body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 40px;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    transition: background 0.8s ease;
}
/* Backgrounds */
.sunny { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.rainy { background: linear-gradient(135deg, #203a43, #2c5364); }
.cloudy { background: linear-gradient(135deg, #757f9a, #d7dde8); }
.thunder { background: linear-gradient(135deg, #141e30, #243b55); }
/* Main cart */
.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 800px;
}
h1 { margin-top: 0; color: #1877f2; font-size: 28px; }
h3 { color: #1c1e21; margin-top: 30px; margin-bottom: 15px; border-left: 4px solid #1877f2; padding-left: 10px; }
.time { color: #65676b; font-size: 14px; margin-bottom: 20px; }
.search-form { display: flex; gap: 10px; margin-bottom: 25px; }
input[type="text"] {
    flex: 1;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 16px;
}
button {
    padding: 12px 20px;
    background-color: #1877f2;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
}
button:hover { background-color: #166fe5; }
/* Current weather */
.weather-info p {
    font-size: 16px;
    margin: 10px 0;
    border-bottom: 1px solid #f0f2f5;
    padding-bottom: 8px;
}
/* Errors */
.error {
    color: #e41e3f;
    background: #ffebe9;
    padding: 10px;
    border-radius: 6px;
    font-weight: bold;
}
/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #e4e6eb;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 15px;
}
th, td { padding: 12px; border-bottom: 1px solid #e4e6eb; }
th {
    background-color: #f0f2f5;
    color: #65676b;
    font-weight: 600;
}
tr:hover { background-color: #f9f9fb; }