/* =========================================================
   GOOGLE FONT
========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

/* =========================================================
   ROOT VARIABLES (PURPLE THEME)
========================================================= */
:root {
    /* Purple Palette */
    --purple-900: #1e003a;
    --purple-800: #2e1065;
    --purple-700: #4c1d95;
    --purple-600: #6d28d9;
    --purple-500: #7c3aed;
    --purple-400: #a855f7;
    --purple-300: #c4b5fd;

    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #1e003a, #4c1d95);
    --sunny-gradient: linear-gradient(135deg, #7c3aed, #a855f7);
    --rainy-gradient: linear-gradient(135deg, #1e003a, #312e81);
    --cloudy-gradient: linear-gradient(135deg, #4c1d95, #6d28d9);
    --snowy-gradient: linear-gradient(135deg, #ede9fe, #c4b5fd);
    --night-gradient: linear-gradient(135deg, #020617, #1e003a);

    /* Glass UI */
    --glass-bg: rgba(124, 58, 237, 0.18);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 20px 50px rgba(124, 58, 237, 0.35);

    /* Text */
    --text-primary: #f5f3ff;
    --text-secondary: rgba(245, 243, 255, 0.75);
    --text-accent: #c4b5fd;
}

/* =========================================================
   LIGHT THEME
========================================================= */
[data-theme="light"] {
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(124, 58, 237, 0.2);
    --glass-shadow: 0 15px 40px rgba(124, 58, 237, 0.25);

    --text-primary: #2e1065;
    --text-secondary: #5b21b6;
    --text-accent: #7c3aed;

    background: linear-gradient(135deg, #ede9fe, #f5f3ff);
}

/* =========================================================
   BODY
========================================================= */
body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background: var(--primary-gradient);
    color: var(--text-primary);
    transition: background 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

/* =========================================================
   BACKGROUND CLOUDS
========================================================= */
.weather-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.cloud {
    position: absolute;
    background: rgba(255,255,255,0.8);
    border-radius: 50px;
    opacity: 0.6;
    animation: float 25s linear infinite;
}

.cloud::before,
.cloud::after {
    content: "";
    position: absolute;
    background: rgba(255,255,255,0.8);
    border-radius: 50px;
}

.cloud-1 {
    width: 100px;
    height: 40px;
    top: 20%;
    left: -120px;
}

.cloud-2 {
    width: 80px;
    height: 30px;
    top: 45%;
    left: -100px;
    animation-duration: 30s;
}

@keyframes float {
    from { transform: translateX(0); }
    to { transform: translateX(120vw); }
}

/* =========================================================
   HEADER
========================================================= */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 0, 58, 0.6);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 700;
}

.logo i {
    margin-right: 0.5rem;
    background: var(--sunny-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.8rem;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* =========================================================
   HERO SECTION
========================================================= */
.hero  {
    min-height: 100vh;
    padding-top: 6rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero p {
    max-width: 600px;
    margin: auto;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff, #c4b5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* =========================================================
   SEARCH BAR
========================================================= */
.search-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    padding: 1rem;
    box-shadow: var(--glass-shadow);
    width: 100%;
    max-width: 500px;
}

.search-form {
    display: flex;
    gap: 1rem;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-btn,
.location-btn {
    background: var(--sunny-gradient);
    border: none;
    padding: 0.8rem;
    border-radius: 50%;
    cursor: pointer;
    color: #fff;
    transition: transform 0.3s ease;
}

.search-btn:hover,
.location-btn:hover {
    transform: scale(1.1);
}

/* =========================================================
   WEATHER CARD
========================================================= */
.weather-card {
    margin-top: 3rem;
    padding: 2rem;
    max-width: 420px;
    width: 100%;
    background: rgba(124, 58, 237, 0.22);
    border-radius: 30px;
    box-shadow: 0 30px 70px rgba(124, 58, 237, 0.45);
    text-align: center;
}

.weather-icon {
    font-size: 4rem;
}

.weather-temp {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #c4b5fd, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.weather-city,
.weather-description {
    color: var(--text-secondary);
}

.weather-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.detail-item {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 15px;
}

/* =========================================================
   FORECAST
========================================================= */
.forecast-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: auto;
}

.forecast-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
    gap: 2rem;
}

.forecast-card {
    background: rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.forecast-card:hover {
    transform: translateY(-10px);
}

/* =========================================================
   FOOTER
========================================================= */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(20px);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.social-links a:hover {
    color: var(--text-primary);
}

/* =========================================================
   UTILITIES
========================================================= */
.hidden {
    display: none !important;
}