* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    transition: background 0.5s ease;
}


.weather-app {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.weather-app:hover {
    transform: scale(1.02);
}

.weather-app h1 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: #ffd700;
}


.search {
    display: flex;
    margin-bottom: 20px;
    width: 100%;
}

.search input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: 10px 0 0 10px;
    outline: none;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: background 0.3s ease;
}

.search input::placeholder {
    color: #ccc;
}

.search input:focus {
    background: rgba(255, 255, 255, 0.2);
}

.search button {
    padding: 12px 20px;
    border: none;
    border-radius: 0 10px 10px 0;
    cursor: pointer;
    background: #ff9800;
    color: #000;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease;
}

.search button:hover {
    background: #ffc107;
    transform: scale(1.05);
}


.weather-info {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 15px;
    margin-top: 10px;
    animation: fadeIn 0.5s ease-in-out;
}

.weather-info p, .weather-info h2 {
    margin: 10px 0;
    font-size: 1.1rem;
}


.error {
    color: #ff4d4d;
    margin-top: 15px;
    font-weight: bold;
    animation: shake 0.3s;
}


.hidden {
    display: none;
}


@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}


@media (max-width: 500px) {
    .weather-app {
        padding: 20px;
        width: 90%;
    }
    .weather-app h1 {
        font-size: 1.5rem;
    }
    .search input, .search button {
        font-size: 0.9rem;
        padding: 10px;
    }
    .weather-info p, .weather-info h2 {
        font-size: 1rem;
    }
}


@keyframes shake-btn {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake-btn 0.3s;
}