/* CLIMA PRO - UI Interactiva con Fondos Dinamicos */

:root {
  --card: rgba(255, 255, 255, 0.15);
  --card-solid: rgba(255, 255, 255, 0.95);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --accent: #ffd700;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

body.dark {
  --card: rgba(0, 0, 0, 0.4);
  --card-solid: rgba(30, 30, 40, 0.95);
  --text-muted: rgba(255, 255, 255, 0.6);
}

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

html {
  scroll-behavior: smooth;
}

/* FONDO DINAMICO */
body {
  font-family: "Poppins", sans-serif;
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.weather-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: opacity 0.8s ease;
}

.weather-bg-gif {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease;
}

.weather-bg-gif.active {
  opacity: 1;
}

.weather-bg-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

body.dark .weather-bg-overlay {
  background: rgba(0, 0, 0, 0.55);
}

/* LAYOUT */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px;
  min-height: 100vh;
}

/* HEADER */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo-icon {
  font-size: 1.8rem;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: var(--card);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.08);
}

/* SEARCH */
.search-section {
  margin-bottom: 32px;
}

.search-box {
  display: flex;
  gap: 10px;
  background: var(--card);
  padding: 8px;
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 150px;
  padding: 14px 18px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--card-solid);
  color: #333;
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: box-shadow 0.3s;
}

body.dark .search-input {
  background: rgba(255, 255, 255, 0.9);
}

.search-input:focus {
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.5);
}

.search-input::placeholder {
  color: #888;
}

.btn-search {
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #1a1a2e;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn-search:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-gps {
  padding: 14px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--card-solid);
  color: #667eea;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

body.dark .btn-gps {
  background: rgba(255, 255, 255, 0.9);
}

.btn-gps:hover {
  transform: translateY(-2px);
}

/* HISTORIAL */
.history-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.chip {
  color: white;

  padding: 6px 14px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.chip:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* WEATHER DISPLAY */
.weather-display {
  display: none;
  animation: fadeIn 0.6s ease;
}

.weather-display.visible {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MAIN CARD */
.weather-main {
  background: var(--card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.weather-location {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.weather-date {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.weather-temp-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.weather-icon {
  width: 100px;
  height: 100px;
  filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.2));
}

.weather-temp {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -3px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.weather-temp .unit {
  font-size: 1.5rem;
  font-weight: 400;
  vertical-align: top;
  margin-left: 2px;
}

.weather-desc {
  font-size: 1.2rem;
  text-transform: capitalize;
  color: var(--text-muted);
}

.weather-feels {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* STATS GRID */
.weather-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-sm);
  padding: 18px 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
}

.stat-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
  display: block;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* FORECAST */
.forecast-section {
  background: var(--card);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.forecast-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.forecast-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.forecast-day {
  text-align: center;
  padding: 12px 6px;
  border-radius: var(--radius-sm);
  transition: background 0.3s ease;
}

.forecast-day:hover {
  background: rgba(255, 255, 255, 0.1);
}

.forecast-day-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.forecast-day-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
  display: block;
}

.forecast-day-temp {
  font-size: 1rem;
  font-weight: 700;
}

.forecast-day-temp-low {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

/* LOADING */
.loading {
  text-align: center;
  padding: 60px 20px;
}

.spinner {
  width: 45px;
  height: 45px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  color: var(--text-muted);
}

/* ERROR */
.error-message {
  background: rgba(239, 68, 68, 0.3);
  border: 1px solid rgba(239, 68, 68, 0.5);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  margin-bottom: 16px;
  backdrop-filter: blur(10px);
}

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.empty-text {
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.5;
  font-size: 0.9rem;
}

/* FOOTER */
.app-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-title {
  font-weight: 700;
  margin-bottom: 6px;
}
.footer-devs {
  color: var(--text-muted);
  font-size: 0.8rem;
}
.footer-copy {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.6;
}

/* === RESPONSIVE === */

/* Tablets */
@media (max-width: 768px) {
  .app-container {
    padding: 20px 14px;
  }

  .weather-temp {
    font-size: 3.5rem;
  }
  .weather-icon {
    width: 80px;
    height: 80px;
  }
  .weather-location {
    font-size: 1.4rem;
  }

  .weather-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .stat-card {
    padding: 14px 8px;
  }
  .stat-icon {
    font-size: 1.4rem;
  }
  .stat-value {
    font-size: 1rem;
  }

  .forecast-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }
  .forecast-day {
    padding: 10px 4px;
  }
  .forecast-day-icon {
    font-size: 1.4rem;
  }
}

/* Moviles */
@media (max-width: 540px) {
  .app-header {
    justify-content: center;
    text-align: center;
  }

  .logo {
    font-size: 1.2rem;
  }
  .logo-icon {
    font-size: 1.5rem;
  }

  .search-box {
    flex-direction: column;
  }
  .search-input {
    width: 100%;
  }
  .btn-search {
    width: 100%;
    justify-content: center;
  }
  .btn-gps {
    width: 100%;
  }

  .weather-main {
    padding: 24px 16px;
  }
  .weather-temp {
    font-size: 3rem;
  }
  .weather-icon {
    width: 70px;
    height: 70px;
  }
  .weather-location {
    font-size: 1.2rem;
  }
  .weather-desc {
    font-size: 1rem;
  }

  .weather-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .forecast-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .forecast-day:nth-child(4),
  .forecast-day:nth-child(5) {
    display: none;
  }

  .empty-icon {
    font-size: 3rem;
  }
  .empty-title {
    font-size: 1.1rem;
  }
}

/* Moviles pequenos */
@media (max-width: 360px) {
  .app-container {
    padding: 16px 12px;
  }
  .weather-temp {
    font-size: 2.5rem;
  }
  .weather-stats {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .stat-card {
    padding: 12px 6px;
  }
}