/* Light mode variables */
:root {
  --background-color: linear-gradient(to bottom, #a6c1ee, #fbc2eb);
  --text-color: #222;
  --secondary-text-color: #555;
  --container-bg: rgba(255, 255, 255, 0.8);
  --card-bg: rgba(255, 255, 255, 0.75);
  --input-bg: rgba(255, 255, 255, 0.9);
  --input-border: #d1d8e0;
  --input-focus: #6b48ff;
  --button-bg: linear-gradient(
    135deg,
    rgba(107, 72, 255, 0.8),
    rgba(0, 212, 255, 0.8)
  );
  --button-hover-bg: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.9),
    rgba(107, 72, 255, 0.9)
  );
  --button-text: #ffffff;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  --error-bg: rgba(255, 238, 238, 0.9);
  --error-border: #e74c3c;
  --forecast-bg: rgba(249, 249, 249, 0.85);
  --scrollbar-track: #e0e0e0;
  --scrollbar-thumb: #6b48ff;
  --scrollbar-thumb-hover: #00d4ff;
  --message-bg: rgba(255, 255, 255, 0.95);
  --message-text: #333;
  --glow-color: rgba(107, 72, 255, 0.7); /* Light mode glow, opacity වැඩි කළා */
}

/* Dark mode variables */
body.dark-mode {
  --background-color: linear-gradient(to bottom, #1a1a2e, #16213e);
  --text-color: #f0f0f0;
  --secondary-text-color: #b0b0b0;
  --container-bg: rgba(0, 0, 0, 0.6);
  --card-bg: rgba(44, 44, 44, 0.65);
  --input-bg: rgba(58, 58, 58, 0.8);
  --input-border: #4a4a4a;
  --input-focus: #ff6f61;
  --button-bg: linear-gradient(
    135deg,
    rgba(42, 82, 152, 0.8),
    rgba(255, 111, 97, 0.8)
  );
  --button-hover-bg: linear-gradient(
    135deg,
    rgba(255, 111, 97, 0.9),
    rgba(42, 82, 152, 0.9)
  );
  --button-text: #f0f0f0;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  --error-bg: rgba(61, 28, 28, 0.9);
  --error-border: #e74c3c;
  --forecast-bg: rgba(58, 58, 58, 0.75);
  --scrollbar-track: #2a2a2a;
  --scrollbar-thumb: #2a5298;
  --scrollbar-thumb-hover: #ff6f61;
  --message-bg: rgba(40, 40, 40, 0.95);
  --message-text: #f0f0f0;
  --glow-color: rgba(255, 111, 97, 0.7); /* Dark mode glow, opacity වැඩි කළා */
}

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

body {
  font-family: "Poppins", sans-serif;
  min-height: 100vh;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--background-color);
  color: var(--text-color);
  transition: background-color 0.5s ease, color 0.5s ease;
}

.main-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1200px;
}

@media (min-width: 768px) {
  .main-wrapper {
    flex-direction: row;
    justify-content: space-around;
  }
}

.home-section {
  position: relative;
  text-align: center;
  margin-bottom: 40px;
}

.animation-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  opacity: 0.3;
}

.light-mode-animation,
.dark-mode-animation {
  width: 100%;
  height: 100%;
}

.light-mode-animation {
  display: block;
}

.dark-mode-animation {
  display: none;
}

body.dark-mode .light-mode-animation {
  display: none;
}

body.dark-mode .dark-mode-animation {
  display: block;
}

.cloud {
  transform: translateX(-100%);
}

@keyframes moveClouds {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(500%);
  }
}

.star {
  animation: twinkle 3s ease-in-out infinite;
}

.star:nth-child(odd) {
  animation-delay: -1.5s;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.home-section h1 {
  font-size: 2.5rem;
  color: var(--text-color);
  margin-bottom: 10px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.home-section p {
  font-size: 1.2rem;
  color: var(--secondary-text-color);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.container {
  background: var(--container-bg);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  width: 100%;
  max-width: 600px;
  backdrop-filter: blur(10px);
  transition: background-color 0.5s ease;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--text-color);
}

.search-container {
  position: relative;
  margin-bottom: 15px;
}

#location-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1.1rem;
  border: 2px solid var(--input-border);
  border-radius: 8px;
  outline: none;
  background: var(--input-bg);
  color: var(--text-color);
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#location-input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 8px var(--input-focus);
}

#location-input::placeholder {
  color: var(--secondary-text-color);
  opacity: 0.8;
}

#suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: var(--shadow);
  color: var(--text-color);
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}

#suggestions.visible {
  opacity: 1;
  visibility: visible;
}

#suggestions div {
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}

#suggestions div:hover {
  background: var(--button-bg);
  color: var(--button-text);
}

.controls-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 15px;
}

#search-button,
#geolocation-button,
#theme-toggle {
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  margin: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#search-button:hover,
#geolocation-button:hover,
#theme-toggle:hover {
  background: var(--button-hover-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#search-button:active,
#geolocation-button:active,
#theme-toggle:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#error-message {
  visibility: hidden;
  opacity: 0;
  color: #e74c3c;
  margin-top: 10px;
  padding: 10px;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: 5px;
  transition: opacity 0.5s ease;
}

#error-message.visible {
  visibility: visible;
  opacity: 1;
}

.weather-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: none;
  margin-top: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-in, transform 0.5s ease-in;
  backdrop-filter: blur(10px);
}

.weather-card.visible {
  opacity: 1;
  transform: translateY(0);
}

#weather-icon {
  width: 150px;
  height: 150px;
  margin: 0 auto 15px;
  overflow: visible;
}

.city-name {
  transition: text-shadow 0.3s ease; /* Smooth glow transition for city name */
}

.city-name:hover {
  text-shadow: 0 0 5px var(--glow-color), 0 0 15px var(--glow-color),
    0 0 25px var(--glow-color); /* Stronger, layered glow */
}

.info-block {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.info-label {
  font-weight: 600;
  color: var(--text-color);
  transition: text-shadow 0.3s ease; /* Smooth glow transition for labels */
}

.info-label:hover {
  text-shadow: 0 0 5px var(--glow-color), 0 0 15px var(--glow-color),
    0 0 25px var(--glow-color); /* Stronger, layered glow */
}

.info-value {
  color: var(--secondary-text-color);
  transition: text-shadow 0.3s ease; /* Smooth glow transition */
}

.info-value:hover {
  text-shadow: 0 0 5px var(--glow-color), 0 0 15px var(--glow-color),
    0 0 25px var(--glow-color); /* Stronger, layered glow */
}

.temp-container {
  display: flex;
  align-items: center;
  transition: text-shadow 0.3s ease; /* Smooth glow transition */
}

.temp-container:hover {
  text-shadow: 0 0 5px var(--glow-color), 0 0 15px var(--glow-color),
    0 0 25px var(--glow-color); /* Stronger, layered glow */
}

#temperature {
  font-size: 2.5rem;
  font-weight: bold;
  margin-right: 10px;
  transition: transform 0.3s ease;
  color: var(--text-color);
}

#temperature.changing {
  transform: scale(1.1);
}

#unit-toggle, #si-toggle, #save-city {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    margin: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#unit-toggle:hover, #si-toggle:hover, #save-city:hover {
    background: var(--button-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.forecast-container {
  display: flex;
  overflow-x: auto;
  margin-bottom: 20px;
  padding-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.forecast-container::-webkit-scrollbar {
  height: 8px;
}

.forecast-container::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 4px;
}

.forecast-container::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
  transition: background 0.3s ease;
}

.forecast-container::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

.hourly-item,
.daily-item {
  min-width: 120px;
  text-align: center;
  margin-right: 10px;
  padding: 10px;
  background: var(--forecast-bg);
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.daily-item {
  min-width: 140px;
}

.hourly-item:hover,
.daily-item:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--glow-color);
  z-index: 10;
}

.hourly-item div,
.daily-item div {
  width: 60px;
  height: 60px;
  margin: 5px auto;
  overflow: visible;
}

body.clear-sky {
    background: linear-gradient(to top, #4096ee, #87CEEB);
}

body.few-clouds {
    background: linear-gradient(to top, #bdc3c7, #2c3e50);
}

body.scattered-clouds {
    background: linear-gradient(to top, #BDBDBD, #616161);
}

body.broken-clouds {
    background: linear-gradient(to top, #757F9A, #D7DDE8);
}

body.shower-rain {
    background: linear-gradient(to top, #314755, #26a0da);
}

body.rain {
    background: linear-gradient(to top, #525252, #3d72b4);
}

body.thunderstorm {
    background: linear-gradient(to top, #141E30, #243B55);
}

body.snow {
    background: linear-gradient(to top, #E6DADA, #274046);
}

body.mist {
    background: linear-gradient(to top, #757F9A, #D7DDE8);
}

.custom-message {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.custom-message.visible {
  opacity: 1;
  visibility: visible;
}

.message-content {
  background: var(--message-bg);
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 300px;
  width: 90%;
  animation: fadeIn 0.3s ease;
}

.message-content p {
  color: var(--message-text);
  font-size: 1.1rem;
  margin-bottom: 15px;
}

#message-close {
  padding: 10px 20px;
  font-size: 1rem;
  background: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

#message-close:hover {
  background: var(--button-hover-bg);
  transform: scale(1.05);
}

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

.favorites {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.fav-chip {
    background: var(--button-bg);
    color: var(--button-text);
    padding: 8px 12px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    transition: background 0.3s ease, transform 0.2s ease;
}

.fav-chip:hover {
    background: var(--button-hover-bg);
    transform: translateY(-2px);
}

.fav-del {
    margin-left: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

.fav-del:hover {
    background: rgba(0, 0, 0, 0.4);
}