135deg, #E6DADA, #274046);
  background-size: 400% 400%;
}

/* Fixed Manual Themes */
/* Day 1: Nord */
body.theme-nord {
  background: linear-gradient(135deg, #81A1C1, #5E81AC, #88C0D0);
  background-size: 400% 400%;
}

/* Day 2: Sunset */
body.theme-sunset {
  background: linear-gradient(135deg, #ff9966, #ff5e62);
  background-size: 400% 400%;
}

/* Night 1: Dracula */
body.theme-dracula {
  background: linear-gradient(135deg, #282a36, #44475a, #6272a4);
  background-size: 400% 400%;
}

/* Night 2: Midnight */
body.theme-midnight {
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  background-size: 400% 400%;
}

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

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.app-container {
  width: 95%;
  max-width: 900px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: 2.5rem;
  text-align: center;
  position: relative;
  min-height: 600px;
  transition: all var(--transition-speed) var(--ease);
}

.header-actions {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 12px;
  z-index: 10;
}

.lang-btn,
.back-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 8px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s var(--ease);
  backdrop-filter: blur(4px);
}

.lang-btn:hover,
.back-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Dashboard Grid Styles */
.dashboard-grid {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 4rem;
  width: 100%;
  animation: slideUp 0.6s var(--ease);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dashboard-grid.active {
  display: grid;
}

.dashboard-card {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.dashboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.dashboard-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.dashboard-card:hover::before {
  opacity: 1;
}

.d-city {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  z-index: 1;
}

.d-icon {
  width: 60px;
  height: 60px;
  margin: 5px 0;
  z-index: 1;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.d-temp {
  font-size: 1.8rem;
  font-weight: 800;
  z-index: 1;
}

.d-desc {
  font-size: 0.9rem;
  color: var(--secondary-color);
  text-transform: capitalize;
  z-index: 1;
}

.d-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 71, 87, 0.8);
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  color: white;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s;
  z-index: 5;
}

.dashboard-card:hover .d-delete {
  opacity: 1;
  transform: scale(1);
}

.d-delete:hover {
  background: #ff4757;
  transform: scale(1.1);
}

.search-box {
  display: flex;
  margin-bottom: 1.5rem;
  position: relative;
  margin-top: 4rem;
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  z-index: 5;
}

.search-input {
  width: 100%;
  padding: 16px 24px;
  padding-right: 50px;
  border-radius: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--font-main);
  font-size: 1.1rem;
  outline: none;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: none;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a1a;
  transition: transform 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.search-btn:hover {
  transform: translateY(-50%) scale(1.05);
}

.weather-info {
  display: none;
  flex-direction: column;
  align-items: center;
  animation: fadeIn 0.8s var(--ease);
}

.weather-info.active {
  display: flex;
}

.city-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
  width: 100%;
  justify-content: center;
  position: relative;
  margin-top: 1rem;
}

.back-btn {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  width: 40px;
  height: 40px;
}

.city-name {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.save-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.5);
  transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.save-btn:hover {
  color: rgba(255, 71, 87, 0.7);
  transform: scale(1.1);
}

.save-btn.saved {
  color: #ff4757;
  transform: scale(1.1);
}

.save-btn.saved svg {
  fill: #ff4757;
}

.weather-icon {
  width: 140px;
  height: 140px;
  object-fit: contain;
  margin: 0.5rem 0;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.4));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0px);
  }
}

.temperature {
  font-size: 5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

.description {
  font-size: 1.4rem;
  text-transform: capitalize;
  margin-bottom: 2.5rem;
  color: var(--secondary-color);
  font-weight: 300;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: 100%;
  margin-top: 1rem;
}

.detail-card {
  background: rgba(255, 255, 255, 0.08);
  padding: 16px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

.detail-card .val {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.detail-card .lbl {
  font-size: 0.8rem;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

@media (max-width: 500px) {
  .details-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* API key modal removed — key is now server-side only */

.error-message {
  background: rgba(255, 71, 87, 0.2);
  border: 1px solid rgba(255, 71, 87, 0.5);
  color: #ffecee;
  padding: 12px;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  display: none;
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-5px);
  }

  75% {
    transform: translateX(5px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}