@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #6366f1;
    --secondary-color: #4f46e5;
    --darkprimary-color: rgb(139, 139, 189);
    --darksecondary-color: #9590e8;
    --accent-color: #22d3ee;
    --light-bg: rgba(255, 255, 255, 0.9);
    --dark-bg: rgba(15, 23, 42, 0.85);
    --light-text: #ffffff;
    --dark-text: #0f172a;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --card-bg-light: rgba(255, 255, 255, 0.75);
    --card-bg-dark: rgba(30, 41, 59, 0.5);
    --hover-light: rgba(99, 102, 241, 0.12);
    --hover-dark: rgba(34, 211, 238, 0.12);
    --border-radius: 16px;
    --glassmorphism: rgba(255, 255, 255, 0.25);
    --glassmorphism-dark: rgba(15, 23, 42, 0.35);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

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

body {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    background: linear-gradient(135deg, #4f46e5, #7c3aed, #c026d3);
    background-size: 400% 400%;
    background-position: 0 50%;
    background-attachment: fixed;
    color: var(--dark-text);
    min-height: 100vh;
    width: 100%;
    margin: 0;
    padding: 20px;
    overflow-x: hidden;
    text-align: center;
    transition: var(--transition);
    animation: gradientBG 18s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

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

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

body.dark-mode {
    background: linear-gradient(135deg, #1e1b4b, #312e81, #4338ca);
    background-size: 400% 400%;
    color: var(--light-text);
}

.container {
    border-radius: var(--border-radius);
    padding: 30px;
    width: 100%;
    max-width: 850px;
    background-color: var(--light-bg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(30px);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transform: translateY(0);
    animation: slideUp 0.8s ease-out;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.container::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
    filter: blur(40px);
}

.container::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
    filter: blur(35px);
}

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

body.dark-mode .container {
    background-color: var(--dark-bg);
    color: var(--light-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
    margin-bottom: 10px;
}

.kiit-logo {
    width: 70px;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
}

body.dark-mode .kiit-logo {
    filter: brightness(1.2) drop-shadow(0 6px 12px rgba(255, 255, 255, 0.12));
}

.kiit-logo:hover {
    transform: scale(1.08) rotate(-5deg);
}

.header h1 {
    margin: 0;
    font-weight: 700;
    font-size: 2.6rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px rgba(0, 110, 255, 0.15);
    position: relative;
}

/* .header h1::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    border-radius: 10px;
    opacity: 0.6;
} */

.header h3 {
    margin: 0;
    font-weight: 500;
    opacity: 0.85;
    letter-spacing: 0.3px;
    font-size: 1rem;
}

.badge {
    font-size: 0.45em;
    background-color: var(--accent-color);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    vertical-align: middle;
    -webkit-text-fill-color: white;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
    position: relative;
    top: -4px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.4);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(34, 211, 238, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
    }
}

.search-box {
    display: flex;
    width: 100%;
    position: relative;
    z-index: 1;
}

input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 15px;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body.dark-mode input {
    background: rgba(30, 41, 59, 0.6);
    color: var(--light-text);
}

input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

button {
    font-family: 'Plus Jakarta Sans', sans-serif;
    padding: 12px 20px;
    margin: 0;
    display: inline-block;
    outline: none;
    color: var(--light-text);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--primary-color) 10%, var(--secondary-color) 100%);
    box-shadow: 0 5px 12px rgba(99, 102, 241, 0.25);
    position: relative;
    overflow: hidden;
}

button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity 0.3s ease;
}

button:hover::after {
    opacity: 1;
}

.search-box button {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 0;
    padding: 16px 24px;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

button:active {
    transform: translateY(-1px);
}

#locationBtn {
    width: 100%;
    border-radius: var(--border-radius);
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--secondary-color) 10%, var(--accent-color) 100%);
    animation: buttonPulse 2s infinite;
}

@keyframes buttonPulse {
    0% {
        box-shadow: 0 5px 12px rgba(99, 102, 241, 0.25);
    }

    50% {
        box-shadow: 0 5px 25px rgba(99, 102, 241, 0.5);
    }

    100% {
        box-shadow: 0 5px 12px rgba(99, 102, 241, 0.25);
    }
}

button i {
    transition: transform 0.3s ease;
}

button:hover i {
    transform: scale(1.2);
}

.weather-info {
    display: none;
    background: var(--glassmorphism);
    border-radius: var(--border-radius);
    padding: 28px;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateZ(0);
    animation: fadeIn 0.6s ease-out;
}

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

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

body.dark-mode .weather-info {
    background: var(--glassmorphism-dark);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.location-info {
    margin-bottom: 24px;
    position: relative;
}

.location-info::after {
    content: "";
    position: absolute;
    bottom: -12px;
    left: 50%;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    border-radius: 2px;
    opacity: 0.5;
}

.location-info h2 {
    font-size: 2.1rem;
    margin: 0;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
    font-weight: 700;
}

body.dark-mode .location-info h2 {
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.location-info p {
    margin: 8px 0 0 0;
    opacity: 0.8;
    font-size: 1rem;
}

.weather-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.weather-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    position: relative;
}

.weather-main img {
    width: 100px;
    margin-right: 16px;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.18));
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {

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

    50% {
        transform: translateY(-10px) rotate(5deg);
    }
}

.weather-main img:hover {
    transform: scale(1.15) rotate(12deg);
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.22));
}

.weather-main .temp {
    font-size: 3.2rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
    line-height: 1;
    position: relative;
}

.weather-main .desc {
    font-size: 1.15rem;
    text-transform: capitalize;
    margin: 6px 0 0 0;
    letter-spacing: 0.3px;
    opacity: 0.85;
}

.weather-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    padding-top: 6px;
}

.metric {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.25);
    padding: 18px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.metric::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.metric:hover::before {
    opacity: 1;
}

.metric:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.35);
}

body.dark-mode .metric {
    background: var(--card-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

body.dark-mode .metric:hover {
    background: rgba(78, 159, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.metric i {
    font-size: 24px;
    margin-right: 18px;
    color: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.dark-mode .metric i {
    color: var(--accent-color);
}

.metric:hover i {
    transform: scale(1.25);
}

.metric-label {
    font-size: 0.85rem;
    margin: 0;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 3px 0 0 0;
}

.additional-info {
    margin-top: 24px;
}

.sun-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.sun-info>div {
    background: rgba(255, 255, 255, 0.25);
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.sun-info>div::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.3), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.sun-info>div:hover::before {
    opacity: 1;
}

.sun-info>div:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.35);
}

body.dark-mode .sun-info>div {
    background: var(--card-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

body.dark-mode .sun-info>div:hover {
    background: rgba(78, 159, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.sun-info i {
    font-size: 28px;
    color: #ffc107;
    margin-bottom: 8px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sun-info>div:hover i {
    transform: scale(1.25) rotate(25deg);
    filter: drop-shadow(0 0 10px rgba(255, 193, 7, 0.5));
}

.forecast-container {
    margin-top: 16px;
    display: none;
    animation: fadeIn 0.8s ease-out;
}

.forecast-container h3 {
    margin-top: 0;
    margin-bottom: 18px;
    font-weight: 600;
    letter-spacing: 0.3px;
    font-size: 1.4rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.forecast-container h3::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 50%;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    border-radius: 2px;
}

body.dark-mode .forecast-container h3 {
    color: var(--accent-color);
}

.forecast {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 16px;
    width: 100%;
}

.forecast-item {
    background: var(--card-bg-light);
    padding: 20px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

body.dark-mode .forecast-item {
    background: var(--card-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.forecast-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.forecast-item:hover::before {
    opacity: 1;
}

.forecast-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

body.dark-mode .forecast-item:hover {
    background: rgba(78, 159, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.forecast-item p:first-child {
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 1rem;
}

.forecast-item img {
    width: 55px;
    margin: 6px 0;
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.12));
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.forecast-item:hover img {
    transform: scale(1.15) rotate(12deg);
}

.forecast-item p:nth-child(3) {
    font-weight: 600;
    font-size: 1.1rem;
    margin: 6px 0;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.theme-toggle button {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.theme-toggle button:hover {
    transform: rotate(35deg) scale(1.15);
}

.theme-toggle button i {
    font-size: 1.2rem;
}

.unit-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 6px;
}

.unit-toggle button {
    background: rgba(99, 102, 241, 0.15);
    color: var(--dark-text);
    min-width: 65px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    padding: 12px 16px;
    font-weight: 600;
}

body.dark-mode .unit-toggle button {
    color: var(--light-text);
    background: rgba(99, 102, 241, 0.25);
}

.unit-toggle button.active {
    background-image: linear-gradient(135deg, var(--primary-color) 10%, var(--secondary-color) 100%);
    color: var(--light-text);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.3);
}

.search-history {
    text-align: left;
    display: none;
    animation: fadeIn 1s ease-out;
}

.search-history h3 {
    margin-top: 0;
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
    font-size: 1.4rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}
/* 
.search-history h3::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
} */

body.dark-mode .search-history h3 {
    color: var(--accent-color);
}

.search-history ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
    gap: 12px;
}

.search-history li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--card-bg-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.search-history li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.search-history li:hover::before {
    opacity: 1;
}

body.dark-mode .search-history li {
    background: var(--card-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.search-history li:hover {
    background: var(--hover-light);
    transform: translateX(5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    padding-left: 22px;
}

body.dark-mode .search-history li:hover {
    background: var(--hover-dark);
}

.search-history .remove-btn {
    background: rgba(255, 0, 0, 0.1);
    color: #ff3b3b;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 18px;
    line-height: 1;
    opacity: 0.75;
    transition: var(--transition);
}

.search-history .remove-btn:hover {
    background: rgba(255, 0, 0, 0.18);
    color: #ff0000;
    opacity: 1;
    transform: rotate(90deg);
}

/* Preloader styles - FIXED */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff, #c8a6ff,#abafff, #c8a6ff, #ffffff);
    background-size: 400% 400%;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: gradientBG 2s ease infinite;
    transition: opacity 0.6s ease-out;
}

body.dark-mode .preloader {
    background: linear-gradient(135deg,#00092f,#1b0c53, #322248,#252652, #1b0c53, #322248);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 400% 400%;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: gradientBG 4s ease infinite;
    transition: opacity 0.6s ease-out;
}

body.preloader-loaded .preloader {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    animation: scaleUp 0.5s ease-out;
}

.preloader-content h1 {
    margin-bottom: 41%;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.25));
    /* animation: pulse 2s infinite ease-in-out; */
    /* margin: 0; */
    font-weight: 700;
    font-size: 4.5rem;
    background: linear-gradient(135deg,  #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px rgba(0, 110, 255, 0.15);
    position: relative;
}
body.dark-mode .preloader-content h1 {
    margin-bottom: 41%;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.25));
    /* animation: pulse 2s infinite ease-in-out; */
    /* margin: 0; */
    font-weight: 700;
    font-size: 4.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px rgba(0, 110, 255, 0.15);
    position: relative;
}

@keyframes scaleUp {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.preloader-logo {
    width: 100px;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.25));
    animation: pulse 2s infinite ease-in-out;
}

.preloader-spinner {
    display: flex;
    position: relative;
    width: 64px;
    height: 64px;
}

.preloader-spinner div {
    position: absolute;
    width: 64px;
    height: 64px;
    border: 6px solid #000000;
    border-radius: 50%;
    animation: preloader-spinner 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color:  #4f46e5 transparent transparent transparent;
}

body.dark-mode .preloader-spinner div {
    position: absolute;
    width: 64px;
    height: 64px;
    border: 6px solid #fff;
    border-radius: 50%;
    animation: preloader-spinner 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: #fff transparent transparent transparent;
}

.preloader-spinner div:nth-child(1) {
    animation-delay: -0.45s;
}

.preloader-spinner div:nth-child(2) {
    animation-delay: -0.3s;
}

.preloader-spinner div:nth-child(3) {
    animation-delay: -0.15s;
}

@keyframes preloader-spinner {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.preloader-text {
    color: linear-gradient(135deg,  #4f46e5, #7c3aed);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    animation: fadeInOut 1.5s infinite ease-in-out;
}

body.dark-mode .preloader-text {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    animation: fadeInOut 1.5s infinite ease-in-out;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* Loader styles */
.loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 5px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    z-index: 1000;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Improve mobile responsiveness */
@media (max-width: 600px) {
    .container {
        padding: 20px;
        margin-top: 10px;
        width: 100%;
    }
    
    .header {
        gap: 8px;
        margin-bottom: 15px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header h3 {
        font-size: 0.9rem;
    }
    
    .search-box {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-box input {
        width: 100%;
        border-radius: var(--border-radius);
        margin-bottom: 5px;
    }
    
    .search-box button {
        width: 100%;
        border-radius: var(--border-radius);
    }
    
    #locationBtn {
        margin-top: 5px;
    }
    
    .weather-info {
        padding: 20px;
    }
    
    .location-info h2 {
        font-size: 1.8rem;
    }
    
    .weather-main .temp {
        font-size: 2.4rem;
    }
    
    .weather-main .desc {
        font-size: 1rem;
    }
    
    .weather-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .metric {
        padding: 12px;
    }
    
    .sun-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .forecast {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .forecast-item {
        padding: 15px 10px;
    }
    
    .theme-toggle {
        top: 10px;
        right: 10px;
    }
    
    .theme-toggle button {
        width: 40px;
        height: 40px;
    }
}

/* Extra small devices */
@media (max-width: 375px) {
    .container {
        padding: 12px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .metric {
        padding: 10px;
    }
    
    .metric i {
        font-size: 18px;
        margin-right: 10px;
    }
    
    .metric-label {
        font-size: 0.75rem;
    }
    
    .metric-value {
        font-size: 0.95rem;
    }
    
    .forecast-container h3, 
    .search-history h3 {
        font-size: 1.2rem;
    }
    
    .search-history li {
        padding: 10px 12px;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}