body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #eef0f5; 
  color: #333;
  transition: background 0.5s, color 0.5s;
  overflow-x: hidden;
}

body.dark {
  background: #0f1113;
  color: #ddd;
}


.main-header {
    background-color: #f8f8ff; 
    padding: 15px 30px;
    display: flex;
    justify-content: flex-end; 
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    gap: 15px; 
    position: relative; 
    z-index: 1001; 
}

body.dark .main-header {
    background-color: #1a1d21; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}


.container {
  display: flex;
    flex-wrap: wrap; 
  max-width: 1200px;
  margin: auto;
  padding: 20px;
  gap: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlide 0.6s forwards;
    padding-top: 20px; 
}

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

.weather-panel, .favourites-panel {
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transition: background 0.5s, transform 0.3s, opacity 0.3s;
}

.weather-panel {
  flex: 2;
    min-width: 300px; 
  background-color: #6f6480;
  color: #f6f4fb;
}

.favourites-panel {
  flex: 1;
     min-width: 250px;
  background-color: #6a607a;
  color: #f6f4fb;
  max-height: 600px;
  overflow-y: auto;
}

body.dark .weather-panel {
  background-color: #1f2230;
}

body.dark .favourites-panel {
  background-color: #21242e;
}


label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}

.select-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: 15px;
}


.select-wrapper select {
  width: 100%;
  padding: 10px 40px 10px 12px;
  font-size: 16px;
  border-radius: 12px;
  border: none;
  background-color: #fff;
  color: #333;
  appearance: none;
  cursor: pointer;
  transition: all 0.3s;
}

body.dark .select-wrapper select {
  background-color: #2b2b2b;
  color: #eee;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #333;
}


.autocomplete.select-wrapper::after {
    display: none;
}

body.dark .select-wrapper::after {
  border-top-color: #eee;
}


.autocomplete input[type="text"],
.autocomplete input[type="search"],
#citySearch {
  width: 100%;
  padding: 10px 14px;
  font-size: 16px;
  border-radius: 12px;
  border: none;
  background-color: #fff;
  color: #333;
  box-sizing: border-box;
  outline: none;
}

body.dark .autocomplete input[type="text"],
body.dark #citySearch {
  background-color: #2b2b2b;
  color: #eee;
}


.autocomplete-items {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 999;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25); 
    border: 1px solid rgba(0,0,0,0.1); 
  background-color: #fff;
  max-height: 300px;
  overflow-y: auto;
  display: none; 
}


body.dark .autocomplete-items {
  background-color: #202428;
  color: #eee;
    box-shadow: 0 6px 18px rgba(0,0,0,0.5); 
    border: 1px solid rgba(255,255,255,0.1);
}


.autocomplete-items .item {
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 15px;
    color: #333; 
}


body.dark .autocomplete-items .item {
    color: #eee;
    border-bottom-color: rgba(255,255,255,0.06);
}



.autocomplete-items .item:last-child {
  border-bottom: none;
}


.autocomplete-items .item:hover,
.autocomplete-items .autocomplete-active {
  background-color: #f1f1f1;
}

body.dark .autocomplete-items .item:hover,
body.dark .autocomplete-items .autocomplete-active {
  background-color: rgba(255,255,255,0.04);
}


.autocomplete-items .match {
  font-weight: 700;
}


.result {
  background-color: rgba(255,255,255,0.06);
  padding: 20px; 
  border-radius: 12px;
  margin-top: 20px;
  opacity: 0;
  animation: fadeIn 0.5s forwards;
  color: #f5f5f5; 
  position: relative;
    line-height: 1.4; 
}

.result h3 {
  margin: 0 0 14px 0; 
  display: inline-block;
    color: #ffffff; 
    font-size: 1.25em; 
}


.result p {
    margin: 0 0 8px 0;  
    font-size: 1.1em;   
    color: #f5f5f5;      
}


.result p strong {
    color: #c0c0c0;      
    font-weight: 600;     
    margin-right: 6px;    
}


.result .fav-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: rgba(255,255,255,0.9);
  transition: transform 0.2s, color 0.2s;
  user-select: none;
}

.result .fav-btn.active {
  color: #ff4b5c;
  transform: scale(1.06);
}

body.dark .result {
  background-color: rgba(255,255,255,0.03);
    color: #f5f5f5; 
}

@keyframes fadeIn {
  to { opacity: 1; }
}


#result.loading::after {
  content: ' Loading...';
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0; }
}


#chartContainer {
  margin-top: 20px;
  display: none;
  background-color: #f8f8ff;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  position: relative;
}

body.dark #chartContainer {
  background-color: rgba(40,40,40,0.9);
}

#tempChart {
  width: 100% !important;
  height: 300px !important;
}

#chartControls {
  display: flex;
    flex-wrap: wrap; 
    gap: 10px; 
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

#chartControls .control-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

#chartControls select,
#chartControls button {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  cursor: pointer;
    background: #fff;
    color: #333;
}

body.dark #chartControls select,
body.dark #chartControls button {
    background: #333;
    color: #eee;
    border-color: #555;
}



#darkModeToggle {
  background: rgba(255,255,255,0.9);
  color: #000;
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: bold;
  user-select: none;
  transition: background 0.3s, color 0.3s;
    order: 2; 
}

#darkModeToggle:hover {
  background: rgba(255,255,255,1);
}

body.dark #darkModeToggle {
  background: rgba(30,30,30,0.9);
  color: #ddd;
  border-color: #555;
}


.favourite-entry {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  margin-bottom: 10px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

body.dark .favourite-entry {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.favourite-entry:hover {
  background: rgba(255, 255, 255, 0.2);
}

body.dark .favourite-entry:hover {
  background: rgba(0, 0, 0, 0.3);
}

.favourite-entry > div:first-child {
  font-weight: bold;
}


.remove-btn {
  background: crimson;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 14px;
}

.remove-btn:hover {
  transform: scale(1.1);
}


.plot-btn,
#getWeatherBtn { 
  background: #007bff; 
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 15px; 
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  transition: background 0.3s, transform 0.2s; 
}

.plot-btn:hover,
#getWeatherBtn:hover {
  background: #0056b3; 
  transform: translateY(-1px);
}


body.dark .plot-btn,
body.dark #getWeatherBtn {
  background: #4a90e2; 
  color: #f6f4fb;
}

body.dark .plot-btn:hover,
body.dark #getWeatherBtn:hover {
  background: #6aabf7; 
}


.result-heart {
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: #aaa;
  transition: transform 0.3s, color 0.3s;
}

.result-heart.active {
  color: #dc2430;
  transform: scale(1.2);
}


.state-wrapper {
 margin-bottom: 15px;
  position: relative; 
}

.city-wrapper {
 margin-bottom: 25px;
  position: relative; 
}


#citySearch:disabled {
 background-color: #e9ecef;
 cursor: not-allowed;
 opacity: 0.7;
}

body.dark #citySearch:disabled {
 background-color: #3a3a3a;
  opacity: 0.5;
}


.autocomplete-items .loading {
 padding: 10px 12px;
 color: #666;
 font-style: italic;
}

.autocomplete-items .no-results {
 padding: 10px 12px;
 color: #999;
 font-style: italic;
}


body.dark .autocomplete-items .loading,
body.dark .autocomplete-items .no-results {
 color: #bbb;
}



#auth-status {
 display: flex;
 align-items: center;
 gap: 10px;
  order: 1; 
}

#auth-status-text {
 font-weight: bold;
  color: #333; 
}

body.dark #auth-status-text {
 color: #f0f0f0; 
}


#login-btn, #logout-btn {
 background: #5a4a9c; 
 color: white;
 border: none;
 border-radius: 8px;
 padding: 8px 12px;
 cursor: pointer;
 font-weight: bold;
 user-select: none;
 transition: background 0.3s;
}

#logout-btn {
 background: #dc3545; 
}


body.dark #login-btn {
 background: #4a90e2; 
}

body.dark #logout-btn {
 background: #ff4b5c; 
}



#auth-modal {
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background: rgba(0, 0, 0, 0.6);
 display: none; 
 align-items: flex-start; 
  padding-top: 5vh; 
 justify-content: center; 
 z-index: 2000;
 opacity: 0;
 transition: opacity 0.3s ease;
}

.auth-modal-content {
 background: #fff;
 padding: 25px;
 border-radius: 12px;
 box-shadow: 0 5px 20px rgba(0,0,0,0.2);
 width: 90%;
 max-width: 400px;
 text-align: left;
 position: relative;
 transform: translateY(-20px);
 transition: transform 0.3s ease;
}

body.dark .auth-modal-content {
 background: #2b2b2b;
 color: #eee;
}

#auth-modal-close {
 position: absolute;
 top: 10px;
 right: 15px;
 font-size: 24px;
 color: #aaa;
 cursor: pointer;
 background: none;
 border: none;
}

body.dark #auth-modal-close {
    color: #888;
}

.auth-modal-content h2 {
 margin-top: 0;
 margin-bottom: 20px;
  text-align: center;
}

.auth-form-group {
 margin-bottom: 15px;
 position: relative; 
}

.auth-form-group label {
 display: block;
 margin-bottom: 5px;
 font-weight: 600;
}

.auth-form-group input {
 width: 100%;
 padding: 10px;
 border: 1px solid #ccc;
 border-radius: 8px;
 font-size: 16px;
  box-sizing: border-box; 
}

body.dark .auth-form-group input {
 background: #444;
 border-color: #666;
 color: #eee;
}


#password-toggle-icon {
  position: absolute;
  top: 38px;
  right: 12px;
  cursor: pointer;
  user-select: none;
  font-size: 1.2em;
  color: #888;
}

body.dark #password-toggle-icon {
  color: #ccc;
}


.auth-modal-content .plot-btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 10px;
}


.auth-message {
  text-align: center;
  margin-top: 15px;
  font-size: 0.9em;
  min-height: 1.2em; 
}
.auth-message.error {
  color: #dc3545;
}
.auth-message.success {
  color: #28a745;
}


#auth-prompt {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9em;
  color: #555;
}

body.dark #auth-prompt {
  color: #bbb;
}

#auth-toggle-link {
  color: #007bff;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
}
#auth-toggle-link:hover {
  text-decoration: underline;
}

body.dark #auth-toggle-link {
  color: #4a90e2;
}



#auth-signup-btn {
  display: none; 
}


.modal-state-signup #auth-signup-btn {
  display: block; 
}


.modal-state-signup #auth-login-btn {
  display: none; 
}