:root {
    --bg-color: #e3f2fd;           /* softer light blue */
    --text-color: #212121;         /* darker text for readability */
    --card-bg: rgba(255, 255, 255, 0.85); 
    --primary-color: #1976d2;      /* stronger blue for header/buttons */
    --secondary-color: #f57c00;    /* deeper orange */
    --accent-color: #0288d1;       /* lighter blue accent */
    --shadow-color: rgba(0,0,0,0.2);
}

[data-theme="dark"] {
    --bg-color: #121212;           
    --text-color: #f5f5f5;
    --card-bg: rgba(30, 30, 30, 0.9);
    --primary-color: #2196f3;
    --secondary-color: #ffb74d;
    --accent-color: #64b5f6;
    --shadow-color: rgba(0,0,0,0.6);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background 0.5s ease, color 0.5s ease;
}

.app-header, .app-footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 1rem 2rem;
    text-align: center;
    box-shadow: 0 4px 6px var(--shadow-color);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

.weather-container {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: auto;
}

.search-section {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.weatherForm {
    display: flex;
    gap: 0.5rem;
}

.cityInput {
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    background-color: rgba(255,255,255,0.9);
}

.cityInput:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-color);
}

button {
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
}

#geoBtn {
    background-color: var(--secondary-color);
    color: white;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.saved-cities {
    margin-bottom: 2rem;
    text-align: center;
}

.city-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.city-tag {
    position: relative;
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: white;
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.city-tag:hover {
    background-color: var(--accent-color);
    transform: scale(1.05);
}

.city-tag button {
    margin-left: 0.5rem;
    background: transparent;
    border: none;
    color: white;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.3s ease;
}

.city-tag button:hover {
    color: #ffffff;
}

.weather-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.weather-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 6px 15px var(--shadow-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.5s ease;
}

.weather-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px var(--shadow-color);
}

.weather-card h2 {
    margin: 0.5rem 0;
    font-size: 1.5rem;
}

.weather-icon-container {
    width: 150px;
    height: 150px;
    margin: 0.5rem auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.6);
    border: 2px solid rgba(0,0,0,0.2);
}




[data-theme="dark"] .weather-icon-container {
    background-color: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
}


.weather-icon {
    font-size: 2rem;
    display: inline-block;
}

.temp {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.forecast-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    border-top: 1px solid #ccc;
    padding-top: 0.75rem;
}

.forecast-container {
    display: flex;
    flex-wrap: wrap;      /* wrap to next line if needed */
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;  /* center items */
}

.forecast-day {
    width: 70px;
    text-align: center;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.forecast-day .forecast-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.1);
}

[data-theme="dark"] .forecast-day .forecast-icon {
    background-color: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

/* .remove-btn {
    margin-top: 1rem;
    background-color: #d32f2f; 
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.remove-btn:hover {
    background-color: #f44336;
    transform: translateY(-2px);
} */

/* Weather backgrounds (muted gradients) */
body.sunny { background: linear-gradient(to bottom, #fff176, #ffb74d); }
body.cloudy { background: linear-gradient(to bottom, #90a4ae, #cfd8dc); }
body.rainy { background: linear-gradient(to bottom, #607d8b, #455a64); }
body.snowy { background: linear-gradient(to bottom, #e1f5fe, #b3e5fc); }
body.stormy { background: linear-gradient(to bottom, #37474f, #546e7a); }
body.foggy { background: linear-gradient(to bottom, #b0bec5, #78909c); }

#errorMsg {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background-color: #f44336;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    opacity: 0;
    transition: all 0.5s ease;
    z-index: 1000;
    pointer-events: none;
}

#errorMsg.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.forecast-day .forecast-icon {
    width: 60px;
    height: 60px;
    margin: 0.25rem auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0,0,0,0.1);  /* light mode visibility */
    border: 1px solid rgba(0,0,0,0.1);
}

[data-theme="dark"] .forecast-day .forecast-icon {
    background-color: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

/* Optional: subtle weather color gradients */
body.sunny .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #fff9c4, #ffe57f);
}

body.rainy .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #90caf9, #42a5f5);
}

body.cloudy .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #cfd8dc, #90a4ae);
}

body.snowy .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #e1f5fe, #b3e5fc);
}

body.stormy .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #37474f, #546e7a);
}

body.foggy .forecast-day .forecast-icon {
    background: linear-gradient(145deg, #b0bec5, #78909c);
}


.forecast-container {
    overflow-x: hidden; /* hide overflow */
    position: relative;
    width: 100%;
}

.forecast-scroll {
    display: flex;
    gap: 0.5rem;
}

.forecast-day {
    flex: 0 0 auto; /* keep items from shrinking */
    width: 70px;    /* adjust size */
    text-align: center;
}

/* Style saved city tags (instead of <li>) */
.city-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  background-color: var(--primary-color);
  color: white;
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  gap: 0.5rem;
}

.city-tag button {
  background: transparent;   /* removes red circle */
  border: none;
  color: inherit;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.city-tag button:hover {
  background: rgba(255,255,255,0.2); /* subtle highlight */
  color: #fff;
}

/* Daytime */
body.sunny-day { background: linear-gradient(to bottom, #fff176, #ffb74d); }
body.cloudy-day { background: linear-gradient(to bottom, #90a4ae, #cfd8dc); }
body.rainy-day { background: linear-gradient(to bottom, #607d8b, #455a64); }

/* Nighttime */
body.sunny-night { background: linear-gradient(to bottom, #3a3a9f, #1a1a2e); }
body.cloudy-night { background: linear-gradient(to bottom, #2c3e50, #34495e); }
body.rainy-night { background: linear-gradient(to bottom, #1b1b2f, #162447); }

/* Optional: stars for night */
body.night::after {
    content: '';
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: url('../images/stars.png') repeat;
    opacity: 0.2;
    pointer-events: none;
}

#unitToggle {
    bottom: 20px;
    right: 20px;
    color: rgb(53, 57, 110);
    padding: 0.5rem 1rem;
    margin: 9px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.weather-card .remove-btn {
    background-color: #e53935;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 4px 8px;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 1rem;
}

.weather-card .remove-btn:hover {
    background-color: #b71c1c; /* darker red on hover */
}

body {
    transition: background 1s ease-in-out !important;
}

:root {
    --header-text-color: #212121;
}

[data-theme="dark"] {
    --header-text-color: #f5f5f5;
}

.saved-cities h2 {
    color: var(--header-text-color);
    text-align: center;
    margin-bottom: 1rem;
}
.saved-cities h2 {
    color: var(--text-color);
    text-align: center;
    position: relative;
    z-index: 1;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6); /* ensures readability on light backgrounds */
}

.saved-cities {
    position: relative;
    padding: 1rem 0;
}

.saved-cities::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.2); /* light overlay for contrast */
    pointer-events: none;
    z-index: 0;
}
/* Weather overlay container */
#weatherEffect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1; /* make sure it sits above body background */
    overflow: hidden;
}


/* Rain effect */
#weatherEffect.rain span {
    position: absolute;
    top: -20px;
    width: 2px;
    height: 15px;
    background: rgba(255,255,255,0.3);
    animation: rainFall linear infinite;
}

@keyframes rainFall {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(110vh); opacity: 0; }
}

/* Snow effect */
#weatherEffect.snow span {
    position: absolute;
    top: -10px;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.6); /* stronger for visibility */
    border-radius: 50%;
    animation: snowFall linear infinite;
}

@keyframes snowFall {
    0% { transform: translateY(0) translateX(0); opacity: 0.8; }
    100% { transform: translateY(110vh) translateX(20px); opacity: 0.2; }
}

/* Fog effect */
#weatherEffect.fog {
    background: rgba(255,255,255,0.1);
}


/* CLOUDS - for cloudy weather */
.cloud {
  position: absolute;
  width: 200px;
  height: 100px;
  background: url('../images/cloud.png') no-repeat;
  background-size: cover;
  opacity: 0.8;
  animation: drift linear infinite;
}

@keyframes drift {
  0% { transform: translateX(-250px); }
  100% { transform: translateX(110vw); }
}

/* SUN RAYS - for sunny weather */
.sun-ray {
  position: absolute;
  width: 200px;
  height: 200px;
  background: url('../images/sun-ray.png') no-repeat;
  background-size: contain;
  top: 20%;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  animation: rotateRay 20s linear infinite;
  opacity: 0.5;
}

@keyframes rotateRay {
  0% { transform: translateX(-50%) rotate(0deg); }
  100% { transform: translateX(-50%) rotate(360deg); }
}

/* STARS - for clear night */
.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  opacity: 0.8;
  animation: twinkle 2s infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.2; }
  100% { opacity: 1; }
}

/* SUBTLE RAIN */
.rain span {
  position: absolute;
  bottom: 100%;
  width: 2px;
  height: 15px;
  background: rgba(255,255,255,0.3);
  animation: rainFall linear infinite;
}

@keyframes rainFall {
  0% { transform: translateY(0); opacity: 0.2; }
  100% { transform: translateY(110vh); opacity: 0; }
}

/* SUBTLE SNOW */
.snow span {
  position: absolute;
  top: -10px;
  width: 5px;
  height: 5px;
  background: rgba(255,255,255,0.8);
  border-radius: 50%;
  animation: snowFall linear infinite;
}

@keyframes snowFall {
  0% { transform: translateY(0) translateX(0); opacity: 0.8; }
  100% { transform: translateY(110vh) translateX(20px); opacity: 0.2; }
}

/* FOG */
.fog {
  background: rgba(255,255,255,0.1);
}
.saved-cities {
    position: relative;
    padding: 1.5rem 1rem;
    margin-bottom: 2rem;
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.saved-cities h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    text-align: center;
    color: var(--text-color);
}

.city-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    padding: 0.5rem 0;
}
.saved-cities {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1rem;
  margin: 1rem 0;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);

  /* This makes the children respect the rounded edges */
  overflow: hidden;
}
[data-theme="dark"] .saved-cities .city-card {
  background: rgba(30, 30, 30, 0.6);
  color: #f1f1f1;
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.saved-cities .city-card {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.saved-cities .city-card .temperature {
  font-weight: bold;
  font-size: 1.2rem;
  color: #ff9800;
}


/* testing collapsed city cards */
.city-card.collapsed .city-content {
  display: none;
}

.city-card.collapsed {
  background: #f0f0f0;
  padding: 8px 12px;
  cursor: pointer;
  opacity: 0.7;
}

.city-card.collapsed h3 {
  font-size: 1rem;
  color: #666;
}